Noradrenaline accelerates the beating of heart by:

Circulatory System Physiology Mcqs
BILAL KHATTAK0

A.Increasing the discharge rate of SA-node
B.Increasing the rate of conduction of excitability in various parts of the heart
C.Increasing the force with which the cardiac muscles contract
D.By bringing all these changes

Related Mcqs:

  1. Acetylcholine retards the rate of heart beating by:
  2. Pace-maker in heart of man influences:
  3. Which of these structures is respobsible for conducting heart beat in rabbit’s heart:
  4. Heart beat in man is initiated by:
  5. P-wave in electrocardiogram is produced by:
  6. Node of Tawara in rabbit’s heart is:
  7. Principle pacemaker in mammalian heart is:
  8. Electrocardiogram is:
  9. Which of these are conducting elements in the heart of mammals:
  10. If a person is given an injection of noradrenaline, then his heart would show:

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