Question 1

Chemical substances that are found on the cell surface and kill microorganisms or prevent their entry into cells include all of these EXCEPT

Accepted Answer

A) lysozyme. 
B) sebum. 
C) mucus. 
D) complement. 
A) lysozyme. 
B) sebum. 
C) mucus. 
D) complement.

Question 2

T cells originate in the ______ and are processed (mature)in the _______.

Accepted Answer

A) yellow bone marrow; red bone marrow 
B) red bone marrow; thymus 
C) red bone marrow; white pulp of the spleen 
D) red bone marrow; red bone marrow 
E) yellow bone marrow; lymph nodules 
A) yellow bone marrow; red bone marrow 
B) red bone marrow; thymus 
C) red bone marrow; white pulp of the spleen 
D) red bone marrow; red bone marrow 
E) yellow bone marrow; lymph nodules

Question 3

_____________ involves production of cytokines.

Accepted Answer

A) Innate immunity 
B) Antibody-mediated (adaptive)immunity 
C) Cell-mediated (adaptive)immunity 
D) All forms of adaptive immunity 
A) Innate immunity 
B) Antibody-mediated (adaptive)immunity 
C) Cell-mediated (adaptive)immunity 
D) All forms of adaptive immunity

Question 4

Concerning lymphocytes,

Accepted Answer

A) T cells are more numerous than B cells in the blood. 
B) both pre-B cells and pre-T cells are derived from stem cells in adult red bone marrow. 
C) small groups of identical B cells or T cells,called clones,are produced during adaptive immunity. 
D) all lymphocytes synthesize and secrete antibodies. 
E) Lymphocytes have none of these properties. 
A) T cells are more numerous than B cells in the blood. 
B) both pre-B cells and pre-T cells are derived from stem cells in adult red bone marrow. 
C) small groups of identical B cells or T cells,called clones,are produced during adaptive immunity. 
D) all lymphocytes synthesize and secrete antibodies. 
E) Lymphocytes have none of these properties.

Question 5

In innate immunity,

Accepted Answer

A) immunity to a substance is produced only after exposure to that substance. 
B) each time the body is exposed to a particular substance,the response is the same. 
C) the ability to recognize and remember a particular substance is important. 
D) both immunity to a substance is produced only after exposure to that substance and each time the body is exposed to a particular substance,the response is the same. 
E) All of these are properties of innate immunity. 
A) immunity to a substance is produced only after exposure to that substance. 
B) each time the body is exposed to a particular substance,the response is the same. 
C) the ability to recognize and remember a particular substance is important. 
D) both immunity to a substance is produced only after exposure to that substance and each time the body is exposed to a particular substance,the response is the same. 
E) All of these are properties of innate immunity.

Question 6

B cells are activated (stimulated to divide & differentiate)

Accepted Answer

A) by cytokines. 
B) by macrophages which present parts of the antigens. 
C) through costimulation. 
D) by helper T cells. 
E) All of these are correct. 
A) by cytokines. 
B) by macrophages which present parts of the antigens. 
C) through costimulation. 
D) by helper T cells. 
E) All of these are correct.

Question 7

Integrase inhibitors are drugs that interfere with

Accepted Answer

A) formation of viral DNA from viral RNA. 
B) formation of viral RNA from viral DNA. 
C) insertion of viral DNA into the host cell's DNA. 
D) insertion of host cell's DNA into the viral DNA. 
E) breakdown of large viral proteins into smaller proteins. 
A) formation of viral DNA from viral RNA. 
B) formation of viral RNA from viral DNA. 
C) insertion of viral DNA into the host cell's DNA. 
D) insertion of host cell's DNA into the viral DNA. 
E) breakdown of large viral proteins into smaller proteins.

