Perfusion Physiology/ Technology/ Clinical Perfusion

The current CPB circuit mimics circulation in which of the following animals?
a) fish
b) frog
c) bird
d) crocodile
Which of the following events is least likely during CPB in a patient with atherosclerotic cardio vascular disease?
a) decreased urine out put
b) high perfusion pressure
c) large left heart return
d) impaired cerebral perfusion
During VSD closure, the left heart can be vented through all of the following, except,
a) aortic root
b) inter atrial septum
c) right superior pulmonary vein
d) through VSD
The ideal placement of venous cannula passed through femoral vein for a MICS MVR is
a) till Supra renal IVC
b) at IVC RA junction
c) in RA through IVC
d) in SVC through RA, IVC
Which of the following conditions does not require a circulatory support in any form?
a) ascending aortic aneurysm
b) thoracic aortic aneurysm
c) thoracoabdominal aortic aneurysm
d) infrarenal aortic aneurysm
Left SVC is managed by temporary ligation during CPB if
a) right SVC is large
b) the pressure of right SVC is normal after ligation of L SVC
c) the bridging innominate vein is large
d) the venous return is unaffected after ligation of L SVC
Femoral vein cannulation is indicated in which of the following conditions?
a) RA myxoma
b) LA myxoma
c) TS with TR
d) tumour of RV
On CPB, ECG tracing on monitor becomes a ‘straight line’
a) on full bypass
b) on core cooling to 320 C
c) on core cooling to 280 C
d) after delivery of cold blood cardioplegia
Partial pressure of CO2 in atmospheric air, at sea level is
a) 30 – 40 mm of Hg
b) 20 – 30 mm of Hg
c) 10 – 20 mm of Hg
d) < 1 mm of Hg
 
Which of the following factors does not increase ultrafiltration?
a) increasing pressure on the inlet of the ultrafilter
b) occluding the outlet of ultrafilter
c) reducing vacuum pressure
d) increasing blood flow through filter
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