Ess. Chap 3, Pharm Chap 29

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  • 1/63 Questions

    HIV is primarily transmitted through sexual contact and through contaminated blood and blood products

    • True
    • False
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Immunology Quizzes & Trivia
About This Quiz

This quiz titled 'Ess. Chap 3, Pharm Chap 29' assesses knowledge on immunocompetence, types of immunity, immunoglobulins, autoimmune diseases, and blood-related conditions. It is designed for learners to understand immune system functions and related health disorders.

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  • 2. 

    Autoimmune diseases occur when autoantibodies develop and begin to destroy the bodys own cells

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Autoimmune diseases occur when the immune system mistakenly produces autoantibodies that attack and destroy the body's own cells. This happens because the immune system fails to recognize the body's own cells as "self" and instead identifies them as foreign invaders. As a result, the immune system launches an attack, leading to inflammation and damage to various organs and tissues. This can result in a wide range of autoimmune diseases, such as rheumatoid arthritis, lupus, and multiple sclerosis.

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  • 3. 

    Opportunistic infections can emerge as a result of deficiencies of the immune system

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Opportunistic infections are infections caused by organisms that typically do not cause disease in individuals with a healthy immune system. When the immune system is compromised or weakened, such as in cases of immune deficiencies, these organisms can take advantage of the opportunity to cause infections. Therefore, it is true that opportunistic infections can emerge as a result of deficiencies of the immune system.

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  • 4. 

    Side effects of nonsteroidal antiinflammatory drugs (NSAIDs) include GI ulceration and bleeding, blood dyscrasias, tinnitus, rash, hypersensitivity reactions and liver toxicity

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true. Nonsteroidal anti-inflammatory drugs (NSAIDs) can indeed cause various side effects including gastrointestinal (GI) ulceration and bleeding, blood dyscrasias, tinnitus, rash, hypersensitivity reactions, and liver toxicity. These medications, commonly used for pain relief and reducing inflammation, can irritate the lining of the stomach and increase the risk of ulcers and bleeding. Additionally, NSAIDs can affect blood clotting and cause blood dyscrasias. Other potential side effects include tinnitus (ringing in the ears), rash, allergic reactions, and liver toxicity.

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  • 5. 

    Prevention measures for HIV infection relate directly to avoiding risk factors such as hugging, touching, and handshaking

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is false because prevention measures for HIV infection do not relate directly to avoiding risk factors such as hugging, touching, and handshaking. HIV is mainly transmitted through unprotected sexual contact, sharing needles, and mother-to-child transmission during childbirth or breastfeeding. Hugging, touching, and handshaking do not pose a significant risk for HIV transmission unless there is direct contact with infected blood, semen, vaginal fluids, or breast milk. Effective prevention measures for HIV include practicing safe sex, using clean needles, getting tested regularly, and taking pre-exposure prophylaxis (PrEP) for high-risk individuals.

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  • 6. 

    Injections of vitamin B12, which must be continued for life, are the primary treatment for pernicious anemia

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Injections of vitamin B12 are indeed the primary treatment for pernicious anemia. Pernicious anemia is a condition where the body is unable to absorb enough vitamin B12 from the diet. This can lead to a deficiency of vitamin B12, which is essential for the production of healthy red blood cells. Since the body cannot absorb enough vitamin B12 through oral supplements or dietary sources, injections are necessary to bypass the absorption problem and ensure that the body receives an adequate supply of vitamin B12. These injections need to be continued for life to manage the condition effectively.

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  • 7. 

    Tolerance to self antigens is believed to commence during fetal life

    • True

    • False

    Correct Answer
    A. True
    Explanation
    During fetal life, the immune system starts to develop and learn to recognize and tolerate the body's own antigens, which are known as self antigens. This process is crucial to prevent the immune system from attacking and damaging the body's own tissues. Therefore, it is believed that tolerance to self antigens begins during fetal life.

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  • 8. 

    All patients with HIV will develop full blown AIDS

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Not all patients with HIV will develop full-blown AIDS. HIV is a virus that weakens the immune system, but with proper medical care and treatment, many individuals with HIV can live long and healthy lives without progressing to AIDS. The progression to AIDS depends on various factors such as the individual's overall health, access to healthcare, adherence to treatment, and lifestyle choices. Therefore, it is incorrect to assume that all patients with HIV will develop full-blown AIDS.

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  • 9. 

