All About Body Immune System Quiz
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Embark on a journey into the intricacies of your body's defense mechanism with our "All About Body Immune System" Quiz. This quiz is your passport to understanding the fascinating world of immunity, covering topics from the immune response to the role of antibodies. Test your knowledge on the organs and cells that make up this incredible defense system and discover how it safeguards your health. Whether you're a science enthusiast or simply curious about the inner workings of your body, this quiz offers a fun and informative exploration into the remarkable realm of the immune system. Challenge yourself with questions Read morethat unravel the mysteries of immunity, and gain a deeper appreciation for the incredible safeguards that keep you healthy.
- 1.
Leukocytes are
- A.
White blood cells
- B.
Red blood cells
- C.
Platelets
- D.
Capillaries
Correct Answer
A. White blood cellsExplanation
Leukocytes, also known as white blood cells, are a crucial component of the immune system. They play a vital role in defending the body against infections and diseases by identifying and destroying pathogens. Unlike red blood cells, which are responsible for carrying oxygen, leukocytes are primarily involved in the body's defense mechanisms. Platelets are responsible for blood clotting, while capillaries are tiny blood vessels that connect arteries and veins. Therefore, the correct answer is white blood cells.Rate this question:
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- 2.
A function of lymph nodes is to
- A.
Secrete thymosin
- B.
Serve as a holding station for red blood cells
- C.
Cleanse lymph of foreign debris
- D.
All of these
Correct Answer
C. Cleanse lymph of foreign debrisExplanation
Lymph nodes are an important part of the lymphatic system, which helps to maintain fluid balance and protect the body from infections. One of the main functions of lymph nodes is to cleanse the lymph of foreign debris, such as bacteria, viruses, and other harmful substances. Lymph nodes contain specialized cells that filter the lymph and remove any foreign particles or pathogens present in it. This helps to prevent the spread of infections and maintain the overall health of the body. Therefore, the correct answer is that lymph nodes cleanse lymph of foreign debris.Rate this question:
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- 3.
Which of the following performs specific immune responses?
- A.
Phagocytosis
- B.
T-cells and B-cells
- C.
Granulocytes
- D.
Macrophages
Correct Answer
B. T-cells and B-cellsExplanation
T-cells and B-cells perform specific immune responses. These cells are part of the adaptive immune system and play a crucial role in recognizing and targeting specific pathogens or antigens. T-cells are responsible for cell-mediated immunity, while B-cells produce antibodies that can neutralize or eliminate pathogens. Together, they coordinate immune responses and provide long-term immunity against specific infections. Phagocytosis, granulocytes, and macrophages are all components of the innate immune system and are involved in nonspecific immune responses.Rate this question:
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- 4.
Nonspecific immune system response
- A.
Provides the first line of defense against foreign substances in the body
- B.
Occurs in a nonspecific order
- C.
Has the ability to create a type of memory that confers immunity
- D.
Protects against specific immune responses that threaten the body
Correct Answer
A. Provides the first line of defense against foreign substances in the bodyExplanation
The nonspecific immune system response is the initial defense mechanism of the body against foreign substances. It acts as the first line of defense, providing immediate protection. This response occurs in a nonspecific order, meaning it does not target specific pathogens but rather works to eliminate any potential threats. Additionally, the nonspecific immune system response has the ability to create a type of memory that confers immunity, allowing the body to recognize and respond more effectively to future encounters with the same pathogen. It is not specifically designed to protect against specific immune responses that threaten the body.Rate this question:
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- 5.
Allergic reactions are
- A.
A result of digestive system dysfunction
- B.
An abnormal immune system reaction to a foreign substance
- C.
Caused by viruses
- D.
More common in people whose immune systems are not fully functional at birth
Correct Answer
B. An abnormal immune system reaction to a foreign substanceExplanation
Allergic reactions occur when the immune system overreacts to a foreign substance, such as pollen or certain foods. This abnormal immune system reaction leads to the release of histamines and other chemicals, causing symptoms like itching, swelling, and difficulty breathing. Digestive system dysfunction, viruses, and immune system deficiencies can contribute to various health issues, but they are not the primary cause of allergic reactions.Rate this question:
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- 6.
Enhancing immune system function would be useful in the treatment of
- A.
Allergies
- B.
Organ transplant patients
- C.
AIDS
- D.
Cardiovascular disease
Correct Answer
C. AIDSExplanation
Enhancing immune system function would be useful in the treatment of AIDS because AIDS is a condition caused by the Human Immunodeficiency Virus (HIV), which weakens the immune system. By enhancing the immune system, the body would be better equipped to fight off infections and diseases associated with AIDS. This could potentially slow down the progression of the disease and improve the overall health and well-being of individuals with AIDS.Rate this question:
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- 7.
