Question 1

A transplant recipient's body rejects a transplanted organ because her ______ does not match that of the donor closely enough.

Accepted Answer

A)   major histocompatibility complex
B)   mononuclear phagocytic system
C)   cytokine profile
D)   antibody response

Question 2

The foreign or "non-self" substances that trigger immune responses are called ______.

Accepted Answer

The answer of The foreign or "non-self" substances that trigger...

Question 3

The spleen

Accepted Answer

A)   consists of two lobes in the mediastinum.
B)   resembles a large lymph node divided into lobules.
C)   produces T lymphocytes.
D)   produces B lymphocytes.

Question 4

Systemic lupus erythematosus is an autoimmune disease that affects the skeletal muscles only.

Accepted Answer

A) True 
 B)False

Question 5

The type of resistance that is acquired as a result of developing a disease is

Accepted Answer

A)   naturally acquired active immunity.
B)   artificially acquired active immunity.
C)   artificially acquired passive immunity.
D)   naturally acquired passive immunity.

Question 6

Two mechanical barriers to infection are interferon and inflammation.

Accepted Answer

A) True 
 B)False

Question 7

The cells that are primarily responsible for immunity are

Accepted Answer

A)   lymphocytes and macrophages.
B)   neutrophils and lymphocytes.
C)   monocytes and macrophages.
D)   lymphocytes and monocytes.

Question 8

Lymphatic capillaries are thin-walled, closed-ended tubes.

Accepted Answer

A) True 
 B)False

Question 9

The two collecting ducts that drain the lymphatic trunks are the

Accepted Answer

A)   thoracic duct and right lymphatic duct.
B)   lumbar duct and left lymphatic duct.
C)   intestinal duct and left intercostal duct.
D)   bronchomediastinal duct and subclavian duct.

Question 10

An immunoglobulin molecule is an antigen secreted by T lymphocytes.

Accepted Answer

A) True 
 B)False

Question 11

Innate defenses include mechanical and chemical barriers, whereas adaptive defenses counter specific disease-causing agents.

Accepted Answer

A) True 
 B)False

Question 12

The supratrochlear lymph nodes are located near the

Accepted Answer

A)   hand.
B)   wrist.
C)   elbow.
D)   axillary region.

Question 13

The lymph nodes of the axillary region receive lymph mainly from the

Accepted Answer

A)   scalp and face.
B)   upper limb and mammary gland.
C)   thoracic viscera.
D)   abdominal viscera.

Question 14

______ are masses of partially encapsulated lymphatic nodules in the pharynx.

Accepted Answer

The answer of ______ are masses of partially encapsulated lymphatic...

Question 15

The thymus is in the mediastinum behind the sternum.

Accepted Answer

A) True 
 B)False

Question 16

The formation of lymph increases as a result of

Accepted Answer

A)   increasing osmotic pressure in blood capillaries.
B)   increasing hydrostatic pressure in tissue fluid.
C)   decreasing volume of tissue fluid.
D)   decreasing protein concentration in tissue fluid.

Question 17

Which of the following is not a mechanical barrier against microorganisms?

Accepted Answer

A)   Saliva
B)   Urine
C)   Tears
D)   Diarrhea

Question 18

A substance that can stimulate a primary immune response but is unable to produce the symptoms of a disease is a(n) ______.

Accepted Answer

The answer of A substance that can stimulate a primary...

Question 19

The order in which HIV breaches barriers and affects immunity is

Accepted Answer

A)   inhalation, entering the circulation, entering helper T cells.
B)   ingestion, entering the circulation, entering helper T cells.
C)   crossing the mucosal barrier, then entering macrophages, then B cells, then natural killer cells.
D)   crossing the mucosal barrier, then entering macrophages, then entering helper T cells, then cytotoxic T cells.

Question 20

Cells in a lymph node that engulf and destroy damaged cells, foreign substances, and cellular debris are

Accepted Answer

A)   macrophages.
B)   lymphocytes.
C)   mast cells.
D)   cytokines.

Exam 16: Lymphatic System and Immunity

The thymus is in the mediastinum behind the sternum.

Correct AnswerverifiedShow Answer

The order in which HIV breaches barriers and affects immunity is

Correct AnswerverifiedShow Answer

______ are masses of partially encapsulated lymphatic nodules in the pharynx.

Correct AnswerverifiedShow Answer

The foreign or "non-self" substances that trigger immune responses are called ______.

Correct AnswerverifiedShow Answer

The cells that are primarily responsible for immunity are

Correct AnswerverifiedShow Answer

An immunoglobulin molecule is an antigen secreted by T lymphocytes.

Correct AnswerverifiedShow Answer

Systemic lupus erythematosus is an autoimmune disease that affects the skeletal muscles only.

Correct AnswerverifiedShow Answer

Which of the following is not a mechanical barrier against microorganisms?

Correct AnswerverifiedShow Answer

The two collecting ducts that drain the lymphatic trunks are the

Correct AnswerverifiedShow Answer

The formation of lymph increases as a result of

Correct AnswerverifiedShow Answer

Innate defenses include mechanical and chemical barriers, whereas adaptive defenses counter specific disease-causing agents.

Correct AnswerverifiedShow Answer

The lymph nodes of the axillary region receive lymph mainly from the

Correct AnswerverifiedShow Answer

The spleen

Correct AnswerverifiedShow Answer

A transplant recipient's body rejects a transplanted organ because her ______ does not match that of the donor closely enough.

Correct AnswerverifiedShow Answer

Two mechanical barriers to infection are interferon and inflammation.

Correct AnswerverifiedShow Answer

The supratrochlear lymph nodes are located near the

Correct AnswerverifiedShow Answer

Lymphatic capillaries are thin-walled, closed-ended tubes.

Correct AnswerverifiedShow Answer

A substance that can stimulate a primary immune response but is unable to produce the symptoms of a disease is a(n) ______.

Correct AnswerverifiedShow Answer

The type of resistance that is acquired as a result of developing a disease is

Correct AnswerverifiedShow Answer

Cells in a lymph node that engulf and destroy damaged cells, foreign substances, and cellular debris are

Correct AnswerverifiedShow Answer

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