Question 1

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 2

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.

Question 3

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. B

Question 4

The blood cells that particularly target parasitic worms and fungi are

Accepted Answer

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

Question 5

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.

Question 6

Certain complement components stimulate inflammation and phagocytosis.

Accepted Answer

A) True 
 B)False

Question 7

Endotoxin is an exogenous pyrogen.

Accepted Answer

A) True 
 B)False

Question 8

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 9

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

Question 10

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. E

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

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 13

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. B

Question 14

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

Question 15

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.

Question 16

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

Question 17

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.

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.

Question 19

Complement proteins are produced by the spleen.

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

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

Exam 14: An Introduction to Host Defenses and Innate Immunities

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

Correct AnswerAnswered by ExamLex AIDiGeorge Syndrome is a genetic disorder ...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

Which is incorrect about inflammation?

Correct AnswerverifiedB

The blood cells that particularly target parasitic worms and fungi are

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Certain complement components stimulate inflammation and phagocytosis.

Correct AnswerverifiedShow Answer

Endotoxin is an exogenous pyrogen.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedE

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which is incorrect about complement?

Correct AnswerverifiedB

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Pla cells

Correct AnswerverifiedShow Answer

Histamine, serotonin, and bradykinin are all

Correct AnswerverifiedShow Answer

Complement proteins are produced by the spleen.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
Answered by ExamLex AI
DiGeorge Syndrome is a genetic disorder ...
View Answer

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B

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E

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B

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