Multiple choice

The condition in which the decreased heart rate affects the pumping ability of heart is _____________.

  1. sinus venosus

  2. tachycardia

  3. bradycardia

  4. pulse deficit

  5. pulses alternans
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It is a decrease in pulse rate below 60 beats/minutes. At this rate, the heart is not able to pump enough oxygen rich blood to our body during normal activity or exercise. Physiologically, it is seen in athletes and during sleep. Pathologically, it is observed in myxoedema and in heart blocks.

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