Question 1

Which of the following types of cells release a costimulator needed for the conversion of B cells into antibody-producing plasma cells?

Accepted Answer

A) suppressor T cells 
B) cytotoxic T cells 
C) helper T cells 
D) natural killer cells 
E) delayed hypersensitivity cells 
A) suppressor T cells 
B) cytotoxic T cells 
C) helper T cells 
D) natural killer cells 
E) delayed hypersensitivity cells C

Question 2

The cell labeled D in the diagram that releases interleukin-2 as a costimulator during B cell activation is called a

Accepted Answer

A) cytotoxic T cell 
B) plasma cell 
C) memory B cell 
D) helper T cell 
E) suppressor T cell 
A) cytotoxic T cell 
B) plasma cell 
C) memory B cell 
D) helper T cell 
E) suppressor T cell D

Question 3

The thymus gland is a primary lymphatic organ located in the thoracic cavity.

Accepted Answer

A) True 
 B)False  True

Question 4

Which of the following conditions would lead to the fastest rate of lymph circulation?

Accepted Answer

A) hypotension 
B) increased cardiac output 
C) dehydration 
D) increased physical activity 
E) elevating your feet above the heart 
A) hypotension 
B) increased cardiac output 
C) dehydration 
D) increased physical activity 
E) elevating your feet above the heart

Question 5

Complement proteins are

Accepted Answer

A) found in blood plasma. 
B) present in infected cells. 
C) produced by T cells. 
D) a specific type of interferon. 
E) produced by B-lymphocytes. 
A) found in blood plasma. 
B) present in infected cells. 
C) produced by T cells. 
D) a specific type of interferon. 
E) produced by B-lymphocytes.

Question 6

The thoracic duct

Accepted Answer

A) receives lymph from the left side of the head. 
B) receives lymph from the upper right side of the body. 
C) empties lymph into the right subclavian vein. 
D) receives lymph from the upper right side of the body and empties lymph into the right subclavian vein. 
E) receives lymph from the left side of the head and empties lymph into the right subclavian vein. 
A) receives lymph from the left side of the head. 
B) receives lymph from the upper right side of the body. 
C) empties lymph into the right subclavian vein. 
D) receives lymph from the upper right side of the body and empties lymph into the right subclavian vein. 
E) receives lymph from the left side of the head and empties lymph into the right subclavian vein.

Question 7

Which of the following statements describe benefits of inflammation at a site of infection?

Accepted Answer

A) increased number of phagocytes in the infected area 
B) walls off the infection to prevent it from spreading 
C) increased temperature in infected area 
D) increased blood flow to the infected area helping to remove dead cells and toxins 
E) all of the choices are benefits of inflammation 
A) increased number of phagocytes in the infected area 
B) walls off the infection to prevent it from spreading 
C) increased temperature in infected area 
D) increased blood flow to the infected area helping to remove dead cells and toxins 
E) all of the choices are benefits of inflammation

Question 8

Which of the following lymphatic tissues is NOT surrounded by a connective tissue capsule?

Accepted Answer

A) spleen 
B) lymphatic nodules 
C) lymph nodes 
D) all of the choices are correct 
E) none of the choices is correct 
A) spleen 
B) lymphatic nodules 
C) lymph nodes 
D) all of the choices are correct 
E) none of the choices is correct

Question 9

Most antibodies consist of six polypeptide chains including two chains with variable regions and four chains with antigen-binding sites.

Accepted Answer

A) True 
 B)False

Question 10

The T cells received their name because they

Accepted Answer

A) are made in the thyroid gland. 
B) are produced under the influence of testosterone. 
C) are controlled by the thalamus. 
D) mature in the thymus gland. 
E) appear in the plasma after S cells. 
A) are made in the thyroid gland. 
B) are produced under the influence of testosterone. 
C) are controlled by the thalamus. 
D) mature in the thymus gland. 
E) appear in the plasma after S cells.

