Home
Class 12
BIOLOGY
Assertion : The AV node is also called a...

Assertion : The AV node is also called as the pacemaker of the heart.
Reasoning : It is because of the fact that the AV node determines the rate of heartbeat.

A

If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.

B

If both Assertion and Reason are true, but the Reason is not the correct explanation of the Assertion.

C

If Assertion is true, but Reason is false.

D

If both Assertion and Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • BODY FLUIDS AND CIRCULATIONS

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES (Choose the correct option)|30 Videos
  • BODY FLUIDS AND CIRCULATIONS

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES (Choose the correct option)|30 Videos
  • BIOTECHNOLOGY:PRINCIPLES AND PROCESSES

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES (Choose the correct option)|33 Videos
  • ECOSYSTEM

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES (CHOOSE THE CORRECT OPTION)|41 Videos

Similar Questions

Explore conceptually related problems

SA node is called the pacemaker of the heart because

SA node acts as a pacemaker of the heart because of the fact that it

SA node acts as a pacemaker of the heart because it

Sino-atrial node is called the pacemaker of our heart. Why?

Assertion : Though AV node generates impulses, it is still not called as the pacemaker of heart. Reason : The rythmicity of impulse production is not highest in AV node in the neuromuscular conduction pathway.

Atrioventricular node is natural pacemaker of heart.

Most suitable reason why SA node act as pacemaker for heart.

Assertion : Competitive inhibitor is also called as substrate analogue. Reason : It resembles the enzymes in structure.

Assertion : An artificial pacemaker can replace the SA node of heart. Reasoning : This is because an artificial pacemaker is capable of stimulating the heart electrically to maintain its beats.

Assertion : The sino-atrial node (SAN) is called the pacemaker. Reason : SAN is responsible for initiating and maintaining the rhythmic contractile activity of the heart.