Question 8

____________ causes the lysis of cells.

Accepted Answer

A) Innate immunity 
B) Antibody-mediated (adaptive)immunity 
C) Cell-mediated (adaptive)immunity 
D) All forms of adaptive immunity 
A) Innate immunity 
B) Antibody-mediated (adaptive)immunity 
C) Cell-mediated (adaptive)immunity 
D) All forms of adaptive immunity

Question 9

An allergy

Accepted Answer

A) is a harmful response to an antigen that does not stimulate an adaptive immune response in most people. 
B) is caused by an allergen. 
C) is harmful because the process that eliminates the antigen produces a strong inflammatory effect. 
D) is also called a hypersensitivity reaction. 
E) All of these are correct. 
A) is a harmful response to an antigen that does not stimulate an adaptive immune response in most people. 
B) is caused by an allergen. 
C) is harmful because the process that eliminates the antigen produces a strong inflammatory effect. 
D) is also called a hypersensitivity reaction. 
E) All of these are correct.

Question 10

Neutrophils

Accepted Answer

A) are produced by lymphocytes that divide. 
B) usually die after phagocytizing a single organism. 
C) usually arrive at the site of inflammation later than other phagocytic cells. 
D) are not able to leave the blood. 
E) have all of these properties. 
A) are produced by lymphocytes that divide. 
B) usually die after phagocytizing a single organism. 
C) usually arrive at the site of inflammation later than other phagocytic cells. 
D) are not able to leave the blood. 
E) have all of these properties.

Question 11

_________ is an example of delayed hypersensitivity.

Accepted Answer

A) Hay fever 
B) Urticaria 
C) Poison ivy 
D) Hemolytic disease of the newborn 
E) Asthma 
A) Hay fever 
B) Urticaria 
C) Poison ivy 
D) Hemolytic disease of the newborn 
E) Asthma

Question 12

The secondary,or memory immune response

Accepted Answer

A) prevents disease symptoms from occurring. 
B) causes B memory cells to rapidly divide to form plasma cells. 
C) produces more antibodies than during the primary response. 
D) is faster than the primary response. 
E) has all of these properties. 
A) prevents disease symptoms from occurring. 
B) causes B memory cells to rapidly divide to form plasma cells. 
C) produces more antibodies than during the primary response. 
D) is faster than the primary response. 
E) has all of these properties.

Question 13

Cells that release chemicals that break down chemicals released from basophils and mast cells are

Accepted Answer

A) mast cells. 
B) neutrophils. 
C) microphages. 
D) eosinophils. 
E) macrophages. 
A) mast cells. 
B) neutrophils. 
C) microphages. 
D) eosinophils. 
E) macrophages.

Question 14

Lymph capillaries

Accepted Answer

A) have walls of squamous cells that overlap like shingles. 
B) have one way valves. 
C) receive fluid from the interstitial spaces. 
D) are uni-directional (1 way)and conduct fluid to the lymph organs. 
E) All of these are correct. 
A) have walls of squamous cells that overlap like shingles. 
B) have one way valves. 
C) receive fluid from the interstitial spaces. 
D) are uni-directional (1 way)and conduct fluid to the lymph organs. 
E) All of these are correct.

Question 15

Nonmotile cells in connective tissue that release inflammatory chemicals are called

Accepted Answer

A) macrophages. 
B) neutrophils. 
C) lacunae. 
D) eosinophils. 
E) mast cells. 
A) macrophages. 
B) neutrophils. 
C) lacunae. 
D) eosinophils. 
E) mast cells.

Question 16

"The tonsils" are best known as

Accepted Answer

A) the thoracic duct. 
B) the palatine tonsils. 
C) the lingual tonsil. 
D) the pharyngeal tonsils. 
E) the parotid glands. 
A) the thoracic duct. 
B) the palatine tonsils. 
C) the lingual tonsil. 
D) the pharyngeal tonsils. 
E) the parotid glands.

Question 17

Chemical mediators of inflammation can produce

Accepted Answer

A) vasodilation. 
B) chemotaxtic attraction of phagocytes. 
C) increased vascular permeability. 
D) net movement of fibrin and complement from the blood to the extracellular fluid. 
E) All of these effects are produced by one or more chemical mediators of inflammation. 
A) vasodilation. 
B) chemotaxtic attraction of phagocytes. 
C) increased vascular permeability. 
D) net movement of fibrin and complement from the blood to the extracellular fluid. 
E) All of these effects are produced by one or more chemical mediators of inflammation.

