Question 1

What is occuring when an antibody renders bacterial toxins, viral proteins, or animal venom inactive?

Accepted Answer

A)  complement activation 
B)  agglutination 
C)  neutralization 
D)  opsonization 
A)  complement activation 
B)  agglutination 
C)  neutralization 
D)  opsonization

Question 2

Failure of the thymus to develop, low circulating levels of lymphocytes, and failure of cell -mediated immunity characterize:

Accepted Answer

A)  human immunodeficiency virus 1 (HIV -1). 
B)  antibody -mediated hypersensitivity. 
C)  severe -combined immunodeficiency (SCI
D) . 
D)  acquired immunodeficiency syndrome (AIDS). 
A)  human immunodeficiency virus 1 (HIV -1). 
B)  antibody -mediated hypersensitivity. 
C)  severe -combined immunodeficiency (SCI
D) . 
D)  acquired immunodeficiency syndrome (AIDS).

Question 3

Determine why long -acting interferon medications are often prescribed for viral infections, such as hepatitis C.

Accepted Answer

Interferon medications can prolong the e

Question 4

Surface barriers, such as the cutaneous and mucous membranes, provide innate immunity against pathogens.

Accepted Answer

A) True 
 B)False

Question 5

How long after initial tissue damage does leukocytosis occur?

Accepted Answer

A)  2 -3 minutes 
B)  2 -3 days 
C)  2 -3 hours 
D)  2 -3 weeks 
A)  2 -3 minutes 
B)  2 -3 days 
C)  2 -3 hours 
D)  2 -3 weeks

Question 6

What do lacteals, located in the small intestine, collect?

Accepted Answer

A)  fat 
B)  carbohydrates 
C)  intracellular fluid 
D)  blood 
A)  fat 
B)  carbohydrates 
C)  intracellular fluid 
D)  blood

Question 7

Determine for what condition Jourdan should take an antipyretic medication.

Accepted Answer

Antipyretics would be taken for fever si

Question 8

Type I, or immediate, hypersensitivity triggers plasma cells to secrete:

Accepted Answer

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

Question 9

List the five major classes of antibodies.

Accepted Answer

The five major class

Question 10

Which of the following are TRUE of class I major histocompatibility complex (MHC) molecules?

Accepted Answer

A)  Class I MHC molecules present exogenous antigens. 
B)  Class I MHC molecules present endogenous antigens. 
C)  Class I MHC molecules bind complement. 
D)  Class I MHC molecules are only present on erythrocyte surfaces. 
A)  Class I MHC molecules present exogenous antigens. 
B)  Class I MHC molecules present endogenous antigens. 
C)  Class I MHC molecules bind complement. 
D)  Class I MHC molecules are only present on erythrocyte surfaces.

Question 11

Vaccinations elicit a primary immune response so that secondary immune responses are rapid and symptoms are mild.

Accepted Answer

A) True 
 B)False

Question 12

Membrane -attack complexes (MAC) can lead to cell lysis through their insertion into a target cell's plasma membrane.

Accepted Answer

A) True 
 B)False

Question 13

What cells display portions of the pathogens (antigens) they ingest on their plasma membranes?

Accepted Answer

A)  antigen -presenting cells 
B)  basophils 
C)  natural killer (NK) cells 
D)  eosinophils 
A)  antigen -presenting cells 
B)  basophils 
C)  natural killer (NK) cells 
D)  eosinophils

Question 14

Summarize the surface barriers that provide a first line of defense against pathogens.

Accepted Answer

Cutaneous membranes and mucous membranes

Question 15

What vessels pick up excess extracellular fluid in the interstitial space and return it to circulation?

Accepted Answer

A)  lymphatic vessels 
B)  jugular veins 
C)  coronary arteries 
D)  pulmonary veins 
A)  lymphatic vessels 
B)  jugular veins 
C)  coronary arteries 
D)  pulmonary veins

Question 16

What type of cell is activated in lymphatic tissue by macrophages presenting antigens during a viral infection?