Ader & Cohen demonstrated that
- A.
The immune system could be conditioned
- B.
The immune system was independent of the nervous system
- C.
The adrenomedullary response was indepedent of the adrenocortical response
- D.
Allostasis does not apply to the General Adaptation Syndrome
Correct Answer
A. The immune system could be conditionedExplanation
Ader & Cohen demonstrated that the immune system could be conditioned. This means that the immune system can be trained or influenced through conditioning techniques, similar to how other physiological responses can be conditioned. This finding suggests that the immune system is not solely controlled by genetic factors, but can also be influenced by external factors and learning processes.Rate this question:
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- 8.
Research concerning stress and the immune system has found that
- A.
Following exam stress, students have more competent immune systems
- B.
Exams negatively affected students' immune systems
- C.
Dental students experienced lowered levels of immune system functioning after exams, but medical students did not
- D.
There is no consistent relationship between exam stress and immune system functionint
Correct Answer
B. Exams negatively affected students' immune systemsExplanation
The research suggests that exams have a negative impact on students' immune systems. This means that the stress caused by exams can weaken the functioning of the immune system. This finding is supported by the observation that dental students, who likely experience high levels of stress during exams, had lowered immune system functioning compared to medical students. Therefore, it can be concluded that exams can have a detrimental effect on the immune system.Rate this question:
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- 9.
One route through which stress may affect the immune system is through
- A.
Lowered epinephrine levels
- B.
Elevated cortisol levels
- C.
Reverse peristalsis
- D.
Any of these
Correct Answer
B. Elevated cortisol levelsExplanation
Stress can affect the immune system by causing elevated levels of cortisol. Cortisol is a hormone released by the body in response to stress, and it plays a role in regulating the immune system. When cortisol levels are high for prolonged periods of time, it can suppress the immune system, making a person more susceptible to infections and illnesses. Therefore, elevated cortisol levels can be one route through which stress impacts the immune system.Rate this question:
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- 10.
The chemical messengers that are produced by the immune system and signal the nervous system are
- A.
Proinflammatory cytokines
- B.
Neurotransmitters
- C.
Endorphins
- D.
Endocrine glands
Correct Answer
A. Proinflammatory cytokinesExplanation
Proinflammatory cytokines are chemical messengers produced by the immune system that signal the nervous system. These cytokines play a crucial role in initiating and regulating the inflammatory response, which is a key component of the immune system's defense against pathogens and tissue damage. They help to recruit immune cells to the site of infection or injury and promote inflammation. By signaling the nervous system, proinflammatory cytokines can also contribute to symptoms such as fever and pain, which are often associated with inflammation. Therefore, proinflammatory cytokines are the correct answer as they fit the description of chemical messengers produced by the immune system and signaling the nervous system.Rate this question:
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- 11.
With regard to stress and illness, which of these statements is true?
- A.
Stress is a better predictor of heart disease than it is of hypertension
- B.
Most people at risk from stressful experiences will not develop a disease
- C.
Stress is a better predictor of heart disease than cigarette smoking
- D.
Both a & c are correct
Correct Answer
B. Most people at risk from stressful experiences will not develop a diseaseExplanation
Most people at risk from stressful experiences will not develop a disease. This statement suggests that although stress can increase the risk of developing a disease, it does not guarantee that everyone who experiences stress will actually develop a disease. This implies that other factors, such as genetic predisposition or individual resilience, may play a role in determining whether or not someone develops an illness as a result of stress.Rate this question:
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- 12.
The diathesis-stress model hypothesizes that
- A.
Stress is most likely to produce illness in a healthy person
- B.
Stress and psychological functioning interact to produce better health
- C.
Some people are more inherently vulnerable to the effects of stress
- D.
Some people learn to cope with stress but not with stressful life events
Correct Answer
C. Some people are more inherently vulnerable to the effects of stressExplanation
The correct answer suggests that the diathesis-stress model hypothesizes that some individuals are more naturally susceptible to the negative impacts of stress. This means that certain people may be more prone to experiencing negative physical or psychological effects when faced with stressful situations compared to others. The model suggests that these individuals have an inherent vulnerability that makes them more susceptible to the harmful effects of stress.Rate this question:
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- 13.
A study of 6 yr. old children found that those who suffered chronic headache also exhibited sensitivity to pain. Some of these children also had stressful environments and unhappy family lives. A situation in which an early stressful life combines with sensitivity to pain to produce headaches suggests some evidence for the ___ model.
- A.
Diathesis-stress
- B.
Transtheoretical
- C.
Self-efficacy
- D.