    Antineoplastic drugs are most likely to be toxic to which of the following

    • Oldest cells

    • Smallest cells

    • Most rapidly dividing healthy tissues

    • Tissues with no cell walls

    Correct Answer
    A. Most rapidly dividing healthy tissues
    Explanation
    Antineoplastic drugs are designed to specifically target and kill rapidly dividing cells, which includes both cancer cells and certain healthy cells. Since cancer cells divide rapidly, they are more susceptible to the toxic effects of these drugs. However, there are also some healthy tissues in the body that naturally have a high rate of cell division, such as the bone marrow and the lining of the gastrointestinal tract. Therefore, these tissues are also likely to be affected by the toxicity of antineoplastic drugs.

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  • 10. 

    The primary treatment of rheumatoid arthritis is

    • Reduction of inflammation and pain

    • Preservation of joint function

    • Prevention of joint deformity

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The primary treatment of rheumatoid arthritis includes reducing inflammation and pain, preserving joint function, and preventing joint deformity. This comprehensive approach aims to alleviate symptoms, maintain mobility, and prevent long-term damage to the joints. By addressing these three aspects, patients can experience improved quality of life and better disease management.

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  • 11. 

    Teriparatide(Forteo), a medication used to treat osteoporosis, is derived from which source

    • The ornamental yew tree, Taxus brevifolia

    • Recombinant DNA of human parathyroid hormone

    • The rosy periwinkle in madagascar

    • Chemically synthesized minerals

    Correct Answer
    A. Recombinant DNA of human parathyroid hormone
    Explanation
    Teriparatide (Forteo) is derived from recombinant DNA of human parathyroid hormone. This means that the medication is produced by inserting the gene for human parathyroid hormone into a host organism, such as bacteria or yeast, which then produces the hormone. This method allows for large-scale production of the hormone, ensuring a consistent and reliable supply for treating osteoporosis.

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  • 12. 

    Symptoms of fever, joint pain, malaise, weight loss, and the characteristic butterfly rash are indications of

    • Systemic lupus erythematosus

    • Scleroderma

    • Rheumatoid arthritis

    • Sjogrens syndrome

    Correct Answer
    A. Systemic lupus erythematosus
    Explanation
    The symptoms mentioned, such as fever, joint pain, malaise, weight loss, and the characteristic butterfly rash, are commonly associated with systemic lupus erythematosus. This autoimmune disease affects multiple organs and tissues in the body, causing inflammation and a range of symptoms. Scleroderma primarily affects the skin and connective tissues, while rheumatoid arthritis primarily affects the joints. Sjogren's syndrome primarily affects the salivary glands and tear ducts. Therefore, systemic lupus erythematosus is the most likely explanation based on the given symptoms.

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  • 13. 

    The patient receiving chemotherapy should be instructed in which of the following regimens for oral hygiene

    • Vigorous tooth brushing and mouth washing

    • Frequent, gentle cleansing of the mouth

    • Frequent flossing and brushing

    • Frequent servings of acidic foods and juices

    Correct Answer
    A. Frequent, gentle cleansing of the mouth
    Explanation
    Chemotherapy can cause various side effects, including oral complications such as mucositis and infection. Therefore, the patient receiving chemotherapy should be instructed to practice frequent, gentle cleansing of the mouth. This helps to maintain oral hygiene without causing further irritation or damage to the sensitive oral tissues. Vigorous tooth brushing and mouth washing may be too harsh and can exacerbate the oral complications. Flossing and brushing alone may not be sufficient to address the specific oral issues caused by chemotherapy. Consuming acidic foods and juices can further irritate the mouth and should be avoided.

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  • 14. 

    Hypothyroidism tends to occur in geographic regions that are deficient in which of the following

    • Sunlight

    • Fluoride

    • Iodine

    • Calcium

    Correct Answer
    A. Iodine
    Explanation
    Hypothyroidism is a condition characterized by an underactive thyroid gland, which leads to a decrease in the production of thyroid hormones. Iodine is an essential mineral required for the synthesis of thyroid hormones. Therefore, a deficiency of iodine in the diet can lead to hypothyroidism. Certain geographic regions may have low iodine levels in the soil and water, resulting in a higher prevalence of iodine deficiency and subsequently hypothyroidism in the population residing in those areas.

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  • 15. 

