Question 1

The lymphoid tissues of the intestinal tract are collectively referred to as

Accepted Answer

A) Lymph nodes. 
B) Thymus. 
C) Spleen. 
D) GALT. 
E) Tonsils. 
A) Lymph nodes. 
B) Thymus. 
C) Spleen. 
D) GALT. 
E) Tonsils. D

Question 2

Dermacidin is an antimicrobic peptide secreted by skin cells, which breaks down bacterial membranes and causes them to lyse.

Accepted Answer

A) True 
 B)False  True

Question 3

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

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. A

Question 4

The _____ system of blood proteins act to lyse foreign cells.

Accepted Answer

The answer of The _____ system of blood proteins act...

Question 5

Complement proteins are produced by the spleen.

Accepted Answer

A) True 
 B)False

Question 6

Which is mismatched?

Accepted Answer

A) interferon alpha and beta - inhibits viral replication 
B) interleukin-2 - stimulate T cell mitosis and B cell antibody production 
C) serotonin - causes smooth muscle contraction 
D) prostaglandins - activate eosinophils and B cells 
E) tumor necrosis factor - increases chemotaxis and phagocytosis 
A) interferon alpha and beta - inhibits viral replication 
B) interleukin-2 - stimulate T cell mitosis and B cell antibody production 
C) serotonin - causes smooth muscle contraction 
D) prostaglandins - activate eosinophils and B cells 
E) tumor necrosis factor - increases chemotaxis and phagocytosis

Question 7

Which cell type is phagocytic and can migrate out into body tissues to differentiate into macrophages?

Accepted Answer

A) Basophils 
B) Eosinophils 
C) Neutrophils 
D) Monocytes 
E) Lymphocytes 
A) Basophils 
B) Eosinophils 
C) Neutrophils 
D) Monocytes 
E) Lymphocytes

Question 8

During what process are hypochlorite and hydrogen peroxide produced 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 9

All of the following can be recognized by toll-like receptors, except

Accepted Answer

A) single-stranded viral RNA. 
B) flagellin. 
C) host cell membrane proteins. 
D) lipoteichoic acid. 
E) lipopolysaccharide. 
A) single-stranded viral RNA. 
B) flagellin. 
C) host cell membrane proteins. 
D) lipoteichoic acid. 
E) lipopolysaccharide.

Question 10

The contribution of B cells is mainly in

Accepted Answer

A) inflammation. 
B) humoral immunity. 
C) complement activity. 
D) cell mediated immunity. 
E) phagocytosis. 
A) inflammation. 
B) humoral immunity. 
C) complement activity. 
D) cell mediated immunity. 
E) phagocytosis.

Question 11

B lymphocytes and T lymphocytes mature in the thymus gland.

Accepted Answer

A) True 
 B)False

Question 12

Components of the first line of defense include all the following, except

Accepted Answer

A) the tough cell sheet of the upper epidermis of the skin. 
B) nasal hairs. 
C) flushing action of tears and blinking. 
D) flushing action of urine. 
E) phagocytic white blood cells. 
A) the tough cell sheet of the upper epidermis of the skin. 
B) nasal hairs. 
C) flushing action of tears and blinking. 
D) flushing action of urine. 
E) phagocytic white blood cells.

Question 13

Which gland shrinks in size during adulthood, and has hormones that function in maturation of T-lymphocytes?

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 14

All 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 15

Juan has influenza and has aches, pains, and a fever.His mother, a physician, tells him to take an antipyretic.What is she telling him to take?

Accepted Answer

A) An antibiotic, like erythromycin 
B) An antiviral drug, like Tamiflu 
C) An antihistamine 
D) Acetaminophen, like Tylenol 
E) Herbal tea with honey 
A) An antibiotic, like erythromycin 
B) An antiviral drug, like Tamiflu 
C) An antihistamine 
D) Acetaminophen, like Tylenol 
E) Herbal tea with honey

Question 16

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.

Question 17

Joe cut his finger on a sharp twig and now is experiencing dolor.This means

Accepted Answer

A) redness. 
B) pain. 
C) loss of function. 
D) warmth. 
E) swelling. 
A) redness. 
B) pain. 
C) loss of function. 
D) warmth. 
E) swelling.

Question 18

Specificity and memory are associated with which body defense mechanism?

Accepted Answer

A) Inflammatory response 
B) Phagocytosis by macrophages and neutrophils 
C) Interferon 
D) T cell and B cell responses 
E) Anatomical barriers in the body 
A) Inflammatory response 
B) Phagocytosis by macrophages and neutrophils 
C) Interferon 
D) T cell and B cell responses 
E) Anatomical barriers in the body

Question 19

Hemopoiesis is the

Accepted Answer

A) loss of blood due to hemorrhaging. 
B) production of only red blood cells. 
C) production of white blood cells, red blood cells, and platelets. 
D) plugging of broken vessels to stop bleeding. 
E) migration of white blood cells from the blood out to the tissues. 
A) loss of blood due to hemorrhaging. 
B) production of only red blood cells. 
C) production of white blood cells, red blood cells, and platelets. 
D) plugging of broken vessels to stop bleeding. 
E) migration of white blood cells from the blood out to the tissues.

Question 20

The key phagocytic cells of the body are the

Accepted Answer

A) Neutrophils and Macrophages. 
B) Basophils and Neutrophils. 
C) Eosinophils and Macrophages. 
D) Macrophages and Monocytes. 
E) Natural Killer cells. 
A) Neutrophils and Macrophages. 
B) Basophils and Neutrophils. 
C) Eosinophils and Macrophages. 
D) Macrophages and Monocytes. 
E) Natural Killer cells.

Exam 14: An Introduction to Host Defenses and Innate Immunities

The lymphoid tissues of the intestinal tract are collectively referred to as

Dermacidin is an antimicrobic peptide secreted by skin cells, which breaks down bacterial membranes and causes them to lyse.

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

The _____ system of blood proteins act to lyse foreign cells.

Complement proteins are produced by the spleen.

Which is mismatched?

Which cell type is phagocytic and can migrate out into body tissues to differentiate into macrophages?

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

All of the following can be recognized by toll-like receptors, except

The contribution of B cells is mainly in

B lymphocytes and T lymphocytes mature in the thymus gland.

Components of the first line of defense include all the following, except

Which gland shrinks in size during adulthood, and has hormones that function in maturation of T-lymphocytes?

All the following are events of early inflammation, except

Juan has influenza and has aches, pains, and a fever.His mother, a physician, tells him to take an antipyretic.What is she telling him to take?

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

Joe cut his finger on a sharp twig and now is experiencing dolor.This means

Specificity and memory are associated with which body defense mechanism?

Hemopoiesis is the

The key phagocytic cells of the body are the

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

A Survey of Prokaryotic Cells and Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

An Introduction to Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host-The Elements of Chemotherapy

Microbe-Human Interactions: Infection, Disease, and Epidemiology

Adaptive, Specific Immunity and Immunization

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

The Gram-Negative Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Fungi of Medical Importance

The Parasites of Medical Importance

Introduction to Viruses That Infect Humans: the Dna Viruses

The Rna Viruses That Infect Humans

Environmental Microbiology

Applied and Industrial Microbiology

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