Question 1

Which is incorrect about complement?

Accepted Answer

A)  Complement is composed of at least 26 blood proteins. 
B)  Complement proteins only appear in the blood during a response to a pathogen. 
C)  The complement system acts in a cascade reaction. 
D)  Activation of complement can involve a classical pathway. 
E)  Activation of complement can involve an alternate pathway. 
A)  Complement is composed of at least 26 blood proteins. 
B)  Complement proteins only appear in the blood during a response to a pathogen. 
C)  The complement system acts in a cascade reaction. 
D)  Activation of complement can involve a classical pathway. 
E)  Activation of complement can involve an alternate pathway. B

Question 2

Which is incorrect about inflammation?

Accepted Answer

A)  It can last hours to years. 
B)  Pyrogens cause vasodilation and increased capillary permeability. 
C)  Serotonin causes smooth muscle contraction. 
D)  Fever could be beneficial to inhibiting the pathogen. 
E)  Basophils and mast cells release histamine. 
A)  It can last hours to years. 
B)  Pyrogens cause vasodilation and increased capillary permeability. 
C)  Serotonin causes smooth muscle contraction. 
D)  Fever could be beneficial to inhibiting the pathogen. 
E)  Basophils and mast cells release histamine. B

Question 3

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. E

Question 4

PAMPs are molecules shared by many microorganisms but not present in mammals.

Accepted Answer

A) True 
 B)False

Question 5

The four classic signs and symptoms of inflammation include all 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 6

Complement proteins are produced by the spleen.

Accepted Answer

A) True 
 B)False

Question 7

An individual has been born with Kartagener's syndrome, a disorder of microtubules that impairs the motion of cilia and flagella. What type of infections would you predict would be most common in this individual?

Accepted Answer

A)  respiratory 
B)  oral 
C)  gastric 
D)  uterine 
A)  respiratory 
B)  oral 
C)  gastric 
D)  uterine

Question 8

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 9

Certain complement components stimulate inflammation and phagocytosis.

Accepted Answer

A) True 
 B)False

Question 10

Children with DiGeorge Syndrome are born without a thymus. Discuss, in detail, the repercussions to body defense mechanisms caused by this disease.

Accepted Answer

DiGeorge Syndrome is a genetic disorder

Question 11

The blood cells that particularly target parasitic worms and fungi are

Accepted Answer

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

Question 12

Pla 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. 
E)  All of these choices are correct. 
A)  function in cell-mediated immunity. 
B)  are derived from T-lymphocytes. 
C)  function in blood clotting. 
D)  produce and secrete antibodies. 
E)  All of these choices are correct.

Question 13

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

Accepted Answer

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

Question 14

Endotoxin is an exogenous pyrogen.

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

The answer of A person will typically experience the sensation...

Question 16

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

Accepted Answer

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

Question 17

Maria was scratched on her arm by her cat and the site is experiencing rubor. 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

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 19

Which 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

Question 20

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.

Exam 14: An Introduction to Host Defenses and Innate Immunities

Which is incorrect about complement?

Which is incorrect about inflammation?

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

PAMPs are molecules shared by many microorganisms but not present in mammals.

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

Complement proteins are produced by the spleen.

An individual has been born with Kartagener's syndrome, a disorder of microtubules that impairs the motion of cilia and flagella. What type of infections would you predict would be most common in this individual?

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

Certain complement components stimulate inflammation and phagocytosis.

Children with DiGeorge Syndrome are born without a thymus. Discuss, in detail, the repercussions to body defense mechanisms caused by this disease.

The blood cells that particularly target parasitic worms and fungi are

Pla cells

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

Endotoxin is an exogenous pyrogen.

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

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

Maria was scratched on her arm by her cat and the site is experiencing rubor. This means

Histamine, serotonin, and bradykinin are all

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

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

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

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