    The disease that begins with inflammation and edema of the synovial membranes surrounding the joint is

    • Systemic lupus erythematosus

    • Scleroderma

    • Rheumatoid arthritis

    • Sjogrens syndrome

    Correct Answer
    A. Rheumatoid arthritis
    Explanation
    Rheumatoid arthritis is a chronic autoimmune disease that primarily affects the joints. It is characterized by inflammation and swelling of the synovial membranes surrounding the joints, leading to pain, stiffness, and eventually joint deformity. Unlike other options, systemic lupus erythematosus, scleroderma, and Sjogren's syndrome, rheumatoid arthritis specifically targets the synovial membranes, causing their inflammation and edema.

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  • 16. 

    A chronic, progressive, systemic autoimmune disease of the skin that is characterized by hardening and shrinking of the skin is

    • Systemic lupus erythematosus

    • Systemic scleroderma

    • Rheumatoid arthritis

    • Multiple sclerosis

    Correct Answer
    A. Systemic scleroderma
    Explanation
    Systemic scleroderma is a chronic, progressive, systemic autoimmune disease of the skin characterized by hardening and shrinking of the skin. This condition affects the connective tissues, causing them to become thick and tight. It can also affect the blood vessels, muscles, and internal organs. Systemic lupus erythematosus, rheumatoid arthritis, and multiple sclerosis are different autoimmune diseases that do not specifically involve the hardening and shrinking of the skin.

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  • 17. 

    Which of the following disorders may occur if the thyroid fails to function properly during the formative years of a childs development

    • Goiter

    • Hashimotos disease

    • Graves disease

    • Cretinism

    Correct Answer
    A. Cretinism
    Explanation
    Cretinism is a disorder that can occur if the thyroid fails to function properly during a child's formative years. It is characterized by severe mental and physical retardation, stunted growth, and developmental delays. This condition is caused by a deficiency of thyroid hormones, which are essential for normal growth and brain development. Without proper thyroid function, the child's body and brain are unable to develop properly, leading to the symptoms of cretinism. Treatment typically involves thyroid hormone replacement therapy to correct the hormonal imbalance and prevent further complications.

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  • 18. 

    The group of diseases that occur when antibodies develop and begin to destroy the bodys own cells is

    • Immunodeficiency diseases

    • Autoimmune diseases

    • Immunocompetent diseases

    • Diseases of the reticuloendothelial system

    Correct Answer
    A. Autoimmune diseases
    Explanation
    Autoimmune diseases occur when the body's immune system mistakenly attacks and destroys its own healthy cells, tissues, and organs. This happens when the immune system cannot distinguish between self and non-self cells, leading to the production of autoantibodies that target the body's own cells. This group of diseases includes conditions like rheumatoid arthritis, lupus, and multiple sclerosis, among others. Immunodeficiency diseases, on the other hand, refer to conditions where the immune system is weakened or not functioning properly, making individuals more susceptible to infections. Immunocompetent diseases and diseases of the reticuloendothelial system are not accurate terms to describe this group of diseases.

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  • 19. 

    A diet that would be recommended for a patient undergoing chemotherapy would include which of the following

    • Low calorie, high saturated fat foods

    • High calorie, low protein foods

    • High fat, low protein foods

    • High protein, low saturated fat foods

    Correct Answer
    A. High protein, low saturated fat foods
    Explanation
    A patient undergoing chemotherapy requires a diet that is high in protein to support the body's healing and recovery process. Protein is essential for repairing damaged tissues and boosting the immune system. Additionally, a diet low in saturated fat is recommended to reduce the risk of inflammation and promote heart health. This combination of high protein and low saturated fat foods helps to provide the necessary nutrients while minimizing potential side effects and promoting overall well-being during chemotherapy treatment.

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  • 20. 

    The inflammatory disease of the CNS that attacks the myelin sheath is

    • Myasthenia gravis

    • Muscular dystrophy

    • Multiple sclerosis

    • None of the above

    Correct Answer
    A. Multiple sclerosis
    Explanation
    Multiple sclerosis is an inflammatory disease that affects the central nervous system (CNS) by attacking the myelin sheath, which is a protective covering around nerve fibers. This leads to disruption in the communication between the brain and the rest of the body, causing various symptoms such as fatigue, muscle weakness, and problems with coordination and balance. Myasthenia gravis and muscular dystrophy are not related to the CNS or the myelin sheath, making them incorrect options. Therefore, the correct answer is multiple sclerosis.

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  • 21. 

