Muscular System and Skeletal Muscle Function Quiz

It acts as a neurotransmitter to stimulate muscle cell contraction. (correct)

It inhibits muscle contraction by blocking the release of calcium ions.

It is responsible for maintaining the resting membrane potential in muscle cells.

It helps in the breakdown of muscle tissue for energy production.

Slow twitch fibers have a greater ability to generate force than fast twitch fibers.

Fast twitch fibers have a higher capillary density than slow twitch fibers. (correct)

Fast twitch fibers have more mitochondria than slow twitch fibers.

Slow twitch fibers are larger in diameter compared to fast twitch fibers.

To initiate the release of acetylcholine for muscle contraction.

To trigger the breakdown of ATP for energy production.

To maintain an electrical charge difference across the cell membrane. (correct)

To prevent the entry of calcium ions into the cell.

<p>Large motor units are more precise in controlling fine movements.</p> Signup and view all the answers

<p>To ensure efficient nutrient and oxygen delivery to muscle cells.</p> Signup and view all the answers

<p>Endurance exercises improve the oxidative capacity of muscle fibers for prolonged activity.</p> Signup and view all the answers