1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of
A
atrioventricular bundle
B
Purkinje system
C
sinuatrial node
D
atrioventricular node.
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Bundle of His is a network of
A
muscle fibres distributed throughout the heart walls
B
muscle fibres found only in the ventricle wall
C
nerve fibres distributed in ventricles
D
nerve fibres found throughout the heart.
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which of the following statements is true for lymph?
A
WBC + serum
B
Blood $$-$$ RBCs and some proteins
C
RBCs + WBCs + plasma
D
RBCs + proteins + platelets
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Impulse of heart beat originates from
A
SA node
B
AV node
C
vagus nerve
D
cardiac nerve
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