    With proper therapy the prognosis for children with juvenile rheumatoid arthritis (JRA) is

    • Generally good

    • Poor

    • Very likely to mean a life time dependence on others for care

    • Total remission in 10% of cases

    Correct Answer
    A. Generally good
    Explanation
    Children with juvenile rheumatoid arthritis (JRA) have a generally good prognosis with proper therapy. This means that with the right treatment, the outlook for these children is positive. It suggests that they have a good chance of managing their condition and leading a relatively normal life. While JRA can be a chronic condition, it does not necessarily mean that the child will be dependent on others for care or experience total remission. However, it is important to note that individual cases may vary and the prognosis can be influenced by various factors.

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  • 22. 

    A history of repeated, chronic infections, which includes sinopulmonary symptoms (e.g. sinus tenderness, cough, fever, runny nose, abnormal sputum, dyspnea) along with gastrointestinal (GI) symptoms (diarrhea, abdominal pain, weight loss) is usually indicative of

    • Ankylosing spondylitis

    • Polymyositis

    • Common variable immunodeficiency disease (CVID)

    • DiGeorge anomaly

    Correct Answer
    A. Common variable immunodeficiency disease (CVID)
    Explanation
    A history of repeated, chronic infections along with sinopulmonary and gastrointestinal symptoms is usually indicative of common variable immunodeficiency disease (CVID). CVID is a primary immunodeficiency disorder characterized by a defect in the immune system's ability to produce antibodies. This leads to a higher susceptibility to infections, particularly in the respiratory and gastrointestinal tracts. The symptoms mentioned, such as sinus tenderness, cough, fever, runny nose, abnormal sputum, diarrhea, abdominal pain, and weight loss, are commonly seen in individuals with CVID. Ankylosing spondylitis and polymyositis are not associated with these specific symptoms, and DiGeorge anomaly typically presents with cardiac, thymic, and parathyroid abnormalities rather than the mentioned symptoms.

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  • 23. 

    Which of the following may accompany the use of hormone replacement therapy for women in menopause

    • Urogenital dryness and osteoporosis

    • Breast cancer and cardiovascular complications

    • Decreased blood glucose and hot flashes

    • Insomnia and mood swings

    Correct Answer
    A. Breast cancer and cardiovascular complications
    Explanation
    Hormone replacement therapy (HRT) for women in menopause may be accompanied by an increased risk of breast cancer and cardiovascular complications. HRT involves the use of hormones to replace those that the body no longer produces after menopause. However, studies have shown that long-term use of HRT can increase the risk of breast cancer and cardiovascular issues such as heart attacks and strokes. It is important for women considering HRT to weigh the potential benefits against these risks and discuss them with their healthcare provider.

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  • 24. 

    Interferon is an example of what category of antineoplastic agents

    • Monoamine oxidase inhibitor agents

    • Immunomodulating agents

    • Antitumor antibiotic agents

    • Inhibitors of pituitary hormones

    Correct Answer
    A. Immunomodulating agents
    Explanation
    Interferon is classified as an immunomodulating agent. Immunomodulating agents are substances that modify or regulate the immune system. Interferon stimulates the immune system to fight against cancer cells and viruses. It helps in enhancing the body's natural defense mechanisms and inhibiting the growth of tumors. Therefore, interferon is an example of an immunomodulating agent rather than a monoamine oxidase inhibitor, antitumor antibiotic, or inhibitor of pituitary hormones.

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  • 25. 

    Autoimmune disease occur only in the blood and lymphatic systems

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The statement is false. Autoimmune diseases can affect various organs and systems in the body, not just the blood and lymphatic systems. These diseases occur when the immune system mistakenly attacks and damages healthy cells, tissues, or organs. Examples of autoimmune diseases include rheumatoid arthritis, lupus, multiple sclerosis, and type 1 diabetes. These conditions can affect different parts of the body such as joints, skin, brain, pancreas, and more. Therefore, autoimmune diseases are not limited to the blood and lymphatic systems.

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  • 26. 

    Which of the following may help the chemotherapy patient cope with the nausea and vomiting that often accompany intravenous infusion treatment

    • Reduced intake of food before treatment

    • Sedation and or antiemetic medication before treatment

    • Increased amount of foods high in fat and calories

    • Vigorous exercise and stretching before treatment

    Correct Answer
    A. Sedation and or antiemetic medication before treatment
    Explanation
    Sedation and antiemetic medication before treatment may help the chemotherapy patient cope with the nausea and vomiting that often accompany intravenous infusion treatment. Sedation can help relax the patient and reduce anxiety, while antiemetic medication can help prevent or alleviate nausea and vomiting. This combination of measures can improve the patient's comfort and overall well-being during the treatment process.

