The Heart Has to Be Able to Regulate Its Contractions

question 63

Multiple Choice

The heart has to be able to regulate its contractions. Heart muscle, unlike skeletal muscle, cannot go into a tetanus. This is because

• A) the heart muscle has to be able to consistently contract and pump blood in a controlled fashion.
• B) heart muscle is not resistant to fatigue.
• C) heart muscle contracts faster than skeletal muscle.
• D) heart muscle cannot use glycogen.
• E) the heart uses aerobic metabolism.

---

Definitions:

Time-limited

Refers to tasks, projects, or agreements that have a set end date or duration.

Sexual Orientation

An individual's pattern of emotional, romantic, or sexual attraction to others, which may include attraction to the same sex, opposite sex, both, or none.

Scientifically Accurate

Information or methodologies that are based on scientific research, evidence, and consensus among scientists.

Child Management

Pertains to the practices, strategies, and approaches used to direct or control the behavior and development of children, aiming for positive and constructive outcomes.