2.
_____________ are often produced in large numbers in people with parasitic infections?
Explanation
Parasitic infections often trigger an immune response in the body, leading to an increase in the production of eosinophils. Eosinophils are a type of white blood cell that play a crucial role in combating parasitic infections. They are responsible for releasing toxic substances that can kill parasites and help in the removal of parasite-infected cells. Therefore, the presence of a large number of eosinophils in the blood is indicative of a parasitic infection.
3.
________ has an important role in some types of allergic reactions?
Explanation
Basophils are a type of white blood cell that play a crucial role in allergic reactions. When an allergen enters the body, basophils release histamine, a chemical that triggers an inflammatory response. This response leads to symptoms such as itching, redness, and swelling. Basophils also release other chemicals that attract other immune cells to the site of the allergic reaction. Overall, basophils are an essential component of the immune system's response to allergies.
4.
The human adult has how many WBC?
Explanation
The average adult human has a normal white blood cell count ranging from 4,000 to 11,000 cells per microliter of blood. A count of 7,000 falls within this normal range. White blood cells play a crucial role in the body's immune system, helping to fight off infections and diseases.
5.
Leukocytes are produced and derived from a multipotent cell in the bone marrow called?
Correct Answer
hematopoietic stem cell
Explanation
Leukocytes, also known as white blood cells, are produced and derived from a multipotent cell in the bone marrow called hematopoietic stem cell. These stem cells have the ability to differentiate into various types of blood cells, including leukocytes. This process is essential for maintaining a healthy immune system and fighting off infections.
6.
These are mature cells that can attack and destroy bacteria?
Correct Answer
neutrophils
Explanation
Neutrophils are a type of white blood cell that play a crucial role in the immune response against bacterial infections. They are mature cells that are capable of actively attacking and destroying bacteria through a process called phagocytosis. Neutrophils are highly effective in engulfing and neutralizing bacteria, and they release antimicrobial substances to further eliminate the pathogens. Therefore, neutrophils are the correct answer to the question.
7.
Immature macrophages are called
Correct Answer
Monocytes
Explanation
Monocytes are immature macrophages. Monocytes are a type of white blood cell that circulate in the bloodstream and are involved in the immune response. When they migrate into tissues, they mature into macrophages, which are responsible for engulfing and digesting pathogens and cellular debris. Therefore, monocytes can be considered as immature macrophages.
8.
Once monocytes swell 60 to 0 micrometers that are called _______ and combating intratissue disease agents?
Correct Answer
macrophages
Explanation
When monocytes swell to a size of 60 to 0 micrometers, they are referred to as macrophages. Macrophages play a crucial role in the immune system by engulfing and destroying intratissue disease agents, such as bacteria and viruses. They are responsible for phagocytosis, antigen presentation, and the production of inflammatory mediators. Macrophages are essential for maintaining tissue homeostasis and initiating immune responses against pathogens.
9.
The process of neutophils and monocytes squeezing through pores of the blood cappillaries?
Correct Answer
diapedesis
Explanation
Diapedesis refers to the process of neutrophils and monocytes squeezing through the pores of the blood capillaries. This allows these immune cells to migrate from the bloodstream into the surrounding tissues, where they can effectively combat infections and inflammation. Diapedesis is an essential mechanism for the immune system to respond to tissue damage and infection, as it enables immune cells to reach the site of injury or infection and initiate the immune response.
10.
Both neutophils and macrophages can move through tissues by what process?
Correct Answer
ameboid motion
Explanation
Both neutrophils and macrophages are types of immune cells that can move through tissues by a process called ameboid motion. Ameboid motion is a type of cellular movement where the cells extend protrusions called pseudopodia, which allow them to crawl and change shape. This movement is essential for immune cells to migrate towards sites of infection or inflammation, where they can engulf and destroy pathogens or damaged cells. Ameboid motion is driven by the coordinated actions of the cytoskeleton and molecular motors within the cells.
11.
Is the process of neurophils and macrophages move toward the sources of the chemical?
