Examples of MCQs on human physiology with their answers

Admin عدد المساهمات : 9696 تاريخ التسجيل : 06/08/2009

1- which of the follwing clottinbg factor isn part of the common pathway of blood clotting
a-VII
b-XIII
c-V
d-IX
e-XI

2- which of the following is the cause of hyperventation at high attitude
a-hypercapnia
b-hypocapnia
c-hypoxia
d-alkalosis
e-acidosis

3- the wave of ECG are normally inverted in which of the following leads
a-aVR
b-aVF
c-avL
b-II
e-III

4-All the cardiac valve are closed during which of the following phases of the cardiac cycle
a-atrial systol
b-isometric contration phase
c-maximum ejection phase
d-reduced ejection phase
e-Rapid filling phase

5- the length of P-R interval in the ECG best correlates whith which if the following
a-delay in AV node
b- Delay in bundle of his
c- delay in right bundle branch
d-delay in left bundle branch
e- delay in purkinji fibers

Admin عدد المساهمات : 9696 تاريخ التسجيل : 06/08/2009

Answers

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Admin عدد المساهمات : 9696 تاريخ التسجيل : 06/08/2009

1- Reabsorption of sodium in the distal tubules of the kidney will be increased in which of the following plasma constituents
a-K
b-Ca
c-H
d- Glucose
e-albumin

2- An increase in which of the following hormone is responsible to postpartum amenorrhea
a-oxytocin
b-prolactin
c-Estrogen
d- prostaglndin
e-FSH

3- Which of the following will be increased in obstructive not restrictive disease ?
a-FEV1
b- vital capacity
c- Respiratory rate
d- functional residual capacity
e- maximum breathing capacity

Admin عدد المساهمات : 9696 تاريخ التسجيل : 06/08/2009

Answer key

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