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Pre-Clinical Physiology Questions

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Doc:aar:
Question 3:-
in ECG , which of the following represents when atrial and ventricular are relaxed
 
    A)-PR interval
    B)-TP segment
    C)-ST segment
    D)-PR segment
    E)-QT interval

Abdullahi!:
The ECG shows atrial systole. This is called a P-wave. Then ventricular systole happens. This is called the QRS or QRS-complex. It is called a complex because there are three different waves in it. The Q-wave, R-wave, and S-wave. Then the ECG shows ventricular diastole. This is called the T-wave. Atrial diastole happens then too. But it is not seen separate from ventricular diastole, so it's TP segment (B).

Doc:aar:
 thank you abdullahi .. (B) is the correct answer ..so  you get it right

Abdullahi!:
Question 4:-
A baby is born to a parents with blood group [B(-)], the baby's blood group may be:

a) A (+)
b) A (-)
c) AB
d) O (+)
e) O (-)

Dr.Adnan:
I am definatly not sure of this answer but I think it is option E.
Because the child have 1/4 probability to get O blood group other 3/4 being B blood group. That is if both parent are B negative.

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