The Main Function of the AV Node Is to

question 70

Multiple Choice

The main function of the AV node is to

• A) initiate the heartbeat.
• B) set the rhythm of the heartbeat.
• C) relay the signal for the heart to contract from the right ventricle to the right atrium.
• D) relay a signal for the ventricles to contract.

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Definitions:

Thyroid Gland

A butterfly-shaped gland located in the front part of the neck that produces thyroid hormones, which regulate the body's metabolism, energy, and growth.

Follicles

Follicles are small sacs within the ovaries in females or hair follicles in the skin, involved in oocyte development or hair growth.

Parathyroid Glands

Small endocrine glands in the neck that produce parathyroid hormone (PTH), which regulates calcium levels in the blood and bone metabolism.

Spherical Follicles

Round-shaped structures, especially those found in the ovary that contain immature eggs in females.