Question 1

All of the following are types of agranulocytes because they do not have prominent granules in their cytoplasm when stained, except

Accepted Answer

A) T-cells. 
B) B-cells. 
C) monocytes. 
D) lymphocytes. 
E) basophils. 
A) T-cells. 
B) B-cells. 
C) monocytes. 
D) lymphocytes. 
E) basophils.

Question 2

Which of the following is an example of GALT?

Accepted Answer

A) appendix 
B) lymph nodes 
C) spleen 
D) tonsils 
E) thymus gland 
A) appendix 
B) lymph nodes 
C) spleen 
D) tonsils 
E) thymus gland

Question 3

Certain complement components stimulate inflammation and phagocytosis.

Accepted Answer

A) True 
 B)False

Question 4

Endotoxin is an exogenous pyrogen.

Accepted Answer

A) True 
 B)False

Question 5

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

Question 6

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

Accepted Answer

The answer of _____ lymphocytes function in humoral immunity, while...

Question 7

When monocytes migrate from the blood out to the tissues, they are transformed by inflammatory mediators to develop into _____.

Accepted Answer

The answer of When monocytes migrate from the blood out...

Question 8

Neutrophils, eosinophils, and basophils are called _____ because they have prominent cytoplasmic granules that, in a stained blood smear, appear with identifying, characteristic colors.

Accepted Answer

The answer of Neutrophils, eosinophils, and basophils are called _____...

Question 9

All of the following are correct about lymph, except

Accepted Answer

A) its composition is similar to plasma. 
B) it travels in vessels similar to blood vessels. 
C) it is made mostly of water. 
D) it transports numerous white blood cells. 
E) it is transported through the body by the same pump as blood, i.e., the heart. 
A) its composition is similar to plasma. 
B) it travels in vessels similar to blood vessels. 
C) it is made mostly of water. 
D) it transports numerous white blood cells. 
E) it is transported through the body by the same pump as blood, i.e., the heart.

Question 10

The clearance of pus, cellular debris, dead neutrophils, and damaged tissue after inflammation is performed by

Accepted Answer

A) basophils. 
B) eosinophils. 
C) neutrophils. 
D) macrophages. 
E) lymphocytes. 
A) basophils. 
B) eosinophils. 
C) neutrophils. 
D) macrophages. 
E) lymphocytes.

Question 11

Which is mismatched?

Accepted Answer

A) interferon alpha and beta - inhibits viral replication 
B) interleukin-2 - stimulates 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 - stimulates 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 12

Joan's inflamed and painful joints are likely due to which of the following chemicals?

Accepted Answer

A) gamma interferon 
B) interleukin-5 
C) prostaglandins 
D) histamine 
E) platelet-activating factor 
A) gamma interferon 
B) interleukin-5 
C) prostaglandins 
D) histamine 
E) platelet-activating factor

Question 13

Elimination and destruction systems present in the phagolysosome include all the following, except

Accepted Answer

A) bromine. 
B) hydroxyl free radical. 
C) nitric oxide. 
D) lactic acid. 
E) lysozyme. 
A) bromine. 
B) hydroxyl free radical. 
C) nitric oxide. 
D) lactic acid. 
E) lysozyme.

Question 14

Histamine, serotonin, and bradykinin are all

Accepted Answer

A) vasoactive mediators. 
B) mediators of B-cell activity. 
C) mediators of T-cell activity. 
D) mediators that increase chemotaxis. 
E) fever inducers. 
A) vasoactive mediators. 
B) mediators of B-cell activity. 
C) mediators of T-cell activity. 
D) mediators that increase chemotaxis. 
E) fever inducers.

Question 15

The membrane attack stage of the complement cascade involves

Accepted Answer

A) initiation of the cascade. 
B) production of inflammatory cytokines. 
C) the assembly of a ring-shaped protein that forms holes in bacterial cell membranes and virus envelopes. 
D) cleaving of C3 to yield C3a and C3b. 
E) C1q binds to surface receptors on a membrane. 
A) initiation of the cascade. 
B) production of inflammatory cytokines. 
C) the assembly of a ring-shaped protein that forms holes in bacterial cell membranes and virus envelopes. 
D) cleaving of C3 to yield C3a and C3b. 
E) C1q binds to surface receptors on a membrane.

Question 16

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.

Question 17

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 18

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 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 most numerous WBCs, that have multilobed nuclei and are very phagocytic are

Accepted Answer

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

Exam 14: An Introduction to Host Defenses and Innate Immunities

All of the following are types of agranulocytes because they do not have prominent granules in their cytoplasm when stained, except

Which of the following is an example of GALT?

Certain complement components stimulate inflammation and phagocytosis.

Endotoxin is an exogenous pyrogen.

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

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

When monocytes migrate from the blood out to the tissues, they are transformed by inflammatory mediators to develop into _____.

Neutrophils, eosinophils, and basophils are called _____ because they have prominent cytoplasmic granules that, in a stained blood smear, appear with identifying, characteristic colors.

All of the following are correct about lymph, except

The clearance of pus, cellular debris, dead neutrophils, and damaged tissue after inflammation is performed by

Which is mismatched?

Joan's inflamed and painful joints are likely due to which of the following chemicals?

Elimination and destruction systems present in the phagolysosome include all the following, except

Histamine, serotonin, and bradykinin are all

The membrane attack stage of the complement cascade involves

The key phagocytic cells of the body are the

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

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

Hemopoiesis is the

The most numerous WBCs, that have multilobed nuclei and are very phagocytic are

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

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 and Disease

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

Filters

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