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  • 27. 

    The most common form of immunodeficiency is

    • X-linked agammaglobulinemia

    • Severe combined immunodeficiency disease

    • Selective immunoglobulin A deficiency disease

    • Common variable immunodeficiency disease

    Correct Answer
    A. Selective immunoglobulin A deficiency disease
    Explanation
    Selective immunoglobulin A deficiency disease is the most common form of immunodeficiency. This condition is characterized by a lack of immunoglobulin A (IgA) antibodies in the body, which are important for fighting off infections. Individuals with this deficiency are more susceptible to respiratory, gastrointestinal, and other infections. X-linked agammaglobulinemia, severe combined immunodeficiency disease, and common variable immunodeficiency disease are also forms of immunodeficiency, but they are less common than selective immunoglobulin A deficiency disease.

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  • 28. 

    There are no cures for connective tissue diseases, and treatment is only palliative

    • True

    • False

    Correct Answer
    A. True
    Explanation
    This statement is true because connective tissue diseases, such as rheumatoid arthritis and lupus, cannot be cured. These diseases are chronic and typically require lifelong management. Treatment focuses on relieving symptoms, reducing inflammation, and preventing complications. While medication and lifestyle changes can help manage symptoms and slow down disease progression, there is currently no known cure for these conditions. Therefore, treatment for connective tissue diseases is primarily aimed at providing palliative care to improve quality of life and alleviate symptoms.

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  • 29. 

    The goal of insulin pump therapy is to do which of the following

    • Deliver a continuous amount of insulin into the bloodstream to maintain a steady blood glucose level

    • Deliver boluses of insulin on demand to meet the bodys need

    • Deliver both basal doses and boluses to simulate normal beta cell function

    • Deliver bolus doses of insulin when activated by the patient

    Correct Answer
    A. Deliver both basal doses and boluses to simulate normal beta cell function
    Explanation
    Insulin pump therapy aims to deliver both basal doses and boluses to simulate normal beta cell function. Basal doses provide a continuous amount of insulin into the bloodstream to maintain a steady blood glucose level, while bolus doses are delivered on demand to meet the body's immediate insulin needs. This combination of basal and bolus doses mimics the function of beta cells in the pancreas, which release insulin continuously and in response to meals. By delivering both types of doses, insulin pump therapy helps to regulate blood glucose levels more effectively.

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  • 30. 

    A patient asks the doctor to prescribe epoetin (procrit) for her tiredness related to having cancer. She has seen an advertisement on television promising her that this will increase her energy level. what must be explained to the patient about this medication?

    • It is for the treatment of chronic anemia and will not result in increased energy related to other causes

    • It should not be taken by patients with malignancies because of risk of toxic side effects

    • It can be taken on a as needed basis when fatigue becomes a problem related to excess activity

    • It is indicated only for patients in renal failure

    Correct Answer
    A. It is for the treatment of chronic anemia and will not result in increased energy related to other causes
    Explanation
    The correct answer explains that epoetin (Procrit) is used to treat chronic anemia and will not increase energy levels related to other causes. This means that taking the medication will not directly address the patient's tiredness caused by cancer. It is important for the patient to understand that the medication is specifically indicated for chronic anemia and may not provide the desired energy boost.

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  • 31. 

    When the immune system reacts appropriately to an antigen and homeostasis is maintained it is termed

    • Autoimmunity

    • Immunocompetence

    • Allergy

    • None of the above

    Correct Answer
    A. Immunocompetence
    Explanation
    Immunocompetence refers to the ability of the immune system to respond appropriately to antigens while maintaining homeostasis. This means that the immune system is functioning correctly and is able to distinguish between self and non-self antigens, mounting an immune response only when necessary. Autoimmunity, on the other hand, refers to a condition where the immune system mistakenly attacks its own healthy cells and tissues. Allergy is a hypersensitivity reaction to a harmless substance, causing an immune response. Therefore, immunocompetence is the correct answer as it describes the appropriate functioning of the immune system.

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  • 32. 

    The acquired immunity that results when a person has a disease is

    • Active

    • Passive

    • Attenuated

    • All of the above

    Correct Answer
    A. Active
    Explanation
    When a person acquires a disease, their immune system responds by producing specific antibodies to fight off the infection. This immune response is known as active immunity because it is actively generated by the person's own immune system. It involves the production of memory cells that can recognize and respond to the same pathogen in the future, providing long-term protection. Passive immunity, on the other hand, is when pre-formed antibodies are transferred from another source, such as through maternal antibodies or through medical interventions like antibody injections. Attenuated refers to weakened or modified forms of pathogens used in vaccines to stimulate an immune response. Therefore, the correct answer is active immunity.

