Question 1

The leakage of vascular fluid into tissues is called ______.

Accepted Answer

A)  pus 
B)  chemotaxis 
C)  edema 
D)  vasoactivity 
E)  diapedesis 
A)  pus 
B)  chemotaxis 
C)  edema 
D)  vasoactivity 
E)  diapedesis C

Question 2

Which white blood cells comprise 3-7% of circulating WBCs,are 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 D

Question 3

The alternate complement pathway uses complement proteins C1,C2,and C4.

Accepted Answer

A) True 
 B)False  False

Question 4

The normal human microbiota is considered part of the 1st line of defense because

Accepted Answer

A)  microbial antagonism keeps potential pathogens in check. 
B)  microbiota cause an inflammatory response, eliminating pathogens. 
C)  pathogens and normal biota cannot exist in the same location. 
D)  resident bacterial cells stimulate phagocytosis of pathogens. 
A)  microbial antagonism keeps potential pathogens in check. 
B)  microbiota cause an inflammatory response, eliminating pathogens. 
C)  pathogens and normal biota cannot exist in the same location. 
D)  resident bacterial cells stimulate phagocytosis of pathogens.

Question 5

All of the following pertain to interferon except

Accepted Answer

A)  it inhibits viruses, tumors, and cancer gene expression. 
B)  it increases capillary permeability and vasodilation. 
C)  it is produced by certain white blood cells and tissue cells. 
D)  it includes alpha, beta, and gamma types. 
E)  it is a protein. 
A)  it inhibits viruses, tumors, and cancer gene expression. 
B)  it increases capillary permeability and vasodilation. 
C)  it is produced by certain white blood cells and tissue cells. 
D)  it includes alpha, beta, and gamma types. 
E)  it is a protein.

Question 6

After loading wood into a fireplace,you realize you have gotten a splinter in your finger.Within a short period of time,your finger is painful,red,and swollen,and is warm to the touch.This is an example of ______.

Accepted Answer

A)  nonspecific resistance 
B)  specific resistance 
C)  acquired immunity 
D)  adaptive immunity 
A)  nonspecific resistance 
B)  specific resistance 
C)  acquired immunity 
D)  adaptive immunity

Question 7

If an individual has a genetic disorder whereby they lack the ability to make complement protein C3,the likely consequence is

Accepted Answer

A)  excessive fever development. 
B)  enhanced inflammation. 
C)  a higher incidence of bacterial and viral infections. 
D)  an inability to synthesize antibodies. 
A)  excessive fever development. 
B)  enhanced inflammation. 
C)  a higher incidence of bacterial and viral infections. 
D)  an inability to synthesize antibodies.

Question 8

Place the following cells in order from greatest to least phagocytic activity: neutrophils,eosinophils,macrophages.

Accepted Answer

A)  Macrophages, eosinophils, neutrophils 
B)  Neutrophils, macrophages, eosinophils 
C)  Eosinophils, macrophages, neutrophils 
D)  Neutrophils, eosinophils, macrophages 
E)  Macrophages, neutrophils, eosinophils 
A)  Macrophages, eosinophils, neutrophils 
B)  Neutrophils, macrophages, eosinophils 
C)  Eosinophils, macrophages, neutrophils 
D)  Neutrophils, eosinophils, macrophages 
E)  Macrophages, neutrophils, eosinophils

Question 9

Monocytes and lymphocytes are agranular leukocytes.

Accepted Answer

A) True 
 B)False

Question 10

Immune system cells differentiate between self and foreign cells by their ______.

Accepted Answer

A)  markers 
B)  sizes 
C)  cell processes 
D)  shapes 
E)  cell walls 
A)  markers 
B)  sizes 
C)  cell processes 
D)  shapes 
E)  cell walls

Question 11

Lysozyme is found in ______.

Accepted Answer

A)  tears 
B)  salivary secretions 
C)  sweat from sweat glands 
D)  All of the choices are correct. 
A)  tears 
B)  salivary secretions 
C)  sweat from sweat glands 
D)  All of the choices are correct.

