Question 1

The body region where a ciliary escalator helps to sweep microbes trapped in mucus away from that body site is the ______.

Accepted Answer

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

Question 2

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

Accepted Answer

A)   primary phagocytes
B)   killer T cells
C)   cytotoxic T cells
D)   neutrophils
E)   macrophagesF) A) and D)
G) B) and C)

Question 3

Monocytes and lymphocytes are agranular leukocytes.

Accepted Answer

A) True 
 B)False

Question 4

You have severe itching problems when bitten by an insect. Your friend gives you an ointment to spread on your skin around the bite so that the redness and itching do not bother you. The likely mechanism of this medication would be ______.

Accepted Answer

A)   the inhibition of lysozyme
B)   the inactivation of neutrophils
C)   the destruction of phagocytic cells
D)   to act as an antagonist of histamineE) B) and D)
F) C) and D)

Question 5

Plasma is also called lymph.

Accepted Answer

A) True 
 B)False

Question 6

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)   LymphocytesF) B) and E)
G) D) and E)

Question 7

Which of the following is not a type of phagocyte?

Accepted Answer

A)   Lymphocyte
B)   Macrophage
C)   Neutrophil
D)   Monocyte
E)   Kupffer cellF) B) and C)
G) None of the above

Question 8

All of the following pertain to platelets, except ______.

Accepted Answer

A)   they are not whole cells but are pieces of cells
B)   they originate from giant multinucleate cells called megakaryocytes
C)   they function in blood clotting and inﬂammation
D)   they contain hemoglobin to transport oxygen and carbon dioxide
E)   they function primarily in hemostasisF) A) and E)
G) None of the above

Question 9

Each of the following are beneﬁts of fever except ______.

Accepted Answer

A)   it stimulates hematopoiesis
B)   it increases the availability of iron
C)   it increases metabolism
D)   it reduces the ability of temperature-sensitive organisms to multiply
E)   it increases phagocytosisF) C) and D)
G) B) and E)

Question 10

A properly functioning immune system is responsible for ______.

Accepted Answer

A)   surveillance of the body
B)   recognition of foreign material
C)   destruction of foreign material
D)   All of the choices are correct.E) C) and D)
F) A) and D)

Question 11

Genetic markers that distinguish a self cell from a foreign invader are typically ______.

Accepted Answer

A)   polysaccharides
B)   DNA or RNA
C)   proteins or glycoproteins
D)   lipids or lipoproteinsE) C) and D)
F) B) and C)

Question 12

Interferons do not protect the cell that secretes them.

Accepted Answer

A) True 
 B)False

Question 13

Your 81-year-old grandfather has been diagnosed with cancer of the thymus. The doctor is urging surgical removal of the cancer, but you and the family are worried about the consequences of removing an entire organ such as the thymus. Which statement is correct?

Accepted Answer

A)   Your grandfather would not be able to produce complement proteins necessary for pathogen control and in?ammation.
B)   Your grandfather will have a loss of T lymphocytes and will have an immune de?ciency.
C)   Your grandfather would not have su?cient phagocytic cells and would not be able to contain bacterial infections.
D)   There is nothing to worry about; thymus removal will not affect your grandfather's immune status at his age.E) A) and D)
F) A) and C)

Question 14

All of the following are granulocytes except _____.

Accepted Answer

A)   neutrophils
B)   eosinophils
C)   lymphocytes
D)   basophils
E)   All of the choices are granulocytes.F) B) and C)
G) A) and E)

Question 15

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

Accepted Answer

A)   hydrochloric acid
B)   histamine
C)   bile
D)   lactic acid
E)   lysozymeF) A) and B)
G) B) and D) E

Question 16

Humoral immunity involves ______, while _____ function in cell-mediated immunity.

Accepted Answer

A)   B cells; T cells
B)   B cells; neutrophils
C)   basophils; T cells
D)   T cells; B cells
E)   monocytes; basophilsF) A) and B)
G) A) and C) A

Question 17

Certain complement components stimulate inﬂammation and phagocytosis.

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

A)   swelling
B)   warmth
C)   pain
D)   redness
E)   chillsF) A) and B)
G) B) and C) E

Question 19

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

Accepted Answer

A)   the thymus
B)   tonsils
C)   lymph nodes
D)   GALT
E)   the spleenF) A) and E)
G) C) and E)

Question 20

The second line of defense includes inﬂammation, phagocytosis, fever, and antimicrobial proteins.

Accepted Answer

A) True 
 B)False

Exam 14: Host Defenses I: Overview and Nonspecific Defenses

The body region where a ciliary escalator helps to sweep microbes trapped in mucus away from that body site is the ______.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Monocytes and lymphocytes are agranular leukocytes.

Correct AnswerverifiedShow Answer

You have severe itching problems when bitten by an insect. Your friend gives you an ointment to spread on your skin around the bite so that the redness and itching do not bother you. The likely mechanism of this medication would be ______.

Correct AnswerverifiedShow Answer

Plasma is also called lymph.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is not a type of phagocyte?

Correct AnswerverifiedShow Answer

All of the following pertain to platelets, except ______.

Correct AnswerverifiedShow Answer

Each of the following are beneﬁts of fever except ______.

Correct AnswerverifiedShow Answer

A properly functioning immune system is responsible for ______.

Correct AnswerverifiedShow Answer

Genetic markers that distinguish a self cell from a foreign invader are typically ______.

Correct AnswerverifiedShow Answer

Interferons do not protect the cell that secretes them.

Correct AnswerverifiedShow Answer

Your 81-year-old grandfather has been diagnosed with cancer of the thymus. The doctor is urging surgical removal of the cancer, but you and the family are worried about the consequences of removing an entire organ such as the thymus. Which statement is correct?

Correct AnswerverifiedShow Answer

All of the following are granulocytes except _____.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedE

Humoral immunity involves ______, while _____ function in cell-mediated immunity.

Correct AnswerverifiedA

Certain complement components stimulate inﬂammation and phagocytosis.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedE

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

Correct AnswerverifiedShow Answer

The second line of defense includes inﬂammation, phagocytosis, fever, and antimicrobial proteins.

Correct AnswerverifiedShow Answer

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E

Humoral immunity involves __, while _ function in cell-mediated immunity.

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A

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E

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