Question 1

A primary immune response ______,and a secondary immune response ______.

Accepted Answer

A) is very important;is less important to the body's ability to protect itself 
B) produces antibodies within five to ten days of exposure to antigens;produces antibodies within a day or two of a subsequent exposure to the same antigen 
C) is very rapid in producing antibodies after exposure to antigens;is very slow in producing antibodies after exposure to antigens 
D) occurs only in children;occurs only in adults 
A) is very important;is less important to the body's ability to protect itself 
B) produces antibodies within five to ten days of exposure to antigens;produces antibodies within a day or two of a subsequent exposure to the same antigen 
C) is very rapid in producing antibodies after exposure to antigens;is very slow in producing antibodies after exposure to antigens 
D) occurs only in children;occurs only in adults

Question 2

Lymph nodes are grouped throughout the body except in the

Accepted Answer

A) lungs. 
B) central nervous system. 
C) mesentery. 
D) inguinal connective tissue. 
A) lungs. 
B) central nervous system. 
C) mesentery. 
D) inguinal connective tissue.

Question 3

An injection of synthetic antibodies imparts active immunity.

Accepted Answer

A) True 
 B)False

Question 4

Factors that contribute to the prevalence of peanut allergy in the U.S.include the fact that

Accepted Answer

A) peanut antigens are in infant formulA. 
B) peanuts lack allergens. 
C) peanut allergens are stopped and destroyed in the stomach,causing cramps. 
D) dry roasting activates the responsible allergens. 
A) peanut antigens are in infant formulA. 
B) peanuts lack allergens. 
C) peanut allergens are stopped and destroyed in the stomach,causing cramps. 
D) dry roasting activates the responsible allergens.

Question 5

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

Accepted Answer

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

Question 6

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

Question 7

Drugs used to reduce the tissue rejection reaction following the transplantation of tissue from one person to another

Accepted Answer

A) stimulate the formation of antibodies by the recipient's cells. 
B) reduce the recipient's immune response. 
C) reduce the differences between donor proteins and recipient proteins. 
D) reduce the chance of infection in the recipient. 
A) stimulate the formation of antibodies by the recipient's cells. 
B) reduce the recipient's immune response. 
C) reduce the differences between donor proteins and recipient proteins. 
D) reduce the chance of infection in the recipient.

Question 8

An immune response that is slower but more specific for the pathogen is the

Accepted Answer

A) innate defense. 
B) adaptive defense. 
C) nonspecific defense. 
D) inborn defense. 
A) innate defense. 
B) adaptive defense. 
C) nonspecific defense. 
D) inborn defense.

Question 9

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. 
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 10

Lymph is ______ ______ that has entered a lymphatic capillary.

Accepted Answer

The answer of Lymph is ______ ______ that has entered...

Question 11

Disease-causing agents such as viruses and bacteria are called ______.

Accepted Answer

The answer of Disease-causing agents such as viruses and bacteria...

Question 12

A population of lymphocytes whose members are all alike and are capable of responding to the same specific antigen is called a(n)_______.

Accepted Answer

The answer of A population of lymphocytes whose members are...

Question 13

In active immunity,a person becomes immune to a pathogen as a result of having a disease.

Accepted Answer

A) True 
 B)False

Question 14

An antigen is ______,whereas an antibody is ______.

Accepted Answer

A) a foreign substance such as a protein or a polysaccharide to which lymphocytes respond;a globular protein that reacts with an antigen to eliminate the antigen 
B) an immunoglobulin that is produced by lymph nodes in response to bacteria;a foreign protein that enters the body and causes an immune reaction 
C) a hapten molecule that is complex in shape;an enzyme produced by the thymus gland that neutralizes antigens 
D) only on a pathogen;only in a human body 
A) a foreign substance such as a protein or a polysaccharide to which lymphocytes respond;a globular protein that reacts with an antigen to eliminate the antigen 
B) an immunoglobulin that is produced by lymph nodes in response to bacteria;a foreign protein that enters the body and causes an immune reaction 
C) a hapten molecule that is complex in shape;an enzyme produced by the thymus gland that neutralizes antigens 
D) only on a pathogen;only in a human body

Question 15

The thymus enlarges after puberty.

Accepted Answer

A) True 
 B)False

Question 16

Low-grade fever is an effective defense for short periods of time because it

Accepted Answer

A) increases iron in the blood. 
B) includes pyrogens that destroy the pathogens. 
C) increases temperature,which slows the growth of bacteria. 
D) slows the attack of phagocytes. 
A) increases iron in the blood. 
B) includes pyrogens that destroy the pathogens. 
C) increases temperature,which slows the growth of bacteria. 
D) slows the attack of phagocytes.

Question 17

Fluid is kept from accumulating in tissue spaces by

Accepted Answer

A) sweating. 
B) breathing. 
C) the urinary system. 
D) the lymphatic system. 
A) sweating. 
B) breathing. 
C) the urinary system. 
D) the lymphatic system.

Question 18

A vaccine produces its effects by

Accepted Answer

A) directly attacking the antigens and neutralizing them. 
B) chemotaxis,the attraction of antigens to areas where the vaccine can destroy them. 
C) stimulating a primary immune response. 
D) activating autoantibodies. 
A) directly attacking the antigens and neutralizing them. 
B) chemotaxis,the attraction of antigens to areas where the vaccine can destroy them. 
C) stimulating a primary immune response. 
D) activating autoantibodies.

Question 19

Interleukin-1 secretion causes

Accepted Answer

A) an allergic response. 
B) an antibody response. 
C) a fever. 
D) cytokine secretion. 
A) an allergic response. 
B) an antibody response. 
C) a fever. 
D) cytokine secretion.

Question 20

In HIV infection,reverse transcriptase

Accepted Answer

A) makes DNA from viral RNA. 
B) makes RNA from viral DNA. 
C) makes protein from viral RNA. 
D) makes protein from viral DNA. 
A) makes DNA from viral RNA. 
B) makes RNA from viral DNA. 
C) makes protein from viral RNA. 
D) makes protein from viral DNA.

Exam 16: Lymphatic System and Immunity

A primary immune response ______,and a secondary immune response ______.

Lymph nodes are grouped throughout the body except in the

An injection of synthetic antibodies imparts active immunity.

Factors that contribute to the prevalence of peanut allergy in the U.S.include the fact that

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

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

Drugs used to reduce the tissue rejection reaction following the transplantation of tissue from one person to another

An immune response that is slower but more specific for the pathogen is the

The formation of lymph increases as a result of

Lymph is ______ ______ that has entered a lymphatic capillary.

Disease-causing agents such as viruses and bacteria are called ______.

A population of lymphocytes whose members are all alike and are capable of responding to the same specific antigen is called a(n)_______.

In active immunity,a person becomes immune to a pathogen as a result of having a disease.

An antigen is ______,whereas an antibody is ______.

The thymus enlarges after puberty.

Low-grade fever is an effective defense for short periods of time because it

Fluid is kept from accumulating in tissue spaces by

A vaccine produces its effects by

Interleukin-1 secretion causes

In HIV infection,reverse transcriptase

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Skin and the Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I

Nervous System II

Nervous System III

Endocrine System

Blood

Cardiovascular System

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

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A primary immune response ,and a secondary immune response .

Lymph is that has entered a lymphatic capillary.

An antigen is ,whereas an antibody is .