Correct Answer
chemotaxis
Explanation
Chemotaxis is the process where neutrophils and macrophages move towards the sources of certain chemicals. This movement is guided by chemical gradients, which attract these immune cells towards areas of infection or inflammation. Chemotaxis plays a crucial role in the immune response, allowing neutrophils and macrophages to migrate towards sites of infection, where they can eliminate pathogens and promote tissue healing.
12.
Innate immunity is specific?
Explanation
non- specific
13.
Which of the following included innate immunity?
Correct Answer(s)
A. Phagocytosis
A. Resistance of the skin
A. Presence in the blood of certain chemical compounds
Explanation
The correct answer includes phagocytosis, resistance of the skin, and presence in the blood of certain chemical compounds. Phagocytosis is a process where immune cells engulf and destroy pathogens. The resistance of the skin acts as a physical barrier preventing the entry of pathogens. The presence of certain chemical compounds in the blood, such as antimicrobial peptides, can directly kill or inhibit the growth of pathogens. Specific B cells and T cells are part of adaptive immunity, not innate immunity.
14.
An event causes multiple substances are released by the injured tissues. Whats this called?
Correct Answer(s)
inflammation
Explanation
Inflammation is the correct answer because when tissues are injured, it triggers a response in the body where multiple substances are released. This response is known as inflammation, which is characterized by redness, swelling, heat, and pain at the site of injury. The release of these substances helps to initiate the healing process and protect the body from further damage.
15.
_____________ is a decrease in the number of WBC?
Correct Answer(s)
leukopenia
Explanation
Leukopenia refers to a decrease in the number of white blood cells (WBC) in the body. This condition can be caused by various factors such as viral infections, certain medications, autoimmune disorders, or bone marrow disorders. A lower number of WBCs can weaken the immune system, making individuals more susceptible to infections and diseases. Therefore, leukopenia is the correct answer for the given question.
16.
Cancer of the blood or bone marrow?
Correct Answer(s)
Leukemia
Explanation
Leukemia is a type of cancer that affects the blood or bone marrow. It occurs when the body produces an excessive amount of abnormal white blood cells, which interfere with the production of healthy blood cells. This can lead to symptoms such as fatigue, frequent infections, and easy bleeding or bruising. Leukemia can be classified into different types based on the speed of cell growth and the type of blood cells affected. Treatment options for leukemia include chemotherapy, radiation therapy, and stem cell transplantation.
17.
The innate immunity is a slow respone?
Explanation
Rapid. 0-6 hours
18.
Adaptive immunity is slow initiation, rapid therafter?
Explanation
Adaptive immunity is characterized by a slow initiation phase followed by a rapid response. This is because adaptive immune responses require the recognition and activation of specific immune cells, such as T and B cells, which takes time. Once these cells are activated, they can rapidly proliferate and differentiate into effector cells that can eliminate the pathogen or infected cells. This process allows the adaptive immune system to mount a targeted and specific response to a particular pathogen, but it may take a few days to fully develop. Therefore, the statement that adaptive immunity is slow initiation, rapid thereafter is true.
19.
Innate immunity causes inflammation?
Correct Answer
Yes
Explanation
Innate immunity causes inflammation because it is the body's first line of defense against pathogens and injury. When the immune system detects a threat, it triggers a cascade of events that result in inflammation. This response is essential for recruiting immune cells to the site of infection or injury, promoting tissue repair, and eliminating pathogens. Inflammation is characterized by redness, swelling, heat, and pain, which are all indications of the immune system's active response to protect the body.
20.
Adaptive immunity causes inflammation?
Correct Answer
No
Explanation
Adaptive immunity does not directly cause inflammation. Inflammation is primarily triggered by the innate immune response, which is the first line of defense against pathogens. Adaptive immunity, on the other hand, involves the activation of specific immune cells (such as T and B cells) to target and eliminate specific pathogens. While adaptive immunity can indirectly contribute to inflammation by recruiting immune cells to the site of infection, it is not the primary cause of inflammation.
21.
