BSC 2094C MOCK EXAM A

Transcription

1 BSC 2094C MOCK EXAM A PART A: Multiple Choie True/Flse Items 1. Vriose veins re hrterized by. 1. tortuous nd irregulr diltions in superfiil veins due to inompetent vlves 2. being used by prolonged bk pressure within ffeted vessels 3. vriosities in the nl veins develop to be known s hemorrhoids 4. most ommonly seen in people who stnd or sit with rossed legs for prolonged periods. 1, 2, 3 b. 1, 3. 2, 4 d. 4 e. ll of the bove e 2. ECG n indite bnormlities in: 1. ondution system 2. hert enlrgement 3. rdi dmge 4. rdi pumb. 1, 2, 3 b. 1, 3. 2, 4 d. 4 e. ll of the bove PART B: Multiple Choie Single Item

2 3. During tril systole:. the tril pressure exeeds ventriulr pressure b. 70% of ventriulr filling ours. the AV vlves re open d. vlves prevent bk flow into the gret veins e. options nd e 4. Whih of the following represents the orret sequene of prts through whih blood moves in pssing from the ven v to the lungs?. right trium, pulmonry vlve, right ventrile, triuspid vlve b. right trium, triuspid vlve, right ventrile, pulmonry vlve. triuspid vlve, right trium, pulmonry vlve, right ventrile d. pulmonry vlve, right trium, triuspid vlve, right ventrile e. left trium, mitrl vlve, left ventrile, orti vlve b 5. Mitrl vlve prolpse is disorder to the hert in whih the mitrl vlve:. is missing s result of bnorml development b. hs n extr usp. bulges into the left trium during ventriulr relxtion d. bulges into the left trium during ventriulr ontrtion e. bulges into the right trium during ventriulr ontrtion d 6. Venous return is enhned during exerise by ll of the following EXCEPT:. inresed depth of respirtion b. pumping tion of skeletl musles. venoonstrition

3 d. redued rteriolr resistne e. n eret position e 7. Whih of the following would produe the most life thretening ondition?. tril flutter b. ventriulr flutter. tril fibrilltion d. ventriulr fibrilltion e. premture ventriulr ontrtion d 8. An ntigen is wheres n ntibody is.. foreign substne suh s protein, nd polyshride to whih lymphoytes respond; globulr protein tht rets with n ntigen to eliminte them b. immunoglobulin tht is produed by lymph nodes in response to bteri; foreign protein tht enters the body nd uses n immune retion. hpten moleule tht is quite omplited in shpe; n enzyme tht is produed by the thymus glnd to neutrlize ntigens d. equivlent to ntibioti; virus using the disese e. none of the bove 9. The ells tht re primrily responsible for immunity re:. lymphoytes nd mrophges b. neutrophils nd lymphoytes. monoytes nd mrophges d. monoytes nd lymphoytes e. pltelets nd mrophges

4 10. Exmintion of Mr. Cumings, mn in his 60's, revel BP of 140/120 mmhg:. pulse pressure is 20 mmhg b. pulse pressure is 260 mmhg. low pulse pressure indites loss of elstiity of blood vessels d. high pulse pressure indites gin of elstiity of blood vessels e. options nd re orret nswers e 11. The Brinbridge reflex inreses hert rte nd fore of ontrtion in response to:. inresed blood visosity b. deresed O 2 onentrtion in the rotid sinus. inresed CO 2 onentrtion in the ort d. inresed venous pressure e. ll of the bove d 12. Coolness of skin ouring s symptom of irultory shok results from:. redued blood flow to thermoregultory enters in the hypothlmus b. slower blood flow through vessels in the skin, thus reduing frition. symptheti stimultion using vsoonstrition in the skin d. filure of oxygen - requiring metboli retions tht generte het e. het loss through skin pores tht widens when blood flow is redued 13. Blood flows from the ephli vein into the:

5 . bsili vein b. medin ubitl vein. brhioephli vein d. xillry vein e. internl jugulr vein d 14. Kertin provides protetion by:. providing mehnil brrier in skin b. ting s hemil ttrtnt for mrophges. using diret lysis of bteri d. inresing the rte t whih ntibodies re produed e. tivting killer T-ells 15. A trnsplnt of tissue between individuls of sme speies, but with different geneti bkgrounds is lled (n):. utogrft b. isogrft. llogrft d. xenogrft e. homeogrft

6 16. Whih person most likely hs the lrgest thymus glnd?. fetus b. 2-yer-old. 12-yer-old d. 25-yer-old e. 65-yer-old 17. Reeiving n immuniztion with n ltered form of the tetnus toxin results in:. nturlly quired tive immunity b. nturlly quired pssive immunity. rtifiilly quired tive immunity d. rtifiilly quired pssive immunity e. no response, beuse ltered toxins nnot t s ntigens 18. The proess of oting n ntigeni mirobe with ntibodies to mke it more suseptible to phgoytosis is lled:. hemotxis b. opsoniztion. loning d. nergy e. inflmmtion b 19. Lymph pillries re different from blood pillries beuse they:. re mde of endothelium b. re not mirosopi. re more permeble

7 d. do not trnsport ny formed elements (like ftty ids) e. re more likely to develop holesterol plques 20. The role of suppressor T ells is:. to hold the ntigen ginst blood vessel wll s the killer T ell does its job b. to shut down the immune response fter the pthogen hs been destroyed. to keep you from hving n immune response to your own tissues d. to reset the thermo regultory ells in the hypothlmus to restore norml body temp fter fever hs developed e. there is no known role b 21. Tehing lymphoytes to reognize self from non-self ntigens is the funtion of the:. plsm ell b. spleen. thymus d. mrophge e. liver PART C: Mthing Questions Right sublvin rtery. ort b b. brhioephli trunk

8 23. Left sublvin rtery. gret sphenous vein d. xillry rtery 24. Brhil rtery e. superior ven v d 25. Azygos vein e 26. Femorl vein

9 PART D: True/Flse 27. Crdi output is lulted by multiplying the stroke volume by the systoli blood pressure.. true b. flse b 28. Blood flow through pillry is ontrolled by prepillry sphinter whih opens or loses due to the demnds of the ells supplied by the pillry.. true b. flse 29. Bleeding from n mputted upper extremity t the shoulder, the pressure point would be the sublvin rtery behind the lvile t the midlviulr line.. true b. flse 30. The term ANERGY refers to filure of self-retive lymphoyte to respond to ntigeni stimultion.. true b. flse

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