Question 18

All the innate immunity mechanisms below are correctly matched with a correct example EXCEPT:

Accepted Answer

A) physical barriers - skin and mucous membranes 
B) chemicals mediators - lysozyme 
C) phagocytic cells - lymphocytes 
D) inflammatory cells - mast cells 
E) All of these are correctly paired. 
A) physical barriers - skin and mucous membranes 
B) chemicals mediators - lysozyme 
C) phagocytic cells - lymphocytes 
D) inflammatory cells - mast cells 
E) All of these are correctly paired.

Question 19

Macrophages

Accepted Answer

A) are monocytes that leave the blood and enlarge. 
B) have a single,unlobed nucleus. 
C) can be called dust cells,Kupffer cells,or microglia. 
D) operate in the later stages of an infection. 
E) have all of these characteristics. 
A) are monocytes that leave the blood and enlarge. 
B) have a single,unlobed nucleus. 
C) can be called dust cells,Kupffer cells,or microglia. 
D) operate in the later stages of an infection. 
E) have all of these characteristics.

Question 20

Why doesn't interferon prevent all cells from being infected with viruses?

Accepted Answer

A) because interferon is effective against bacterial infections only 
B) because interferon is only released from cells that are already infected 
C) because interferon has no memory capability 
D) because interferon is produced by macrophages,which arrive after an infection has occurred 
E) Both because interferon is only released from cells that are already infected and because interferon has no memory capability are correct. 
A) because interferon is effective against bacterial infections only 
B) because interferon is only released from cells that are already infected 
C) because interferon has no memory capability 
D) because interferon is produced by macrophages,which arrive after an infection has occurred 
E) Both because interferon is only released from cells that are already infected and because interferon has no memory capability are correct.

Chemical substances that are found on the cell surface and kill microorganisms or prevent their entry into cells include all of these EXCEPT

T cells originate in the and are processed (mature)in the _.

_____________ involves production of cytokines.

Concerning lymphocytes,

In innate immunity,

B cells are activated (stimulated to divide & differentiate)

Integrase inhibitors are drugs that interfere with

____________ causes the lysis of cells.

An allergy

Neutrophils

_________ is an example of delayed hypersensitivity.

The secondary,or memory immune response

Cells that release chemicals that break down chemicals released from basophils and mast cells are

Lymph capillaries

Nonmotile cells in connective tissue that release inflammatory chemicals are called

"The tonsils" are best known as

Chemical mediators of inflammation can produce

All the innate immunity mechanisms below are correctly matched with a correct example EXCEPT:

Macrophages

Why doesn't interferon prevent all cells from being infected with viruses?

The Human Organism

The Chemical Basis of Life

Cell Structures and Their Functions

Tissues

Integumentary System

Skeletal System: Bones and Joints

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood Vessels and Circulation

Respiratory System

Digestive System

Nutrition, metabolism, and Body Temperature Regulation

Urinary System and Fluid Balance

Reproductive System

Development, heredity, and Aging

Filters

Exam 14: The Lymphatic System and Immunity

Chemical substances that are found on the cell surface and kill microorganisms or prevent their entry into cells include all of these EXCEPT

T cells originate in the ______ and are processed (mature)in the _______.

_____________ involves production of cytokines.

Concerning lymphocytes,

In innate immunity,

B cells are activated (stimulated to divide & differentiate)

Integrase inhibitors are drugs that interfere with

____________ causes the lysis of cells.

An allergy

Neutrophils

_________ is an example of delayed hypersensitivity.

The secondary,or memory immune response

Cells that release chemicals that break down chemicals released from basophils and mast cells are

Lymph capillaries

Nonmotile cells in connective tissue that release inflammatory chemicals are called

"The tonsils" are best known as

Chemical mediators of inflammation can produce

All the innate immunity mechanisms below are correctly matched with a correct example EXCEPT:

Macrophages

Why doesn't interferon prevent all cells from being infected with viruses?

The Human Organism

The Chemical Basis of Life

Cell Structures and Their Functions

Tissues

Integumentary System

Skeletal System: Bones and Joints

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood Vessels and Circulation

Respiratory System

Digestive System

Nutrition, metabolism, and Body Temperature Regulation

Urinary System and Fluid Balance

Reproductive System

Development, heredity, and Aging

Filters

T cells originate in the and are processed (mature)in the _.