Hardiness
Correct Answer
A. Diathesis-stressExplanation
The given information states that children who suffered chronic headaches also exhibited sensitivity to pain, and some of them had stressful environments and unhappy family lives. This suggests that a combination of early stressful life and sensitivity to pain leads to headaches. This aligns with the diathesis-stress model, which posits that individuals have a predisposition (diathesis) to develop certain disorders or conditions when exposed to stressful life events (stress). Therefore, the evidence presented supports the diathesis-stress model as the most appropriate explanation.Rate this question:
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- 14.
When Sheldon Cohen and his colleagues intentionally exposed healthy volunteers to common cold viruses, they found that their previous level of stress was
- A.
Unrelated to subsequent number of colds
- B.
Related in a dose-response manner to subsequent number of colds
- C.
Positively related to subsequent number but not in a dose-response manner
- D.
Inversely related to subsequent number of colds
Correct Answer
B. Related in a dose-response manner to subsequent number of coldsExplanation
The correct answer is related in a dose-response manner to subsequent number of colds. This means that the level of stress experienced by the volunteers had a direct impact on the number of colds they developed. As the level of stress increased, the number of colds also increased in a proportional manner. This suggests that there is a causal relationship between stress and susceptibility to cold viruses.Rate this question:
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- 15.
Research on the effects of stress on HIV infection demonstrated that stress affects
- A.
The severity but not the progression of HIV
- B.
The progression but not the severity of HIV
- C.
Neither the progression nor the severity of HIV
- D.
Both the severity and the progression of HIV
Correct Answer
D. Both the severity and the progression of HIVExplanation
Research has shown that stress can have an impact on both the severity and progression of HIV infection. Stress can weaken the immune system, making individuals more susceptible to infections and increasing the severity of HIV symptoms. Additionally, stress can also affect the progression of HIV by increasing viral replication and reducing the effectiveness of antiretroviral therapy. Therefore, stress management and support are important aspects of HIV treatment and care.Rate this question:
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- 16.
Evidence is strongest for the hypothesis that
- A.
There is little relationship between stress and heart disease
- B.
Stressful experiences increase the risk of heart attack
- C.
Stressful experiences can buffer people against cardiovascular disease
- D.
Most heart attacks among middle-aged men are related to marital stress
Correct Answer
B. Stressful experiences increase the risk of heart attackExplanation
The evidence is strongest for the hypothesis that stressful experiences increase the risk of heart attack. This means that there is substantial research and data supporting the idea that when individuals go through stressful experiences, their chances of having a heart attack are higher.Rate this question:
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- 17.
A large international study of risk factors for heart attack showed that
- A.
Stress was a risk for women but not for men
- B.
Several types of stress were related to increased risk for heart attack
- C.
Workplace stress was the only type of stress that predicted heart attack
- D.
Several demographic factors were related to heart attack but no psychosocial factors
Correct Answer
B. Several types of stress were related to increased risk for heart attackExplanation
The correct answer suggests that the study found a relationship between various types of stress and an increased risk for heart attack. This implies that stress, regardless of its source, can be a contributing factor to heart attacks. The answer does not mention any gender-specific differences or specific types of stress that predict heart attacks, indicating that the study's findings were more generalized. Additionally, the answer contradicts the statement that only workplace stress predicted heart attacks, indicating that multiple types of stress were found to be related to increased risk.Rate this question:
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- 18.
Which of the following is a primary function of the body's immune system?
- A.
Digesting food
- B.
Transporting oxygen in the bloodstream
- C.
Defending against infections and pathogens
- D.
Regulating body temperature
Correct Answer
C. Defending against infections and pathogensExplanation
Defending against infections and pathogens: This is the correct answer. The primary function of the body's immune system is to defend against infections, pathogens (such as bacteria and viruses), and other foreign invaders. It does so by identifying and neutralizing these threats to maintain the body's health.Rate this question:
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- 19.
Stress probably plays some role in
- A.
Type 1 diabetes
- B.
Type 2 diabetes
- C.
Both type 1 and type 2 diabetes
- D.
Neither type 1 or type 2 diabetes
Correct Answer
C. Both type 1 and type 2 diabetesExplanation
Stress can contribute to the development and management of both type 1 and type 2 diabetes. In type 1 diabetes, stress can increase the body's demand for insulin and affect blood sugar levels. In type 2 diabetes, stress can lead to insulin resistance and worsen blood sugar control. Additionally, stress can also affect lifestyle factors such as diet and exercise, which are important for managing both types of diabetes. Therefore, stress plays a role in both type 1 and type 2 diabetes.Rate this question:
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- 20.
Women who experience heavy stress during pregnancy are somewhat more likely to give birth to
- A.
Overweight babies
- B.
Premature babies
- C.
Underweight babies
- D.
