The Inability of the Heart to Increase Its Rate Adequately

question 60

Multiple Choice

The inability of the heart to increase its rate adequately with exercise is called

• A)Inotropic reserve.
• B)Chronotropic reserve.
• C)Inotropic incompetence.
• D)Chronotropic incompetence.

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Definitions:

Posterior Deep Pectoralis Major

The deeper part of the pectoralis major muscle, situated at the back, instrumental in the movement of the shoulder and upper arm.

Superficial Pectoral

Refers to the muscles located at the front of the chest, involved in the movement of the shoulders and arms.

Sartorius

The longest muscle in the human body, running down the length of the thigh; it helps in flexing, abduction, and lateral rotation of the hip.

Gracilis

A slender muscle in the inner thigh, contributing to the adduction of the hip and flexion of the knee.