NURS 5315 Test 2 Elselvier QUESTIONs/ANSWERS AND EXPLANATIONS LATEST UPDATE A+
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NURS 5315
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NURS 5315
Chapter 7 Innate Immunity Questions
1. 1.ID: 80
Which of the following is an example of a physical barrier?
A. Antibacterial fatty acids
B. Lysozymes in tears
C. Epithelial cells Correct
Epithelial cells form tight junctions that are a physical barrier to entry for organisms.
Sebaceous gland...
chapter 7 innate immunity questions 1 1id 18662104380 which of the following is an example of a physical barrier a antibacterial fatty acids b lysozymes in tears c epithelial cells correct epit
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Chapter 7 Innate Immunity Questions
I I I I
1. 1.ID: I 18662104380
Which I of Ithe Ifollowing I is I an I example I of I a I physical I barrier?
A. Antibacterial Ifatty Iacids
B. Lysozymes Iin Itears
C. Epithelial I cells I Correct
Epithelial Icells Iform Itight Ijunctions Ithat Iare Ia Iphysical Ibarrier Ito Ientry Ifor Iorganisms.
ISebaceous I glands I in I the I skin I secrete I antibacterial I and I antifungal I fatty I acids. I Earwax
D. Earwax
Awarded I 0.0 Ipoints Iout I of I1.0 Ipossible Ipoints.
2. 2.ID: I 18662104374
Which I statement I is I true I regarding I the I inflammatory I response?
A. Inflammatory Iresponse Iis Ithe Ithird Iline Iof Idefense.
B. Inflammatory I response I relies I on I cellular I components I only
C. Inflammatory I response I generates I a I nonspecific I response. I CorrectIThe
Iinflammatory Iresponse Iis I the Isecond Iline Iof Idefense. IIt Ioccurs Iat Ithe Isite Iof Itissue
I injury Iand I generates I a I nonspecific Iresponse I that I involves I cellular I and Ichemical
I components. I The I inflammatory I response I occurs I in I tissues I with I a I blood Isupply
I(vascularized).
D. Inflammatory I response I occurs I in I nonvascular
I tissue.IAwarded I0.0 Ipoints Iout Iof I1.0 Ipossible Ipoints.
3. 3.ID: I 18662104392
Which I complement I factor I is I considered I an I anaphylatoxin?
A. C3a I Correct
C3a, I C5a, I and I C4a I are I anaphylatoxins. I They I can I induce I the I rapid I degranulation I of
Imast Icells Iand Ithe Irelease Iof Ihistamine.
B. C1
C. C7
D. C9
Awarded I 1.0 Ipoints Iout I of I1.0 Ipossible Ipoints.
4. 4.ID: I 18662104398
Which Ireceptor Iis Iexpressed Ion Imacrophages Iand Ifacilitates Irecognition IandIphagocytosis
Iof Ibacterial Ipathogens?
A. Complement I receptors
B. Scavenger Ireceptors ICorrect
The I scavenger I receptors I are I primarily I expressed I on I macrophages I and I facilitate
Irecognition I and I phagocytosis I of I bacterial I pathogens. I Complement I receptors
Irecognize I a I variety I of Ifragments I produced I through I activation I of I the I complement
Imast, I neutrophils, I macrophages, I dendritic I cells, Iand I lymphocytes. I They Irecognize
, pathogen-associated I molecular I patterns I or Istressed I host I cells. IPattern I recognition
Ireceptors I recognize I patterns I of Iinfectious Imolecules. I These I receptors I are Ifound Ion
Icells Iinvolved Iin Iinnate Iresistance.
C. Toll-like Ireceptors
D. Pattern Irecognition Ireceptors
IAwarded I0.0 Ipoints Iout Iof I1.0 Ipossible Ipoints.
5. 5.ID: I 18662104390
Which I statement I regarding I mast I cells I is I true?
