Question 1

The chemical found in tears and saliva that hydrolyzes the peptidoglycan in certain bacterial cell walls is

Accepted Answer

A) lactic acid. 
B) hydrochloric acid. 
C) lysozyme. 
D) histamine. 
E) bile. 
A) lactic acid. 
B) hydrochloric acid. 
C) lysozyme. 
D) histamine. 
E) bile. C

Question 2

Your sister has just been diagnosed with systemic lupus erythematosis,or lupus,which is an autoimmune disease.This means:

Accepted Answer

A) her immune system has rejected some of her tissues and organs. 
B) her immune system has developed an allergic reaction to some of her tissues. 
C) her immune system is correctly distinguishing between self markers and nonself markers. 
D) she has an excess of phagocytic cells. 
A) her immune system has rejected some of her tissues and organs. 
B) her immune system has developed an allergic reaction to some of her tissues. 
C) her immune system is correctly distinguishing between self markers and nonself markers. 
D) she has an excess of phagocytic cells. A

Question 3

The granules of eosinophils contain

Accepted Answer

A) antibodies. 
B) antigens. 
C) serotonin. 
D) histamine. 
E) peroxidase. 
A) antibodies. 
B) antigens. 
C) serotonin. 
D) histamine. 
E) peroxidase. E

Question 4

The four classic signs and symptoms of inflammation include all of the following except

Accepted Answer

A) redness. 
B) warmth. 
C) swelling. 
D) pain. 
E) chills. 
A) redness. 
B) warmth. 
C) swelling. 
D) pain. 
E) chills.

Question 5

Which of the following lymphoid organs or tissues has the immunological function of filtering pathogens from the blood?

Accepted Answer

A) lymph nodes 
B) thymus 
C) spleen 
D) GALT 
E) tonsils 
A) lymph nodes 
B) thymus 
C) spleen 
D) GALT 
E) tonsils

Question 6

Genetic differences among species and within a species can convey genetic immunity to certain diseases.

Accepted Answer

A) True 
 B)False

Question 7

During phagocytosis,intracellular digestion begins as soon as the phagosome is formed.

Accepted Answer

A) True 
 B)False

Question 8

Which type of white blood cell is particularly attracted to sites of parasitic worm infections?

Accepted Answer

A) monocytes 
B) eosinophils 
C) basophils 
D) neutrophils 
E) lymphocytes 
A) monocytes 
B) eosinophils 
C) basophils 
D) neutrophils 
E) lymphocytes

Question 9

The production of interferon will protect the host cell from a viral infection.

Accepted Answer

A) True 
 B)False

Question 10

_____ function in humoral immunity,while _____ function in cell-mediated immunity.

Accepted Answer

A) B cells;T cells 
B) T cells;B cells 
C) Monocytes;basophils 
D) Basophils;T cells 
E) B cells;neutrophils 
A) B cells;T cells 
B) T cells;B cells 
C) Monocytes;basophils 
D) Basophils;T cells 
E) B cells;neutrophils

Question 11

Endotoxin is an exogenous pyrogen.

Accepted Answer

A) True 
 B)False

Question 12

B lymphocytes and T lymphocytes mature in the thymus gland.

Accepted Answer

A) True 
 B)False

Question 13

During what process are hypochlorite and hydrogen peroxide produced in order to destroy bacteria and inhibit viral replication?

Accepted Answer

A) inflammation 
B) phagocytosis 
C) interferon production 
D) complement production 
E) lysozyme production 
A) inflammation 
B) phagocytosis 
C) interferon production 
D) complement production 
E) lysozyme production

Question 14

The main function of the mononuclear phagocyte system is to provide

Accepted Answer

A) surveillance cells. 
B) a connection between tissues and organs. 
C) filtration of extracellular fluid. 
D) filtration of blood. 
A) surveillance cells. 
B) a connection between tissues and organs. 
C) filtration of extracellular fluid. 
D) filtration of blood.

Question 15

All of the following are events of early inflammation except

Accepted Answer

A) macrophages appear first and begin phagocytosis. 
B) chemical mediators and cytokines are released. 
C) brief vasoconstriction is followed by vasodilation. 
D) exudate and pus can accumulate. 
E) capillaries become more permeable,resulting in edema. 
A) macrophages appear first and begin phagocytosis. 
B) chemical mediators and cytokines are released. 
C) brief vasoconstriction is followed by vasodilation. 
D) exudate and pus can accumulate. 
E) capillaries become more permeable,resulting in edema.