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  • 33. 

    Acute lymphocytic leukemia of childhood had been noted to go into remission as a result of treatment with which of the following

    • Mineralocorticoid agents

    • Corticosteroid agents

    • Androgen agents

    • Glucocorticoid agents

    Correct Answer
    A. Corticosteroid agents
    Explanation
    Corticosteroid agents have been noted to induce remission in acute lymphocytic leukemia of childhood. These agents are a type of steroid that have anti-inflammatory and immunosuppressive properties. They work by suppressing the growth of cancer cells and reducing inflammation in the body. Studies have shown that corticosteroid agents, such as prednisone and dexamethasone, can effectively induce remission in children with acute lymphocytic leukemia, making them an important component of the treatment regimen for this disease.

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  • 34. 

    During treatment with doxorubicin (Adriamycin) the patient should be monitored for which of the following because of the possibility of serious side effects

    • Alterations in orientation and mental status

    • Electrocardiogram changes

    • Changes in body weight

    • Decrease in urinary output

    Correct Answer
    A. Electrocardiogram changes
    Explanation
    During treatment with doxorubicin (Adriamycin), the patient should be monitored for electrocardiogram changes because doxorubicin can cause cardiotoxicity. This drug has the potential to damage the heart muscle and affect the electrical conduction system of the heart, leading to abnormal electrocardiogram readings. Monitoring for these changes is essential to detect any potential cardiac side effects early on and take appropriate measures to prevent serious complications.

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  • 35. 

    A child in the emergency room with multiple brusing of unknown cause and thrombocytopenia may be exhibiting signs

    • Multiple sclerosis

    • Idiopathic thrombocytopenic purpura

    • Pernicious anemia

    • Selective immunoglobulin A deficiency

    Correct Answer
    A. Idiopathic thrombocytopenic purpura
    Explanation
    A child in the emergency room with multiple bruising of unknown cause and thrombocytopenia may be exhibiting signs of idiopathic thrombocytopenic purpura. Idiopathic thrombocytopenic purpura is a condition characterized by a low platelet count, which can lead to easy bruising and bleeding. It is considered idiopathic because the cause is unknown. In this case, the child's symptoms of multiple bruising and thrombocytopenia align with the characteristics of idiopathic thrombocytopenic purpura.

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  • 36. 

    Because of the drugs action to suppress the bodys inflammatory response, patients on long term adrenocorticoid agents are at risk for the unrecognized advance of which of the following

    • Tuberculosis or perforated ulcers

    • Hypoglycemia or depression

    • Insomnia or lymphedema

    • Cancer or emphysema

    Correct Answer
    A. Tuberculosis or perforated ulcers
    Explanation
    Long-term use of adrenocorticoid agents, such as corticosteroids, can suppress the body's inflammatory response. This suppression weakens the immune system and increases the risk of infections like tuberculosis. Additionally, corticosteroids can also impair the healing of ulcers in the gastrointestinal tract, making them more likely to perforate. Therefore, patients on long-term adrenocorticoid agents are at risk for the unrecognized advance of tuberculosis or perforated ulcers.

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  • 37. 

    Which of the following might be used topically for the treatment of actinic keratoses

    • Mercaptopurine (purinol)

    • Fluorouracil (5-FU)

    • Methotrexate (amethopterin)

    • Chlorambucil (leukeran)

    Correct Answer
    A. Fluorouracil (5-FU)
    Explanation
    Fluorouracil (5-FU) is a topical medication that is commonly used for the treatment of actinic keratoses. Actinic keratoses are pre-cancerous skin lesions caused by long-term sun exposure. 5-FU works by inhibiting the growth of abnormal skin cells, leading to their death. It is applied directly to the affected area and is effective in removing actinic keratoses. Mercaptopurine, methotrexate, and chlorambucil are not typically used topically for the treatment of actinic keratoses.

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  • 38. 

