Which of These Events Happens During Excitation-Contraction Coupling

question 220

Multiple Choice

Which of these events happens during excitation-contraction coupling

• A)The action potential travels down the thin myofilaments.
• B)Ca²⁺ is released from the sarcoplasmic reticulum.
• C)Ca²⁺ is taken up by the sarcoplasmic reticulum.
• D)Calcium blocks the binding sites on the actin molecules.

---

Definitions:

Manual Compression

A technique where pressure is manually applied to a body part to stop bleeding or promote fluid movement.

Arterial Site

A location on the body where an artery can be accessed or punctured, often used for drawing blood or measuring blood pressure.

Drug-Induced Depression

A depressive state triggered or exacerbated by the use of certain medications.

Consciousness

The state of being aware of and able to think about oneself, one's surroundings, and one's thoughts.