Ch 14 Practice Exam

8/13/2019 Ch 14 Practice Exam

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Practice Exam Ch 14

1. Components of the first line of defense include all the following exceptA. 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.

2. Nonspecific chemical defenses includeA. lysoyme.

B. lactic acid and electrolytes of sweat.

C. skin!s acidic p" and fatty acids.D. stomach hydrochloric acid.

E. All of the choices are correct.

#. $he body region where a ciliary escalator helps to sweep microbes trapped in mucus away from that body site

is theA. skin.

B. respiratory tract.

C. digesti%e tract.D. urinary tract.

E. eyes.

&. 'lasmaA. is the li(uid portion of blood in which blood cells are suspended.

B. is mostly water.C. contains albumin and globulins.

D. contains fibrinogen.E. All of the choices are correct.

). $he blood cells that particularly target parasitic worms and fungi are

A. basophils.

B. eosinophils.C. neutrophils.

D. monocytes.

E. lymphocytes.

*. $he clearance of pus+ cellular debris+ dead neutrophils+ and damaged tissue after inflammation is performed

by

A. basophils.B. eosinophils.

C. neutrophils.

D. macrophages.E. complement.


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,. $he most numerous -BC!s+ that ha%e multilobed nuclei and are %ery phagocytic are

A. basophils.B. eosinophils.

C. neutrophils.

D. monocytes.E. lymphocytes.

. -hich cell type is phagocytic and can migrate out into body tissues to differentiate into macrophages/

A. BasophilsB. Eosinophils

C. Neutrophils

D. 0onocytesE. ymphocytes

. All of the following pertain to platelets except

A. they contain hemoglobin to transport o3ygen and carbon dio3ide.

B. they are also called thrombocytes.C. they originate from giant multinucleate cells called megakaryocytes.

D. they function in blood clotting and inflammation.

E. they are not whole cells but are pieces of cells.

14. Diapedesis is the

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 %essels to stop bleeding.

E. migration of white blood cells from the blood out to the tissues.

11. 'lasma cells

A. function in cell5mediated immunity.B. are deri%ed from $5lymphocytes.

C. function in blood clotting.

D. produce and secrete antibodies.E. All of the choices are correct.

12. $he reticuloendothelial system

A. is a support network of connecti%e tissue fibers.B. originates in the cellular basal lamina.

C. pro%ides a passageway within and between tissues and organs.

D. is hea%ily populated with macrophages.

E. All of the choices are correct.

1#. -hich structures are found along lymphatic %essels but are hea%ily clustered in the armpit+ groin+ and neck/

A. ymph nodes

B. $hymusC. spleen

D. 6A$

E. $onsils


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1&. -hich gland shrinks in sie during adulthood+ and has hormones that function in maturation of $5

lymphocytes/A. ymph nodes

B. $hymus

C. spleenD. 6A$

E. $onsils

1). $he lymphoid tissues of the intestinal tract are collecti%ely referred to asA. lymph nodes.

B. thymus.

C. spleen.D. 6A$.

E. tonsils.

1*. $he four classic signs and symptoms of inflammation include all the following except

A. redness.B. warmth.

C. swelling.

D. pain.E. chills.

1,. All the following are e%ents of early inflammation except

A. macrophages appear first and begin phagocytosis.

B. chemical mediators and cytokines are released.C. brief %asoconstriction is followed by %asodilation.

D. e3udate and pus can accumulate.

E. capillaries become more permeable resulting in edema.

1. -hich is incorrectabout inflammation/A. 7t can last hours to years.

B. 'yrogens cause %asodilation and increased capillary permeability.

C. 8erotonin causes smooth muscle contraction.D. 9e%er could be beneficial to inhibiting the pathogen.

E. Basophils and mast cells release histamine.

1. -hich is mismatched/A. interferon alpha and beta 5 inhibits %iral replication

B. interleukin52 5 stimulate $ cell mitosis and B cell antibody production

C. serotonin 5 causes smooth muscle contraction

D. prostaglandins 5 acti%ate eosinophils and B cellsE. tumor necrosis factor 5 increases chemota3is and phagocytosis

24. All of the following can be recognied by toll5like receptors except

A. single5stranded %iral :NA.B. flagellin.

C. host cell membrane proteins.

D. lipoteichoic acid.E. lipopolysaccharide.


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21. $he membrane attack stage of the complement cascade in%ol%es

A. initiation of the cascade.B. production of inflammatory cytokines.

C. a ring5shaped protein digests holes in bacterial cell membranes and %irus en%elopes.

D. clea%ing of C# to yield C#a and C#b.E. C1( binds to surface receptors on a membrane.

22. 8pecificity and memory are associated with which body defense mechanism/

A. 7nflammatory responseB. 'hagocytosis by macrophages and neutrophils

C. 7nterferon

D. $ cell and B cell responsesE. Anatomical barriers in the body

2#. All of the following are types of agranulocytes because they do not ha%e prominent granules in their

cytoplasm when stained except

A. $ cells.B. B cells.

C. monocytes.

D. lymphocytes.E. basophils.

2&. Due to the way the lymph drains from lymph nodes+ cell and products of immunity continually

A. enter the regular circulatory system.

B. enter the li%er.C. enter the gastrointestinal tract.

D. enter the gall bladder.

E. enter the thymus gland.

2). $he key phagocytic cells of the body are theA. neutrophils and macrophages.

B. basophils and neutrophils.

C. eosinophils and macrophages.D. macrophages and monocytes.

E. natural killer cells.

2*. $he contribution of B cells is mainly inA. inflammation.

B. humoral immunity.

C. complement acti%ity.

D. cell mediated immunity.E. phagocytosis.

2,. 'lasma is also called lymph.

$rue 9alse


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2. 'A0's are molecules shared by many microorganisms but not present in mammals.

$rue 9alse

2. During phagocytosis+ intracellular digestion begins as soon as the phagosome is formed.

$rue 9alse

#4. Neutrophils+ eosinophils+ and basophils are called ;;;;;;;;;;;;;;;;;; because they ha%e prominentcytoplasmic granules that+ in a stained blood smear+ appear with identifying+ characteristic colors.

#1. ;;;;;;;; lymphocytes function in humoral immunity+ while ;;;;;;;;; lymphocytes function in cell5mediated immunity.

#2. Describe the cell morphology+ colors+ and percentage of the total white blood cell count for each type of

white blood cell that would be distinguished by a hematologist analying a stained blood smear.

##. Children with Di6eorge 8yndrome are born without a thymus. Discuss+ in detail+ the repercussions to body

defense mechanisms caused by this disease.

#&. Describe the physical or anatomical barriers at the following body sites+ and e3plain how they accomplish

body defense< a= eyes+ b= skin+ c= gastrointestinal tract+ d= respiratory tract+ and e= urinary tract.

#). 7f a splinter of wood were to enter the skin and introduce microorganisms to that site+ what specific earlyand late e%ents of inflammation would respond to that newly infected tissue/ Describe the se(uence of signs

and symptoms+ %ascular and tissue e%ents+ and cells and mediators in%ol%ed.


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'ractice E3am Ch 1& >ey

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2. E

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). B*. D

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12. E1#. A

1&. B1). D

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1,. A

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24. C

21. C22. D

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#4. granulocytes#1. B+ $

#2. Answers will %ary.##. Answers will %ary.

#&. Answers will %ary.#). Answers will %ary.

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Ch 14 Practice Exam