    Because of their selective estrogen-agonist properties, selective estrogen receptor modulated aromatase inhibitors (SERMs) can be used to:

    • Suppress ovulation and therefore provide contraception

    • Prevent or treat malignancies of lung, kidney, or liver tissue

    • Prevent or treat disease caused by estrogen deficiency

    • Reverse amenorrhea and reestablish a regular menstrual cycle

    Correct Answer
    A. Prevent or treat disease caused by estrogen deficiency
    Explanation
    Selective estrogen receptor modulated aromatase inhibitors (SERMs) can be used to prevent or treat disease caused by estrogen deficiency. SERMs are compounds that selectively bind to estrogen receptors, acting as estrogen agonists in some tissues and estrogen antagonists in others. By modulating the activity of estrogen receptors, SERMs can help to restore the balance of estrogen in the body, which is beneficial in conditions where estrogen deficiency is the underlying cause of the disease. Therefore, SERMs can be used to prevent or treat diseases that are caused by a lack of estrogen.

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  • 39. 

    ___________ is a systemic, usually progressive inflammatory disease primarily affecting the spinal column

    • Scleroderma

    • Wiskott-aldrich syndrome

    • Polymocytis

    • Ankylosing spondylitis

    Correct Answer
    A. Ankylosing spondylitis
    Explanation
    Ankylosing spondylitis is a systemic, usually progressive inflammatory disease primarily affecting the spinal column. It is characterized by inflammation of the joints in the spine, leading to pain and stiffness. The inflammation can also affect other parts of the body, such as the hips, shoulders, and knees. Over time, the inflammation can cause the vertebrae in the spine to fuse together, resulting in a loss of flexibility and mobility. Ankylosing spondylitis is typically a chronic condition that requires ongoing management and treatment.

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  • 40. 

    A malignancy arising from epithelial cells is known as

    • Sarcoma

    • Tumor

    • Metastasis

    • Carcinoma

    Correct Answer
    A. Carcinoma
    Explanation
    A malignancy arising from epithelial cells is known as carcinoma. Carcinomas are a type of cancer that originates in the epithelial tissues, which are the cells that line the surfaces and cavities of the body. This type of cancer can occur in various organs, such as the lungs, breast, colon, and skin. Carcinomas are characterized by the abnormal growth and division of epithelial cells, which can invade nearby tissues and potentially spread to other parts of the body.

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  • 41. 

    An autoimmune condition in which erythrocytes are destroyed by antibodies causing the patient to experience fatigue, chills, fever, dyspnea, and jaundice is

    • Pernicious anemia

    • Autoimmune hemolytic anemia

    • Idiopathic thrombocytopenic purpura

    • None of the above

    Correct Answer
    A. Autoimmune hemolytic anemia
    Explanation
    Autoimmune hemolytic anemia is the correct answer because it is a condition in which erythrocytes (red blood cells) are destroyed by antibodies produced by the patient's own immune system. This destruction of red blood cells leads to symptoms such as fatigue, chills, fever, dyspnea (shortness of breath), and jaundice. Pernicious anemia is a different condition caused by vitamin B12 deficiency, and idiopathic thrombocytopenic purpura is a condition characterized by low platelet count, not red blood cell destruction. Therefore, the correct answer is autoimmune hemolytic anemia.

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  • 42. 

    What is dactinomycin (Actinomycin D) used to treat

    • Adolescent acne

    • Sexually transmitted diseases

    • Wilms tumor

    • Metastatic breast cancer

    Correct Answer
    A. Wilms tumor
    Explanation
    Dactinomycin, also known as Actinomycin D, is a medication used to treat Wilms tumor. Wilms tumor is a type of kidney cancer that primarily affects children. Dactinomycin works by inhibiting the growth of cancer cells, specifically targeting the DNA and RNA synthesis processes. It is often used in combination with other treatments such as surgery and radiation therapy to effectively manage Wilms tumor.

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  • 43. 

    Which of the following enzymes, derived from Escherichia coli, is used in the treatment of acute lymphocytic leukemia

    • Topotecan (hycamtin)

    • Asparaginase (elspar)

    • Imatinib(gleevec)

    • Irinotecan (camptosar)

    Correct Answer
    A. Asparaginase (elspar)
    Explanation
    Asparaginase (Elspar) is derived from Escherichia coli and is used in the treatment of acute lymphocytic leukemia. This enzyme works by depleting the levels of asparagine in the body, which is necessary for the growth and survival of leukemia cells. By depriving the leukemia cells of asparagine, asparaginase helps to inhibit their growth and induce cell death. It is a commonly used chemotherapy agent in the treatment of acute lymphocytic leukemia.

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  • 44. 