Question 12

Which of the following is not a chief function of inflammation?

Accepted Answer

A)  Cause a fever 
B)  Start tissue repair 
C)  Block further invasion 
D)  Mobilize and attract immune components to injury site 
E)  Destroy microbes 
A)  Cause a fever 
B)  Start tissue repair 
C)  Block further invasion 
D)  Mobilize and attract immune components to injury site 
E)  Destroy microbes

Question 13

A person will typically experience the sensation of _____ when fever is starting to occur in the body.

Accepted Answer

A)  pain 
B)  chills 
C)  sweating 
D)  heat 
A)  pain 
B)  chills 
C)  sweating 
D)  heat

Question 14

What structures are found along lymphatic vessels and are heavily clustered in the armpit,groin,and neck?

Accepted Answer

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

Question 15

Which of the following is a chemical used by phagocytes to destroy ingested foreign substances?

Accepted Answer

A)  Hydrogen peroxide 
B)  Nitric oxide 
C)  Lactic acid 
D)  Superoxide anion 
E)  All of these are used. 
A)  Hydrogen peroxide 
B)  Nitric oxide 
C)  Lactic acid 
D)  Superoxide anion 
E)  All of these are used.

Question 16

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

Question 17

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 18

During inflammation,a high neutrophil count is a common sign of bacterial infection.

Accepted Answer

A) True 
 B)False

Question 19

Nonspecific chemical defenses include

Accepted Answer

A)  lysozyme. 
B)  lactic acid and electrolytes of sweat. 
C)  the skin's acidic pH and fatty acids. 
D)  stomach hydrochloric acid. 
E)  All of the choices are correct. 
A)  lysozyme. 
B)  lactic acid and electrolytes of sweat. 
C)  the skin's acidic pH and fatty acids. 
D)  stomach hydrochloric acid. 
E)  All of the choices are correct.

Question 20

The membrane attack stage of the complement cascade involves

Accepted Answer

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

Exam 14: Host Defenses I: Overview and Nonspecific Defenses

The leakage of vascular fluid into tissues is called ______.

Which white blood cells comprise 3-7% of circulating WBCs,are phagocytic,and can migrate out into body tissues to differentiate into macrophages?

The alternate complement pathway uses complement proteins C1,C2,and C4.

The normal human microbiota is considered part of the 1st line of defense because

All of the following pertain to interferon except

After loading wood into a fireplace,you realize you have gotten a splinter in your finger.Within a short period of time,your finger is painful,red,and swollen,and is warm to the touch.This is an example of ______.

If an individual has a genetic disorder whereby they lack the ability to make complement protein C3,the likely consequence is

Place the following cells in order from greatest to least phagocytic activity: neutrophils,eosinophils,macrophages.

Monocytes and lymphocytes are agranular leukocytes.

Immune system cells differentiate between self and foreign cells by their ______.

Lysozyme is found in ______.

Which of the following is not a chief function of inflammation?

A person will typically experience the sensation of _____ when fever is starting to occur in the body.

What structures are found along lymphatic vessels and are heavily clustered in the armpit,groin,and neck?

Which of the following is a chemical used by phagocytes to destroy ingested foreign substances?

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?

The main function of the mononuclear phagocyte system is to provide

During inflammation,a high neutrophil count is a common sign of bacterial infection.

Nonspecific chemical defenses include

The membrane attack stage of the complement cascade involves

The Main Themes of Microbiology

The Chemistry of Biology

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

Bacteria and Archaea

Eukaryotic Cells and Microorganisms

An Introduction to the Viruses

Host Defenses II: Specific Immunity and Immunization

Microbial Metabolism: The Chemical Crossroads of Life

Microbial Genetics

Genetic Engineering and Recombinant Dna

Physical and Chemical Control of Microbes

Antimicrobial Treatment

Microbe-Human Interactions: Health 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