The type of immunity that develops circulation antibodies, they attack the invading agent?
Correct Answer
Humeral immunity, B cell immunity
Explanation
The correct answer is humoral immunity, B cell immunity. Humoral immunity refers to the immune response that involves the production of antibodies by B cells. These antibodies circulate in the blood and attack the invading agents, such as bacteria or viruses. B cells are a type of white blood cell that play a crucial role in the immune response by producing antibodies specific to the antigens present on the invading agents. This type of immunity is important for defending against extracellular pathogens.
22.
Any substance that causes the immune system to produce antibodies agaist it.
Correct Answer
Antigen
Explanation
An antigen is any substance that triggers an immune response in the body, leading to the production of antibodies. This immune response is the body's way of defending itself against foreign invaders such as bacteria, viruses, or other pathogens. Antigens can also include substances that are not necessarily harmful, such as pollen or certain foods, but still elicit an immune response in some individuals. The production of antibodies helps to neutralize or eliminate the antigen, protecting the body from potential harm.
23.
An antibody is a type of protein (immunoglobulin)?
Explanation
An antibody is indeed a type of protein called immunoglobulin. Antibodies are produced by the immune system in response to the presence of foreign substances, such as bacteria or viruses, in the body. These proteins help to identify and neutralize these foreign substances, thus playing a crucial role in the immune response.
24.
Immuglobulins are composed of a combination of ____ and ____ polypeptide chains?
Correct Answer
heavy, light
Explanation
Immunoglobulins, also known as antibodies, are proteins that play a crucial role in the immune system. They are composed of a combination of heavy and light polypeptide chains. The heavy chains are larger and provide structural stability, while the light chains are smaller and help with antigen recognition and binding. Together, these chains form the Y-shaped structure of immunoglobulins, allowing them to recognize and neutralize specific antigens in the body.
25.
THe constant portion is portion that attaches specifically to a particular type of antigen?
26.
Which type of antibody constitues about 75 percent of the antibodies of the normal person?
Correct Answer
IgG
Explanation
IgG antibodies constitute about 75 percent of the antibodies in a normal person. IgG is the most common type of antibody found in the bloodstream and is responsible for long-term immunity. It plays a crucial role in fighting against bacterial and viral infections. IgG antibodies are also able to cross the placenta, providing protection to a developing fetus.
27.
IgE are involved in allergies?
Explanation
IgE, or immunoglobulin E, is an antibody that plays a key role in allergic reactions. When a person with allergies is exposed to an allergen, such as pollen or pet dander, their immune system produces IgE antibodies specific to that allergen. These IgE antibodies then bind to mast cells and basophils, triggering the release of histamine and other chemicals that cause allergy symptoms like sneezing, itching, and swelling. Therefore, it is true that IgE is involved in allergies.
28.
Helper T cells are ________ positive?
Correct Answer
CD4
Explanation
Helper T cells are CD4 positive. CD4 is a protein found on the surface of these cells. It plays a crucial role in the immune response by recognizing antigens presented by antigen-presenting cells and helping to activate other immune cells. CD4 positive T cells are primarily involved in coordinating the immune response and assisting in the activation of B cells and cytotoxic T cells.
29.
Cytotoxic T cells are ________ positive?
Correct Answer
CD8
Explanation
Cytotoxic T cells are CD8 positive. CD8 is a glycoprotein found on the surface of these cells. It plays a crucial role in the recognition of antigens presented by major histocompatibility complex class I molecules on infected or abnormal cells. CD8 positive T cells are responsible for directly killing these target cells, making them an important component of the immune response against viruses, intracellular bacteria, and cancer cells.
30.
Helper T cells are both humoral and cell mediated immunity?
Explanation
Helper T cells are a type of white blood cell that play a crucial role in the immune response. They are involved in both humoral immunity, which involves the production of antibodies by B cells, and cell-mediated immunity, which involves the activation of cytotoxic T cells to directly attack infected cells. Helper T cells help coordinate and regulate these immune responses by releasing signaling molecules called cytokines. Therefore, it is correct to say that helper T cells are both involved in humoral and cell-mediated immunity.