Question 16

A type of monocyte that has long,thin processes to trap pathogens is a

Accepted Answer

A) dendritic cell. 
B) eosinophil. 
C) macrophage. 
D) platelet. 
E) mast cell. 
A) dendritic cell. 
B) eosinophil. 
C) macrophage. 
D) platelet. 
E) mast cell.

Question 17

What is the first step in the major events of the inflammatory process?

Accepted Answer

A) formation of pus and edema 
B) scar formation and/or resolution 
C) vascular reactions 
D) injury and mast cells releasing chemical mediators 
E) activation of complement 
A) formation of pus and edema 
B) scar formation and/or resolution 
C) vascular reactions 
D) injury and mast cells releasing chemical mediators 
E) activation of complement

Question 18

Which white blood cells comprise 20% to 30% of the circulating WBCs and are the cells that function in the body's specific immune system?

Accepted Answer

A) basophils 
B) eosinophils 
C) neutrophils 
D) monocytes 
E) lymphocytes 
A) basophils 
B) eosinophils 
C) neutrophils 
D) monocytes 
E) lymphocytes

Question 19

Plasma cells

Accepted Answer

A) function in cell-mediated immunity. 
B) are derived from T lymphocytes. 
C) function in blood clotting. 
D) produce and secrete antibodies. 
A) function in cell-mediated immunity. 
B) are derived from T lymphocytes. 
C) function in blood clotting. 
D) produce and secrete antibodies.

Question 20

This body region is protected by fatty acids,acidic pH,lactic acid,and a tough cell barrier with its own normal biota:

Accepted Answer

A) skin 
B) respiratory tract 
C) digestive tract 
D) urinary tract 
E) eyes 
A) skin 
B) respiratory tract 
C) digestive tract 
D) urinary tract 
E) eyes

Exam 14: Host Defenses I: Overview and Nonspecific Defenses

The chemical found in tears and saliva that hydrolyzes the peptidoglycan in certain bacterial cell walls is

Your sister has just been diagnosed with systemic lupus erythematosis,or lupus,which is an autoimmune disease.This means:

The granules of eosinophils contain

The four classic signs and symptoms of inflammation include all of the following except

Which of the following lymphoid organs or tissues has the immunological function of filtering pathogens from the blood?

Genetic differences among species and within a species can convey genetic immunity to certain diseases.

During phagocytosis,intracellular digestion begins as soon as the phagosome is formed.

Which type of white blood cell is particularly attracted to sites of parasitic worm infections?

The production of interferon will protect the host cell from a viral infection.

_____ function in humoral immunity,while _____ function in cell-mediated immunity.

Endotoxin is an exogenous pyrogen.

B lymphocytes and T lymphocytes mature in the thymus gland.

During what process are hypochlorite and hydrogen peroxide produced in order to destroy bacteria and inhibit viral replication?

The main function of the mononuclear phagocyte system is to provide

All of the following are events of early inflammation except

A type of monocyte that has long,thin processes to trap pathogens is a

What is the first step in the major events of the inflammatory process?

Which white blood cells comprise 20% to 30% of the circulating WBCs and are the cells that function in the body's specific immune system?

Plasma cells

This body region is protected by fatty acids,acidic pH,lactic acid,and a tough cell barrier with its own normal biota:

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods for the Culturing of Microscopic Analysis of Microorganisms

Prokaryotic Profiles: The Bacteria and Archaea

Eukaryotic Cells and Microorganisms

An Introduction to the Viruses

Microbial Nutrition, Ecology, and Growth

Microbial Metabolism: the Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering and Recombinant Dna

Physical and Chemical Control of Microbes

Drugs, Microbes, host-The Elements of Chemotherapy

Microbe-Human Interactions: Infection and Disease

Host Defenses II: Specific Immunity and Immunization

Disorders in Immunity

Diagnosing Infections

Infectious Diseases Affecting the Skin and Eyes

Infectious Diseases Affecting the Nervous System

Infectious Diseases Affecting the Cardiovascular and Lymphatic Systems

Infectious Diseases Affecting the Respiratory System

Infectious Diseases Affecting the Gastrointestinal Tract

Infectious Diseases Affecting the Genitourinary System

Microbes and the Environment

Applied Microbiology and Food and Water Safety

Filters

_ function in humoral immunity,while _ function in cell-mediated immunity.