After Nervous Stimulation Stops, What Prevents ACh in the Synaptic

question 23

Multiple Choice

After nervous stimulation stops, what prevents ACh in the synaptic cleft from continuing to stimulate contraction?

• A) the action potential stops going down the overloaded T tubules
• B) acetylcholinesterase destroying the ACh
• C) calcium ions returning to the terminal cisternae
• D) the tropomyosin blocking the myosin once full contraction is achieved

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Definitions:

Collagen

A protein that is the main component of connective tissues in animals, providing strength and structure.

Strength

The capacity of an object or individual to withstand great force or pressure, or in a biological context, the muscle's ability to generate force.

Cartilage

Cartilage is a flexible, connective tissue found in various parts of the body, including the joints, nose, and ear, providing support and cushioning.

Highly Vascular Matrix

Describes tissue that contains numerous blood vessels, facilitating high levels of blood flow and nutrient delivery to support its functions.