31.
Cytoxic T cells are capable of killing microorganisms and some of the body's own cells?
Explanation
Part of the mediated immune response.
32.
________ T cells are capable of suppressing the functions of both cytotoxic and helper t cells?
Correct Answer
suppressor
Explanation
Suppressor T cells, also known as regulatory T cells, are a subset of T cells that have the ability to suppress the functions of both cytotoxic and helper T cells. They play a crucial role in maintaining immune homeostasis by preventing excessive immune responses and suppressing autoimmune reactions. By inhibiting the activation and proliferation of other T cells, suppressor T cells help regulate the immune system and prevent immune-mediated damage to the body's own tissues.
33.
_____________ cells are produced by the division of B and T cells. THe second time an intruder tries to invade the body, they help the cells immune system to active much faster.
Correct Answer
Memory
Explanation
Memory cells are produced by the division of B and T cells. These memory cells play a crucial role in the immune system's response to a second invasion by the same intruder. They allow the immune system to activate much faster and mount a more efficient and targeted response, leading to a quicker elimination of the threat.
34.
Antigenic substances inherited are known as?
Correct Answer
agglutinogens
Explanation
Antigenic substances inherited are known as agglutinogens. Agglutinogens are specific molecules or proteins found on the surface of red blood cells that can stimulate the production of antibodies. These antibodies are produced by the immune system in response to the presence of foreign substances in the body. Agglutinogens play a crucial role in determining an individual's blood type and compatibility for blood transfusions.
35.
Anyone who has type D antigen is said to be Rh ________?
Correct Answer
positive
Explanation
Who does ot have type D antigen is said to be Rh negative
36.
Hemolytice disease of the newborn?
Correct Answer
Erythroblastosis Fetails
Explanation
Erythroblastosis Fetalis, also known as Hemolytic Disease of the Newborn, is a condition where a mother's antibodies attack and destroy red blood cells in her fetus. This occurs when the mother and fetus have incompatible blood types, such as when the mother is Rh negative and the fetus is Rh positive. The mother's immune system produces antibodies against the Rh factor, which can cross the placenta and attack the fetus's red blood cells. This can lead to severe anemia and other complications in the newborn. Treatment may involve blood transfusions and other interventions to manage the condition.
37.
a transplant of a tisse or whole organ from one part of the same animal?
Correct Answer
autograft
Explanation
An autograft refers to a transplant of tissue or a whole organ from one part of the same animal. This means that the donor and recipient are the same individual. Autografts are commonly used in medical procedures such as skin grafts or organ transplants, where the tissue or organ is taken from one area of the body and transplanted to another area. Autografts are preferred in many cases because they have a lower risk of rejection compared to transplants from another individual.
38.
From one identical twin to another
Correct Answer
Isograft
Explanation
An isograft refers to a type of graft where tissue or an organ is transferred from one identical twin to another. Since identical twins share the same genetic makeup, there is minimal risk of rejection or immune response, making isografts one of the most successful types of grafts.
39.
From one human being to another or from any animal to another animal of the same species?
Correct Answer
Allograft
Explanation
An allograft refers to the transplantation of an organ, tissue, or cells from one human being to another human being. It can also refer to the transplantation between animals of the same species. In this context, the answer "Allograft" suggests that the transfer is occurring between two individuals of the same species, either humans or animals.
40.
From a lower animal to a human being
Correct Answer
xenograft
Explanation
A xenograft refers to the transplantation of living cells, tissues, or organs from one species to another. In the context of the given statement, "From a lower animal to a human being," a xenograft would involve transplanting cells, tissues, or organs from a lower animal species to a human being. This could be done for various purposes, such as medical research or treatment.
41.
Type 1 antibody? Exogenous? ex. allergic asthma, hay fever
Correct Answer
IgE
Explanation
IgE is a type 1 antibody that is involved in allergic reactions such as allergic asthma and hay fever. It is produced in response to an allergen and binds to mast cells and basophils, triggering the release of inflammatory mediators like histamine. This immune response leads to symptoms like wheezing, itching, and sneezing commonly seen in allergic conditions.