Accepted Answer

A)  natural killer (NK) cell 
B)  helper T (TH) cell 
C)  memory B cell 
D)  plasma cell 
A)  natural killer (NK) cell 
B)  helper T (TH) cell 
C)  memory B cell 
D)  plasma cell

Question 17

Clonal selection occurs when:

Accepted Answer

A)  B cells undergo rapid mitosis. 
B)  B cells differentiate into plasma cells and memory B cells. 
C)  plasma cells secrete antibodies. 
D)  B cells are activated. 
A)  B cells undergo rapid mitosis. 
B)  B cells differentiate into plasma cells and memory B cells. 
C)  plasma cells secrete antibodies. 
D)  B cells are activated.

Question 18

Explain immune surveillance.

Accepted Answer

T cells and natural killer (NK) cells "s

Question 19

Activated B cells differentiate into:

Accepted Answer

A)  effector cells and memory T cells. 
B)  antibodies and memory B cells. 
C)  plasma cells and memory B cells. 
D)  plasma cells and effector cells. 
A)  effector cells and memory T cells. 
B)  antibodies and memory B cells. 
C)  plasma cells and memory B cells. 
D)  plasma cells and effector cells.

Question 20

A high level of pyrogens most affects the:

Accepted Answer

A)  pons. 
B)  medulla oblongata. 
C)  thalamus. 
D)  hypothalamus. 
A)  pons. 
B)  medulla oblongata. 
C)  thalamus. 
D)  hypothalamus.

Exam 20: The Lymphatic System Immunity

What is occuring when an antibody renders bacterial toxins, viral proteins, or animal venom inactive?

Failure of the thymus to develop, low circulating levels of lymphocytes, and failure of cell -mediated immunity characterize:

Determine why long -acting interferon medications are often prescribed for viral infections, such as hepatitis C.

Surface barriers, such as the cutaneous and mucous membranes, provide innate immunity against pathogens.

How long after initial tissue damage does leukocytosis occur?

What do lacteals, located in the small intestine, collect?

Determine for what condition Jourdan should take an antipyretic medication.

Type I, or immediate, hypersensitivity triggers plasma cells to secrete:

List the five major classes of antibodies.

Which of the following are TRUE of class I major histocompatibility complex (MHC) molecules?

Vaccinations elicit a primary immune response so that secondary immune responses are rapid and symptoms are mild.

Membrane -attack complexes (MAC) can lead to cell lysis through their insertion into a target cell's plasma membrane.

What cells display portions of the pathogens (antigens) they ingest on their plasma membranes?

Summarize the surface barriers that provide a first line of defense against pathogens.

What vessels pick up excess extracellular fluid in the interstitial space and return it to circulation?

What type of cell is activated in lymphatic tissue by macrophages presenting antigens during a viral infection?

Clonal selection occurs when:

Explain immune surveillance.

Activated B cells differentiate into:

A high level of pyrogens most affects the:

Introduction to Anatomy Physiology

The Chemistry of Life

The Cell

Histology

The Integumentary System

Bones and Bone Tissue

The Skeletal System

Articulations

The Muscular System

Muscle Tissue Physiology

Introduction to the Nervous System Nervous Tissue

The Central Nervous System

The Peripheral Nervous System

The Autonomic Nervous System Homeostasis

The Special Senses

The Endocrine System

The Cardiovascular System I: the Heart

The Cardiovascular System Ii: Blood Vessels

Blood

The Respiratory System

The Digestive System

Metabolism Nutrition

The Urinary System

Fluid, Electrolyte Acid-Base Homeostasis

The Reproductive System

Development Heredity

Filters

Failure of the thymus to develop, low circulating levels of lymphocytes, and failure of cell ^-mediated immunity characterize:

Determine why long ^-acting interferon medications are often prescribed for viral infections, such as hepatitis C.

Membrane ^-attack complexes (MAC) can lead to cell lysis through their insertion into a target cell's plasma membrane.