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Physio-L7 , Control of cardiac output

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MCQ

1-Cardiac output is equal to:
a) diastolic BP + 1/3(systolic BP-diastolic BP)
b) HR x SV
c) EDV-ESV
d) EDV-SV x HR
e) HR x BP

2-According to Starling's Law of the heart, cardiac output is directly related to:
a) the size of the ventricles
b) the heart rate
c) amount of blood returning to the heart
d) end-systolic volume
e) cardiac reserve

3- In a normal heart at rest the LV end-systolic volume is:
A. 10 to 30 ml
B. 50 to 70 mls
C. 120 to 150 ml
D. 80 - 100 ml

4-The indicator of myocardial contractility is..................

5-COP is measured by.............

6-Which increases COP ?
a-barbiturates
b- ischemia
c- glucagon
d- quinidine

7-the ventricles escape from the inhibitory effect of vagal stimulation
What is the name of phenomenon?

Answers

1-HR×SV
2-c
3-b
4- ejection fraction
5- Echocardiography
6-c
7- vagal escape phenomenon

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