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2005_Cardio - 1 Fri-t“ 13““ l we of the following...

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Unformatted text preview: 1.: Fri-t“ 13““ ' l. we]: of the following statements about the heart is true‘iII ,af' Contraetions are initiated by a series of nation potentials that originate in the ‘1 autonomic nerve supva to the heart (hi Tim wave of depolarization is eondueted fip_rer one entirgi le eell to another 45:” VentrrEfilar eontraetron annuallyr vfiufi[email protected]—rffiglr§$imflw n 5 a, I)“ _ d. None of the shave - '— i'i-rfl.fl 1-.” Ci" 1 A Standard ECG consists of limb and chest Ieada The direction of the normal defleetiuns of the wave of depolarization are not the same in all leads heeause: f far“ it depends on the sea of the subjeet .h. __ -- " ' [if some leads are improperly planed e1 the depolarization of the heart ean take a lot of different pathways Cd) each lead is measuring the signal fine] a different position with respect to the heart e. none of the air-eve 3. lfthe end-diastolic ventricular volumes are inereased {within physiologic: snare): , aIP/the stroke volume would be increased a" _ I W ”1 L I: 1" .fi " b. eardiae output would be deereasedyr f ' ”*7- " ” ' ’ e. venous pressure would he deereased d. the force of eardiae eontraetion would be decrease-1’ e. the output of the left ventriele would erreeed the output of the right ventrieler* Use the infonnation in the diagram below to answer question # 4 4. Choose the eorreet answer from the ehoiees above -e"'-'~""'-. La: ___.-‘II‘ represems an aetion potential in the left ventrieie ’ filer, ‘Ifl‘ represents an aetien potential in the right atria e; ‘1’ represents a pacemaker potential Let/None of the above Us: the diagram belnw tn answtr quesfiun 5+ 5. The: structurmfis} representfld by ‘1 1‘ represem': a. The right vent-in}: b. Papillary musclfis) :3. Bundle nf His {:3} Putkjnjc film 3. None: {if 111: abuve Us: the diagram beluwtn answar quesfinn'fi and T. an NIH. AVF ii AVL II Iiireetiens: Questiens 3-12 are either True er false. Biaekea the appropriate space an the answer sheet: untrue; b=false E. Sympathefie sfimalatiea increases the sippe ef ihfldgpoljmfiflflfl ‘E'fljlfifieni fifthfisa nede: u—-————" ._.._._.. IE. True 1:. False |—-\.._m. _._- s.“ _. "H r" fflmTru-a h. False 12. The Allen test presides a memesfqfielaieseag jugpisr vein seaside? a; a. True w’lfiflFaTe—ew' T.“ l""---—__..— a—-' _o- Use the diagram belew te answer question 13 and 14 13. The small pressure increase firm: *5? te- i915 eaused by: .- 3.35m mereeee in the eentreetility 0f the ventricle _. @flial centractifln e, Sympathetic nerve sfimuletien :d-r‘Hene ufthe abave _ 1 14 During the mfllumeflie mflmfien Ehase Ell-2'11; gaming eggs. the A: V valves are and the eta-rue and puhnenje valves. are— a- Openmpen ":FHD 3‘ b. Open; closed HM 'flesed; epen d. Cieeed; elused am) "2.- _.—»-"""' I.) ac a W01 m WWW HFL " ”1111 rich, v . Ilia Fick principle can bc uacd tc clinically.r mcaaurc cardiac cumin if all cf tlic fcllcwing uca arc Icicwn: mthc amclmt 1:1ch gcn in EEircd firflfi'fld flcw thrcugh_JE“liggL.u_i " - : . u'fi'flfi? cxygcn in expircd air; blgafifiw thmugh 1h: systemic circulatiflfl; thc . __.__.-1- -- _ . ._--m.-_-._._ . ma flcw thrcugh thc hcart; blccd flcw thrcugh thc lungs (d/figamcuutcfcxygcnincxpircdairmcaamcd cvcrapcricdcftimc @1113 amcrnnt cf cwnrcdairmcaamcfinm_wqflc£figmg the {133*ch content 111‘ SWMLWHMM; magma Faciafiafthc 11111113 111"_ 1i_1_11_11'aht 11‘5- Wflflflm 1:111: and 11111111135 ~-*' 9mm 1: FL. 5:; Ir 1- faf'fvliflal, Tricuapid, clcac c: - h. Acrtic, Pulmcnic, clcac fijfiflfll. Tricuapid. cpcn m L _,. -- ” d. Aortic , Pulmcriic cpcn 4,, . nccfthcahcvc h_c¥.«.lq;r',r“1c..- 1T. Tctanua in thc heart is act pcaaiblc becauac: WWW ‘irl- the-hm __m___ mamaawufiflafiiaafira cappcn-mgminéaaonaaccm' m c. 11a ' ' a WWW .Wm afafififl'flifihcart Im rcfractcry pcricd cf flic cardiac actica pctcrrtial lasts aimcat as lcng as the duraticn flaw ccnlracncn ...
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