1. NSCI 281 Final Exam
Thisis a 40-questionfinal examination.Eachquestionisworth0.25 point.
1. Plasmais____ while formedelementsare ____.
a. a bloodgas; bloodclots
b. the liquidportionof blood;the cells
c. lackinginprotein; regulatorsof bloodosmolality
d. the cellularportionof blood;acellularcomponents
e. mostlyprotein;the matrix
2. Which of the followingcell typesisanimmature redbloodcell?
a. erythrocyte
b. reticulocyte
c. thrombocyte
d. monocyte
e. leukocyte
3. Inthe plateletreleasereaction,
a. factor XIIis activated
b. ADPand thromboxanesstimulateotherplateletstobecome activated
c. activatedplateletsare connectedbyfibrinogen
d. prostaglandinproduction isinhibited
e. plateletsconverttofibrin
4. Onthe diagramof RBC production,whatdoes“A”represent?
a. increasedbloodoxygen
b. decreasedbloodoxygen
c. erythropoietin
2. d. kidney
e. redbone marrow
5. The heart
a. isa four-chamberedmuscularpump
b. isposteriortothe trachea
c. is linedwithanepitheliallayercalledepicardium
d. liesmostlytothe rightof the midlineof the sternum
e. hasa superiorapex andaninferiorbase
6. Bloodinthe superiorvenacava will enterthe _____.
a. Aorta
b. rightatrium
c. pulmonarytrunk
d. pulmonaryarteries
e. pulmonaryveins
7. Which of the followingismismatched?
a. openingof sodiumfastchannels –depolarization
b. closingof calciumslowchannels –plateauphase
c. openingof potassiumchannels –rapidrepolarization
d. closure of sodiumchannels –earlyrepolarization
e. openingof calciumslowchannels –plateauphase
8. Turbulence of bloodflowthroughthe aorticvalve wouldgive rise to
a. the firstheart sound
b. the secondheartsound
c. a heartmurmur
d. an extraheartbeat
3. e. end-systolicvolume
9. Identifystructure “A”onthe heartdiagram.
a. leftatrium
b. aorticsemilunarvalve
c. bicuspid(mitral) valve
d. rightatrium
e. pulmonarysemilunarvalve
10. Systemicbloodvesselstransportblood
a. fromthe leftventriclethroughthe bodytothe leftatrium
b. fromthe leftventricle throughthe bodytothe rightatrium
c. from the rightventricle throughthe bodytothe leftatrium
d. fromthe right ventricle throughthe bodytothe rightatrium
e. fromthe leftventricle tothe lungs
11. Veins
a. carry bloodaway fromthe heart
b. carry bloodunderveryhighpressure
c. may containvalvesandare linedwithendothelium
d. are describedasstrong,rigidvesselsthatalwayscarryoxygenatedblood
e. have thick,many layeredwalls
12. Veinsthatreturnblooddirectlytothe heartinclude the
a. brachiocephalicvein
b. superiorvenacava
c. portal vein
d. azygosvein
e. pulmonaryarteries
4. 13. Whenthe bloodpressure of avessel dropsbelow the critical closingpressureforthatvessel,
a. there ishypertension
b. there isan increase inbloodflow
c. there isan increase inperipheral resistance
d. the vessel collapses
e. the vessel expands
14. The lymphaticsystemdiffersfromthe cardiovascularsysteminthat
a. the lymphaticsystemonly carriesfluidawayfromtissues
b. the lymphaticvesselshave theirown“pump”toassistflow
c. lymphcapillariesdonotcontainanyfluid
d. lymphcapillariesallowfree movementof fluidinandoutof the capillaries
e. lymphcirculatesfluidsandcardiovasculardoesnot
15. The structure inthe thymusthat preventsforeignsubstancesfromenteringthe thymusisthe
a. thymiccorpuscle barrier
b. blood-thymicbarrier
c. surface membrane barrier
d. capsularbarrier
e. thymicfilter
16. Adaptive immunityisstimulatedby
a. Antigens
b. Histamines
c. Antibodies
d. Complement
e. plasmaproteins
17. What does“A” representonthe diagram?
5. a. spleen
b. thymus
c. axillarylymphnode
d. inguinal lymphnode
e. thoracic duct
18. Ventilationreferstothe
a. movementof airintoand outof the lungs
b. gas exchange betweenthe bloodandthe tissues
c. transportationof oxygenandcarbondioxide inthe blood
d. gas exchange betweenthe airinthe lungsandthe blood
e. respirationatthe cellularlevel
19. Arrange the followingstructuresinthe orderairpassesthroughthemduringinhalation:
1: alveolarducts
2: alveolus
3: respiratorybronchiole
4: terminal bronchiole
a. 1, 2, 3, 4
b. 2, 1, 3, 4
c. 4, 3, 1, 2
d. 3, 2, 1, 4
e. 4, 3, 2, 1
20. Most carbon dioxide istransportedinthe blood
a. inthe formof bicarbonate ions.
b. boundto carbaminocompounds.
c. dissolvedinthe plasma.
6. d. bythe leukocytes.
e. in the formof carbonicacid.