A. Histamine I causes I vasoconstriction.
B. Mast I cells I are I found I only I in I blood I vessels.
C. Snake I bites, I bee I venoms, I and I toxins I may I cause I activation. I Correct IA Inumber Iof
Ithings Icause Ithe Iactivation I of Imast Icells, Iincluding Iphysical Iinjury, Ichemical I agents
I (including I toxins, I bee I venom, I and I snake I bites), I immunologic Imeans, I and
I activation I of I an I inflammatory I response. I Histamine I is I released I from I mastIcells I and
I causes I vasodilation. I Mast I cells I are I found I in I loose I connective I tissue I close I toIblood
6. 6.ID: I 18662104394
Which Iterm Idescribes Ian Iacidic Isulfur-containing Ilipid Ithat Iproduces Ieffects Isimilar Ito
Ihistamine?
A. Leukotriene ICorrect
Leukotrienes Iact I similar I to I histamine I and Icause Ismooth I muscle I contraction,
Iincreased I vascular I permeability, I and I chemotaxis. I Prostaglandins I cause I increased
Ivascular I permeability, I chemotaxis, I and I pain. IAdhesion I molecules I increase I the
Istickiness I between I cells. I Phagocyte I cells I ingest I and I dispose I of I foreign I material.
B. Prostaglandin
C. Adhesion I molecule
D. Phagocyte
Awarded I 0.0 Ipoints Iout I of I1.0 Ipossible Ipoints.
7. 7.ID: I 18662104376
Which I statement I is I true I regarding I neutrophils?
A. Neutrophils Iare Iagranular.
B. Neutrophils I are I the I predominant I phagocytes I of I earlyIinflammation.
I Correct
Neutrophils Iare I the Ipredominant Iphagocytes Iof Iearly Iinflammation. IThey Iarrive
Ibefore I lymphocytes I and I macrophages. I Monocytes I are I the I largest I blood I cells I and
I areIgranular.
C. Neutrophils Iare Ithe Ilargest Iblood Icells.
D. Neutrophils Ienter Ithe Isite Iof Iinjury Iafter Ilymphocytes IandImacrophages.
Awarded I 1.0 Ipoints Iout I of I1.0 Ipossible Ipoints.
8. 8.ID: I 18662104700
, What Ibiochemical Imessenger Iis Iproduced Iby Imacrophages Iand Ilymphocytes IinIresponse
Ito Ia Ibacterial Ipathogen?
A. Interleukins ICorrect
Interleukins I are I biochemical I messengers Iproduced I by I macrophages I and
Ilymphocytes I in Iresponse Ito Ia Ibacterial Ipathogen. IInterferons Iprimarily Iprotect
Iagainst I viral I infections. I Chemokines I induce I leukocyte I chemotaxis. I Tumor I necrosis
Ifactor, Iproduced Iby Imacrophages I and I lymphocytes, Iinduces I a I multitude I of
B. Interferons
C. Chemokines
D. Tumor Inecrosis Ifactor
IAwarded I 0.0 Ipoints I out I of I1.0 I possible Ipoints.
9. 9.ID: I 18662104384
Chronic I inflammation I is I characterized I by I a(an)
A. lack I of I giant I cells.
B. absence I of I exudate.
C. dense I infiltrate I of I lymphocytes I and I macrophages. I Correct IChronic
I inflammation I is I characterized I by I a Idense I infiltrate I of I lymphocytes I and
Imacrophages. IGiant Icells Iare Imultinucleated Icells Ithat Iare Iformed I by Ifused
10. 10.ID: I 18662104386
Which I are I not I natural I barriers?
A. Physical
B. Resistance ICorrect
Resistance I is I a I means I by Iwhich I the I body I may Iavoid I being I infected, I but I it Iis I not I a
Inatural Ibarrier. IThe Inatural Ibarriers Iinclude Iphysical, Ibiochemical, Iand Imechanical,Ias
C. Biochemical
D. Mechanical
Awarded I 1.0 Ipoints Iout I of I1.0 Ipossible Ipoints.
11. 11.ID: I 18662104388
Which I characteristics I are I observable I of Ivascular I injury I and I inflammation? I (Select I all
Ithat Iapply.)
A. Redness I Correct
B. Coolness I to I the I touch
C. Warmth I to I the I touch I Correct
D. Increased Iswelling ICorrect
E. Pain ICorrect
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