Both premature and underweight babies
Correct Answer
D. Both premature and underweight babiesExplanation
Research has shown that heavy stress during pregnancy can have adverse effects on the health of the baby. It can lead to both premature birth and low birth weight. Stress can affect the mother's hormones and blood flow to the placenta, which can impact the baby's growth and development. Premature babies are born before completing the full term, while underweight babies have a birth weight below the normal range. Therefore, it is plausible that heavy stress during pregnancy can result in both premature and underweight babies.Rate this question:
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- 21.
The connection between the immune system and asthma may occur through
- A.
The stress that comes from treatment for the disorder
- B.
Inflammation
- C.
Triggers such as smoke or dust
- D.
The ethnic background of the person with the disease
Correct Answer
B. InflammationExplanation
Inflammation is the correct answer because it is a key factor in the connection between the immune system and asthma. Asthma is characterized by chronic inflammation of the airways, which leads to symptoms such as wheezing, coughing, and shortness of breath. The immune system plays a role in this inflammation by releasing various inflammatory mediators in response to triggers such as allergens or irritants. This immune response can cause the airways to become inflamed and narrowed, making it difficult for air to flow in and out of the lungs. Therefore, understanding and managing inflammation is crucial in treating and preventing asthma attacks.Rate this question:
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- 22.
People with a negative outlook and a tendency to ruminate over problems
- A.
Are less likely than others to complain about being sick
- B.
Are at higher risk for depression than those with a most positive attitude
- C.
Express more satisfaction with life than do other people
- D.
All of these
Correct Answer
B. Are at higher risk for depression than those with a most positive attitudeExplanation
People with a negative outlook and a tendency to ruminate over problems are at higher risk for depression than those with a most positive attitude. This is because negativity and rumination can contribute to the development and maintenance of depressive symptoms. Individuals who constantly focus on negative thoughts and dwell on their problems are more likely to experience feelings of sadness, hopelessness, and a lack of motivation, which are characteristic symptoms of depression. In contrast, individuals with a positive attitude are more likely to have better mental health and overall life satisfaction.Rate this question:
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- 23.
Austin suffers from recurrent intrusive memories of his expeirences as a fire fighter at the time of the World Trade Center attacks. He also has unpleasant dreams that replay some of these experiences. Austin is most likely suffering from
- A.
Clinical depression
- B.
Schizophrenia
- C.
Posttraumatic stress disorder
- D.
Transcendent psychosis
Correct Answer
C. Posttraumatic stress disorderExplanation
Austin's recurrent intrusive memories and unpleasant dreams of his experiences as a firefighter at the time of the World Trade Center attacks indicate that he is experiencing symptoms of posttraumatic stress disorder (PTSD). PTSD is a mental health condition that can develop after a person has witnessed or experienced a traumatic event. Symptoms of PTSD can include intrusive memories, nightmares, and flashbacks related to the traumatic event. Therefore, based on the given information, it is most likely that Austin is suffering from posttraumatic stress disorder.Rate this question:
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- 24.
Evidence regarding the effects of stress on depression indicates that
- A.
Stress seems to be a necessary condition for depression
- B.
Stress is a sufficient condition for depression
- C.
Stress is involved in more than half of all depressive episodes
- D.
Vulnerability and coping ability mediate teh effects of stress on depression
Correct Answer
D. Vulnerability and coping ability mediate teh effects of stress on depressionExplanation
The correct answer is "vulnerability and coping ability mediate the effects of stress on depression." This means that while stress is involved in the development of depression, it is not the sole cause. Instead, a person's vulnerability and coping ability play a role in how stress affects their mental health. This suggests that individuals who are more vulnerable or have poor coping skills may be more likely to develop depression when faced with stress, while those who are more resilient may be better able to manage stress and avoid depression.Rate this question:
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- 25.
The relationship betwen stress and physical disease
- A.
Is complex and indirect
- B.
Is strong for diseases such as cancer but not for chronici diseases
- C.
Is strong for chronic conditions such as high cholesterol but not for acute, infectious diseases
- D.
Depends on both number and severity of life events
Correct Answer
A. Is complex and indirectExplanation
The relationship between stress and physical disease is complex and indirect because it is not a straightforward cause-and-effect relationship. Stress can affect the body in various ways, such as weakening the immune system or leading to unhealthy coping mechanisms like smoking or overeating, which can increase the risk of developing certain diseases. However, the impact of stress on physical health can also be influenced by factors such as genetics, lifestyle, and individual resilience. Therefore, the relationship between stress and physical disease is not always clear-cut and can vary depending on the specific disease and individual circumstances.Rate this question:
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Current Version
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Dec 28, 2023Quiz Edited by
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Oct 10, 2012Quiz Created by
Clarkjm
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