21. The diagram illustratesthe majorregulatorymechanismsof ventilation.Whatmechanismdoes“B”
represent?
a. Hering-Breuerreflex
b. receptorsfortouch,temperature,painstimuli
c. medullarychemoreceptors
d. carotidand aortic bodychemoreceptors
e. proprioceptors
22. Whichof the followingisafunctionperformedbythe digestivesystem?
a. cellularrespiration
b. foodselection
c. eliminationof undigestedfood
d. regulationof bloodpH
e. integrationandcoordinationof othersystems
23. The tongue
a. secretessaliva
b. laysa major role inswallowing
c. containsa lot of connective andlymphatictissues
d. isattachedto the hard palate
e. functionsindeglutitionapnea
24. Whichof the followingrepresentsamismatchinstomachwall structure?
a. muscularis – twolayers;bothcircular
b. rugae – foldsof mucosaand submucosa
c. mucosa – gastric glands
d. gastricpits – openontosurface of stomachmucosa
7. e. lining– simple columnarepithelium
25. Blockage of the ileocecal valve wouldprevent
a. pancreaticjuice fromenteringthe duodenum
b. bile fromenteringthe duodenum
c. lymphfromenteringthe jejunum
d. chyme fromenteringthe ileum
e. chyme from enteringthe large intestine
26. Whichof the followingapplytothe small intestine?
a. Secretionsfromthe liverandpancreasenterthisorgan
b. Segmentationcontractionsoccurinthisorgan
c. Both digestionandabsorptionoccurin thisorgan
d. Mixingandpropulsionof chyme.
e. All of these choicesapplytothe small intestine
27. The diagram illustratesanabsorptive structure inthe duodenum.Whatdoes“A”represent?
a. microvilli
b. epithelialcell
c. capillary
d. lacteal
e. villus
28. Nutritionincludesthe studyof
a. the nutrientsinfoods
b. the body’sutilizationof nutrients
c. how nutrientsplayarole inyour body’shealth
d. digestion,absorption,andtransportationof nutrients
e. All of these choicesare correct
8. 29. Excesstriglyceridesare storedinadipose tissue.Adiposetissuefunctions
a. to assistthe bodyin temperature homeostasis
b. padsand protects
c. energystorage
d. insulates
e. All of these choicesare correct
30. The energycurrencyof the cell isa molecule called
a. glucose
b. pyruvate
c. fat
d. ADP
e. ATP
31. The kidneyfunctionsin
a. preventingbloodloss
b. white bloodcell production
c. synthesisof vitaminE
d. excretionof nitrogenouswastes(suchasurea)
e. productionof the hormone aldosterone
32. The portionof the nephronthatemptiesintothe collectingductisthe
a. glomerulus.
b. ascendingloopof Henle.
c. distal convolutedtubule.
d. proximal convolutedtubule.
e. descendingloopof Henle.
32. Whichof the followingpressurestendstoforce fluidfromthe glomerulusthroughthe filtration
membrane intoBowman’scapsule?
9. a. tubularpressure
b. capsularpressure
c. colloidosmoticpressure
d. glomerularcapillarypressure
e. None of these choicesiscorrect
33. Aldosteronetargetscellsinthe
a. proximal convolutedtubule.
b. loopof Henle.
c. distal convolutedtubule.
d. glomerulus.
e. collectingduct.
33. Whichof the followingfluidcompartmentscontainsthe largestvolume of water?
a. plasma
b. interstitial compartment
c. intracellularcompartment
d. extracellularcompartment
e. lymph
36. Elevatedbloodpressureunderrestingconditionsresultsinincreasedurinaryoutputbecause
a. baroreceptorssignal the hypothalamustoincrease ADHsecretion.
b. levatedbloodpressure stimulatesreninsecretion.
c. the amount of angiotensinIIformedisincreased.
d. aldosterone levelsincrease.
e. baroreceptorssignal the hypothalamustodecrease ADHsecretion.
37. Calcitonin
a. promotesthe absorptionof calciumfromthe gastrointestinal tract.
10. b. promotesosteoclastactivityinthe bones.
c. reducescalciumexcretionbythe kidneys.
d. reducesextracellularcalciumionlevels.
e. increasesbloodcalciumlevels.
38. The locationof the testesandepididymidesinthe scrotum
a. allowsmore roomforotherorgans inthe abdominal cavity.
b. keepsthese organsclose tothe penis.
c. providesatemperature thatissuitable fornormal spermdevelopment.
d. keepsthemisolatedfromthe accessoryglandsof the system.
e. helpstoprotect them.
39. Shortlyafterovulation,
a. the granulosacellsbecome corpusluteumcells.
b. estrogenincreasesbutprogesterone decreases.
c. the level of LH risesevenmore thanbefore ovulation.
d. GnRH receptorsupregulate.
e. corpus luteumdegenerates.
40. What does“C” on the diagramrepresent?
a. vagina
b. cervix
c. uterus
d. ovary
e. uterine tube
http://www.justquestionanswer.com/viewanswer_detail/This-is-a-40-question-final-examination-Each-
question-is-wo-39087