    Which of the following is necessary for oral hypoglycemic agents to be effective in managing diabetes

    • Complete lack of insulin

    • Complete normal function of the pancreas

    • Insulin resistance

    • Release of residual insulin by the pancreas

    Correct Answer
    A. Release of residual insulin by the pancreas
    Explanation
    For oral hypoglycemic agents to be effective in managing diabetes, it is necessary for the pancreas to release residual insulin. This means that there is still some amount of insulin being produced by the pancreas, even if it is not enough to regulate blood sugar levels on its own. The oral hypoglycemic agents can then work to enhance the effects of this residual insulin, helping to lower blood sugar levels and manage diabetes. Insulin resistance, complete lack of insulin, and complete normal function of the pancreas are not necessary for the effectiveness of oral hypoglycemic agents in managing diabetes.

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  • 45. 

    Regulating hormones that affect all the other endocrine glands in the body are secreted in which of the following locations

    • Medulla

    • Posterior lobe of the pituitary

    • Anterior lobe of the pituitary

    • Thymus

    Correct Answer
    A. Anterior lobe of the pituitary
    Explanation
    The anterior lobe of the pituitary gland is responsible for secreting hormones that regulate the function of other endocrine glands in the body. These hormones include growth hormone, thyroid-stimulating hormone, adrenocorticotropic hormone, follicle-stimulating hormone, luteinizing hormone, and prolactin. These hormones play a crucial role in maintaining the balance of various bodily functions, such as growth, metabolism, reproduction, and milk production. Therefore, the anterior lobe of the pituitary gland is the correct location where hormones that affect all the other endocrine glands are secreted.

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  • 46. 

    Which of these antineoplastic drugs might be administered orally, intramuscularly, intravenously, or as an intracavitary infusion

    • Cyclophosphamide (cytoxan)

    • Cytarabine (ara-C, Cytosar)

    • Fluorouracil (5-FU)

    • Doxorubicin hydrochloride (adriamycin)

    Correct Answer
    A. Cyclophosphamide (cytoxan)
    Explanation
    Cyclophosphamide (Cytoxan) can be administered orally, intramuscularly, intravenously, or as an intracavitary infusion. This means that it can be taken by mouth, injected into the muscle, injected into a vein, or infused directly into a body cavity. The different methods of administration provide flexibility in how the drug is delivered, allowing for different treatment options based on the patient's needs and the specific condition being treated.

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  • 47. 

    T-cell lymphocytes are produced in the

    • Bone marrow

    • Spleen

    • Thymus gland

    • Blood

    Correct Answer
    A. Thymus gland
    Explanation
    T-cell lymphocytes are a type of white blood cells that play a crucial role in the immune system. They are responsible for recognizing and destroying infected or abnormal cells in the body. The thymus gland is the primary site where T-cells mature and develop their ability to recognize specific antigens. Therefore, T-cell lymphocytes are produced in the thymus gland. The bone marrow is responsible for producing other types of blood cells, such as red blood cells and some types of white blood cells, but not T-cell lymphocytes specifically. The spleen and blood do not have a direct role in the production of T-cell lymphocytes.

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  • 48. 

    Which of the following are used to suppress the thyroid gland before surgery

    • Methimazole and propylthiouracil

    • Cortisone and hydrocortisone

    • Synthetic thyroid preparations

    • Prednisone and triamcinolone

    Correct Answer
    A. Methimazole and propylthiouracil
    Explanation
    Methimazole and propylthiouracil are used to suppress the thyroid gland before surgery. These medications are antithyroid drugs that work by inhibiting the production of thyroid hormones. By reducing the levels of thyroid hormones in the body, these drugs help to control hyperthyroidism and prepare the patient for surgery. Cortisone, hydrocortisone, synthetic thyroid preparations, prednisone, and triamcinolone are not used for suppressing the thyroid gland before surgery, making them incorrect options.

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  • 49. 

    The patient with a platelet deficiency and the inability of blood to clot has

    • Autoimmune hemolytic anemia

    • Pernicious anemia

    • Idiopathic thrombocytopenic anemia

    • None of the above

    Correct Answer
    A. Idiopathic thrombocytopenic anemia
    Explanation
    The correct answer is idiopathic thrombocytopenic anemia. This condition is characterized by a low platelet count, leading to an inability of blood to clot properly. Autoimmune hemolytic anemia is a condition where the immune system destroys red blood cells, while pernicious anemia is caused by a deficiency in vitamin B12. Neither of these conditions directly affects platelet count or clotting ability.

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  • Jul 30, 2023
    Quiz Edited by
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  • Sep 20, 2010
    Quiz Created by
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