An Important Difference Between Skeletal and Cardiac Muscle Is That

question 6

Multiple Choice

An important difference between skeletal and cardiac muscle is that

• A) cardiac muscle is not striated.
• B) only skeletal muscle is dependent upon actin-myosin cross-bridging.
• C) calcium does not leave the sarcoplasmic reticulum in cardiac cells.
• D) cardiac muscle has calcium channels on the cell surface for calcium entry.

---

Definitions:

Controlling

Exercising authority or influence over a situation or individual to dictate or direct outcomes.

Negative Reinforcement

A process in behavior modification where the removal of an unfavorable outcome or stimulus strengthens the likelihood of a desired behavior.

Buzzer

An electronic device that produces a loud or vibrating sound as a signal or alarm.

Seat Belt

A safety device in vehicles designed to secure the occupant against harmful movement that may result during a collision or a sudden stop.