Question 1

Explain the roles and interactions of each of the following in immunity: B lymphocytes,antibodies,immunoglobulins,T lymphocytes,MHC,HLA.

Accepted Answer

The immune system consists of two main c

Question 2

Tom has just been exposed to the measles virus,and he can't remember if he has had measles before.He asks you if there is any way he can tell if he has been previously exposed or if he is going to get sick.What would you tell him? Why won't he get sick from a second infection?

Accepted Answer

If Tom has previously had the measles,th

Question 3

Passive immunity is a type of ________ immunity.

Accepted Answer

A)  acquired 
B)  innate 
A)  acquired 
B)  innate

Question 4

Autoimmune diseases are an example of a(n)________ response by the immune system.

Accepted Answer

A)  lack of 
B)  overactive 
C)  incorrect 
D)  None of the answers are correct. 
A)  lack of 
B)  overactive 
C)  incorrect 
D)  None of the answers are correct.

Question 5

Match the type of immunity to its description.
-Infected cells are killed by perforin and granzymes.

Accepted Answer

A) specific 
B) nonspecific 
A) specific 
B) nonspecific

Question 6

Match the cell type with its description.
-Estimated to reach populations of one trillion in normal adults,most of these cells reside in the lymphoid tissues of the body.These cells look quite similar to one another under the microscope,yet function very differently.

Accepted Answer

A) lymphocytes 
B) neutrophils 
C) monocytes 
D) eosinophils 
E) basophils 
A) lymphocytes 
B) neutrophils 
C) monocytes 
D) eosinophils 
E) basophils

Question 7

A sample of tissue from an injury shows a large number of basophils.This would indicate that the tissue was

Accepted Answer

A)  abscessed. 
B)  inflamed. 
C)  being rejected. 
D)  infected by viruses. 
E)  infected by multicellular parasites. 
A)  abscessed. 
B)  inflamed. 
C)  being rejected. 
D)  infected by viruses. 
E)  infected by multicellular parasites.

Question 8

Stem cells that will form T lymphocytes are modified in the

Accepted Answer

A)  bone marrow. 
B)  liver. 
C)  spleen. 
D)  thymus. 
E)  kidneys. 
A)  bone marrow. 
B)  liver. 
C)  spleen. 
D)  thymus. 
E)  kidneys.

Question 9

Meghan thinks she has an abscessed tooth.If she does,what type of white blood cell would you expect to see in elevated numbers in a differential count?

Accepted Answer

A)  neutrophils 
B)  eosinophils 
C)  basophils 
D)  lymphocytes 
E)  monocytes 
A)  neutrophils 
B)  eosinophils 
C)  basophils 
D)  lymphocytes 
E)  monocytes

Question 10

Susan's doctor has detected benign uterine fibroid tumors.Jane's doctor has detected early-stage malignant vaginal tumors.Sarah's doctor has detected late-stage malignant ovarian tumors.Which branch of the immune system would respond to these conditions? What would analysis of the nearby lymph nodes of these women reveal? What is the prognosis for each woman? Explain.

Accepted Answer

(Note to instructor: Students must under

Question 11

Leslie has a bad sore throat and the lymph nodes in her neck are swollen.This indicates

Accepted Answer

A)  the focus of the infection is the lymph nodes. 
B)  lymph is not flowing through these lymph nodes. 
C)  the affected lymph nodes contain an increased number of lymphocytes. 
D)  the lymph gland has increased its secretion of thymosin. 
A)  the focus of the infection is the lymph nodes. 
B)  lymph is not flowing through these lymph nodes. 
C)  the affected lymph nodes contain an increased number of lymphocytes. 
D)  the lymph gland has increased its secretion of thymosin.

Question 12

________ is the immunoglobulin class that comprises 75% of antibodies in adult blood.

Accepted Answer

A)  IgA 
B)  IgD 
C)  IgE 
D)  IgG 
E)  IgM 
A)  IgA 
B)  IgD 
C)  IgE 
D)  IgG 
E)  IgM

Question 13

Explain the role of experience in the immune system.Given the importance of experience,is a person's immune response determined by the genes or the environment? Explain.

Accepted Answer

Fetal development of the immune system i

Question 14

All of the following are characteristics of acquired immunity EXCEPT

Accepted Answer

A)  cell-mediated immunity. 
B)  nonspecific immunity. 
C)  humoral immunity. 
D)  adaptive immunity. 
A)  cell-mediated immunity. 
B)  nonspecific immunity. 
C)  humoral immunity. 
D)  adaptive immunity.