42.
Type II? cell surface antigen, Erythroblastosis fetalis, Goodpasture's nephritis.
Correct Answer
IgG, IgM
Explanation
The presence of IgG and IgM antibodies suggests a Type II hypersensitivity reaction. In Type II hypersensitivity, antibodies bind to antigens on the surface of cells, leading to their destruction or dysfunction. Erythroblastosis fetalis is a condition where maternal antibodies (IgG) attack fetal red blood cells. Goodpasture's nephritis is an autoimmune disease where antibodies (IgG) attack the basement membrane in the kidneys. Both conditions involve the binding of antibodies to cell surface antigens, indicating a Type II hypersensitivity reaction. IgG and IgM are the most commonly involved antibodies in Type II reactions.
43.
Type 3 antigen. soluble antigen. Examples are SLE, farmer's lung disease?
Correct Answer
IgG, IgM
Explanation
The correct answer is IgG, IgM. IgG and IgM are types of antibodies that are involved in the immune response against Type 3 antigens, which are soluble antigens. Examples of diseases caused by Type 3 antigens include systemic lupus erythematosus (SLE) and farmer's lung disease. IgG and IgM play a crucial role in recognizing and neutralizing these antigens, helping to prevent and control the associated diseases.
44.
Type 4 antigen? Tissues and organs. Examples are tuberculin test, poison ivy, and granuloma?
Correct Answer
None
45.
An immunodeficiency, a characterized by the failure of B cell precursors to a mature B cell.
Correct Answer
X linked agammablobulinemia
Explanation
X-linked agammaglobulinemia is a primary immunodeficiency disorder characterized by the failure of B cell precursors to mature into B cells. This results in the absence or very low levels of immunoglobulins, specifically antibodies, in the blood. As a result, individuals with this condition have a weakened immune system and are more susceptible to infections. The condition is inherited in an X-linked recessive manner, meaning it primarily affects males.
46.
The common feature to all patients is hypogammaglobulinemia. Recurrent and chronic infections, chronic swelling of the lymph glads, and enlarge spleen?
Correct Answer
Common variable Immunodeficiency
Explanation
The common feature among all patients is hypogammaglobulinemia, which is a condition characterized by low levels of immunoglobulins (antibodies) in the blood. This leads to recurrent and chronic infections, chronic swelling of the lymph glands, and an enlarged spleen. These symptoms are consistent with common variable immunodeficiency, a primary immunodeficiency disorder where the immune system is unable to produce enough antibodies to fight off infections effectively.
47.
Common immunodeficiency. Affected individuals have extremely low levels of both serum and secretory IgA. Repeated sinopulmonary and gastroinestinal disease.
Correct Answer
Isolated IgA deficiency
Explanation
Isolated IgA deficiency refers to a condition where individuals have extremely low levels of only the immunoglobulin A (IgA) antibody in their serum and secretions. This deficiency can lead to recurrent sinopulmonary and gastrointestinal diseases. The given information matches the characteristics of isolated IgA deficiency, making it the correct answer.
48.
A prototype of a multisystem diseaseof autoimmune origin characterized by bewildering array of autoantibodies. Characterized by injury to skin (butterfly rash), joints, kidney, and serosal membranes.
Correct Answer
SLE
Explanation
Systemic lupus erythmatosus
49.
A chronic inflammatory disease that affects primarily te joints?
Correct Answer
Rheumatoid Arthritis
Explanation
Rheumatoid Arthritis is a chronic inflammatory disease that primarily affects the joints. It is characterized by inflammation, pain, stiffness, and swelling in the joints, particularly the small joints of the hands and feet. The immune system mistakenly attacks the lining of the joints, causing inflammation and damage. Over time, this can lead to joint deformities and loss of function. Treatment for Rheumatoid Arthritis aims to reduce inflammation, relieve symptoms, and prevent joint damage.