AIIMS2014Zoology-Human Physiology
AIIMS 2014 Zoology Human Physiology MCQ Question
Type: MCQ-conceptual-Medium-Class 11
In which one of the following pairs, the two items mean the same thing?
A
Haemophilia—Blood cancer
B
SA-node—Pacemaker
C
Malleus—Anuil
D
Leucocytes—Lymphocytes
Correct Answer
Option B
Detailed Explanation
The correct answer is B) SA-node—Pacemaker because the SA-node, or sinoatrial node, is a specialized group of cells in the heart that generates electrical impulses, effectively acting as the heart's natural pacemaker. In this context, both terms refer to the same physiological function of regulating the heartbeat, making them synonymous.
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