Question 15

A patient has elevated eosinophils and monocytes but normal levels of neutrophils,basophils,and lymphocytes.Which of the following could be causing those levels?

Accepted Answer

A)  an acute bacterial infection 
B)  a chronic bacterial infection 
C)  a viral infection 
D)  a chronic parasitic infection 
E)  a severe allergic reaction 
A)  an acute bacterial infection 
B)  a chronic bacterial infection 
C)  a viral infection 
D)  a chronic parasitic infection 
E)  a severe allergic reaction

Question 16

The human immunodeficiency virus (HIV)that causes the disease known as AIDS selectively infects

Accepted Answer

A)  B cells. 
B)  plasma cells. 
C)  cytotoxic T cells. 
D)  helper T cells. 
E)  suppressor T cells. 
A)  B cells. 
B)  plasma cells. 
C)  cytotoxic T cells. 
D)  helper T cells. 
E)  suppressor T cells.

Question 17

________ are antibodies found in body fluids.

Accepted Answer

The answer of ________ are antibodies found in body fluids....

Question 18

Shannon just finished finals and is heading home for winter break,excited for all the Holiday activities her family has planned.It was a really stressful week and she just wants to get home to her family and friends.The day after finals Shannon wakes up feeling very sick with a cold,sore throat and upset stomach,probably the flu.Her father says the stress from finals probably caught up with her and she just needs to rest.What do you think? Is Shannon's father right? Could stress have caused her to get sick? If not,why not? If so,what mechanisms were at play?

Accepted Answer

It is possible that stress can be part o

Question 19

Class II MHC molecules are found

Accepted Answer

A)  on all cells with a nucleus. 
B)  only on red blood cells. 
C)  only on granulocytes and macrophages. 
D)  only on lymphocytes and macrophages. 
E)  only on liver cells and macrophages in the spleen. 
A)  on all cells with a nucleus. 
B)  only on red blood cells. 
C)  only on granulocytes and macrophages. 
D)  only on lymphocytes and macrophages. 
E)  only on liver cells and macrophages in the spleen.

Question 20

Match the cell type with its description.
-Precursors of macrophages,these cells are relatively rare in blood because they are actually in transit to some other site.

Accepted Answer

A) lymphocytes 
B) neutrophils 
C) monocytes 
D) eosinophils 
E) basophils 
A) lymphocytes 
B) neutrophils 
C) monocytes 
D) eosinophils 
E) basophils

Exam 24: The Immune System

Explain the roles and interactions of each of the following in immunity: B lymphocytes,antibodies,immunoglobulins,T lymphocytes,MHC,HLA.

Tom has just been exposed to the measles virus,and he can't remember if he has had measles before.He asks you if there is any way he can tell if he has been previously exposed or if he is going to get sick.What would you tell him? Why won't he get sick from a second infection?

Passive immunity is a type of ________ immunity.

Autoimmune diseases are an example of a(n)________ response by the immune system.

Match the type of immunity to its description. -Infected cells are killed by perforin and granzymes.

Match the cell type with its description. -Estimated to reach populations of one trillion in normal adults,most of these cells reside in the lymphoid tissues of the body.These cells look quite similar to one another under the microscope,yet function very differently.

A sample of tissue from an injury shows a large number of basophils.This would indicate that the tissue was

Stem cells that will form T lymphocytes are modified in the

Meghan thinks she has an abscessed tooth.If she does,what type of white blood cell would you expect to see in elevated numbers in a differential count?

Leslie has a bad sore throat and the lymph nodes in her neck are swollen.This indicates

________ is the immunoglobulin class that comprises 75% of antibodies in adult blood.

Explain the role of experience in the immune system.Given the importance of experience,is a person's immune response determined by the genes or the environment? Explain.

All of the following are characteristics of acquired immunity EXCEPT

A patient has elevated eosinophils and monocytes but normal levels of neutrophils,basophils,and lymphocytes.Which of the following could be causing those levels?

The human immunodeficiency virus (HIV)that causes the disease known as AIDS selectively infects

________ are antibodies found in body fluids.

Class II MHC molecules are found

Match the cell type with its description. -Precursors of macrophages,these cells are relatively rare in blood because they are actually in transit to some other site.

Introduction to Physiology

Molecular Interactions

Compartmentation: Cells and Tissues

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Sensory Physiology

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

Endocrine Control of Growth and Metabolism

Integrative Physiology III: Exercise

Reproduction and Development

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