Question 11

Hemopoiesis during fetal life occurs in the

Accepted Answer

A) pancreas 
B) red pulp of the spleen 
C) thymus gland 
D) lymph nodes 
E) white pulp of the spleen 
A) pancreas 
B) red pulp of the spleen 
C) thymus gland 
D) lymph nodes 
E) white pulp of the spleen

Question 12

With advancing age, people become more susceptible to infections and malignancies because

Accepted Answer

A) T cells are less responsive to antigens. 
B) fewer T cells are present. 
C) the thymus gland atrophies. 
D) B cells are less responsive. 
E) all of the choices are correct. 
A) T cells are less responsive to antigens. 
B) fewer T cells are present. 
C) the thymus gland atrophies. 
D) B cells are less responsive. 
E) all of the choices are correct.

Question 13

After a T cell is activated, it enlarges and produces a population of identical cells called a clone.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following organs does NOT contain fixed macrophages?

Accepted Answer

A) lungs 
B) brain 
C) liver 
D) spleen 
E) all of these organs contain fixed macrophages 
A) lungs 
B) brain 
C) liver 
D) spleen 
E) all of these organs contain fixed macrophages

Question 15

The structure labeled A in the diagram is a secondary lymphatic tissue called the

Accepted Answer

A) iliac node 
B) Peyer's patch 
C) appendix 
D) palatine tonsil 
E) thymus gland 
A) iliac node 
B) Peyer's patch 
C) appendix 
D) palatine tonsil 
E) thymus gland

Question 16

Cytotoxic T cells destroy target cells on contact by releasing a variety of cytotoxic proteins.

Accepted Answer

A) True 
 B)False

Question 17

A transplant between genetically different individuals of the same species is called a/an

Accepted Answer

A) graft 
B) allograft 
C) autograft 
D) zenograft 
E) none of the choices is correct 
A) graft 
B) allograft 
C) autograft 
D) zenograft 
E) none of the choices is correct

Question 18

Which of the labeled structures in the diagram have the following characteristics: fibrous capsule, afferent lymphatic vessels, efferent lymphatic vessels, and abundant reticular fibers?

Accepted Answer

A) A 
B) C 
C) F 
D) H 
E) I 
A) A 
B) C 
C) F 
D) H 
E) I

Question 19

The tonsils are five large clusters of lymphatic nodules that form a ring at the junction of the oral cavity, nasal cavity, and throat.

Accepted Answer

A) True 
 B)False

Question 20

The complement system consists of a group of plasma proteins that help destroy pathogens by creating holes in the plasma membrane of the microbe.

Accepted Answer

A) True 
 B)False

Exam 17: The Lymphatic System and Immunity

Which of the following types of cells release a costimulator needed for the conversion of B cells into antibody-producing plasma cells?

The cell labeled D in the diagram that releases interleukin-2 as a costimulator during B cell activation is called a

The thymus gland is a primary lymphatic organ located in the thoracic cavity.

Which of the following conditions would lead to the fastest rate of lymph circulation?

Complement proteins are

The thoracic duct

Which of the following statements describe benefits of inflammation at a site of infection?

Which of the following lymphatic tissues is NOT surrounded by a connective tissue capsule?

Most antibodies consist of six polypeptide chains including two chains with variable regions and four chains with antigen-binding sites.

The T cells received their name because they

Hemopoiesis during fetal life occurs in the

With advancing age, people become more susceptible to infections and malignancies because

After a T cell is activated, it enlarges and produces a population of identical cells called a clone.

Which of the following organs does NOT contain fixed macrophages?

The structure labeled A in the diagram is a secondary lymphatic tissue called the

Cytotoxic T cells destroy target cells on contact by releasing a variety of cytotoxic proteins.

A transplant between genetically different individuals of the same species is called a/an

Which of the labeled structures in the diagram have the following characteristics: fibrous capsule, afferent lymphatic vessels, efferent lymphatic vessels, and abundant reticular fibers?

The tonsils are five large clusters of lymphatic nodules that form a ring at the junction of the oral cavity, nasal cavity, and throat.

The complement system consists of a group of plasma proteins that help destroy pathogens by creating holes in the plasma membrane of the microbe.

Organization of the Human Body

Introductory Chemistry

Cells

Tissues

The Integumentary System

The Skeletal System

Joints

The Muscular System

Nervous Tissue

Central Nervous System, Spinal Nerves, and Cranial Nerves

Autonomic Nervous System

Somatic Senses and Special Sense

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: Heart

The Cardiovascular System: Blood Vessels and Circulation

The Respiratory System

The Digestive System

Nutrition and Metabolism

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive Systems

Development and Inheritance

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