Choose the Correct Statement Regarding Motor Units

question 41

Multiple Choice

Choose the correct statement regarding motor units.

• A) Muscle fibers of each motor unit are not mingled with those of other motor units.
• B) During a sustained contraction, all motor units are activated simultaneously.
• C) A motor neuron may control only two or three muscle fibers of the eye muscle(s).
• D) When muscles contract for sustained periods, maximal tension is maintained.
• E) Most motor neurons control fewer than five muscle fibers.

---

Definitions:

Ineffective Breathing Pattern

A respiration problem where an individual's breathing is not sufficient to support optimal gas exchange.

Incisional Pain

Pain that occurs at the site of a surgical incision, often experienced after surgery as the wound heals.

Shallow Respirations

Breathing that is abnormally rapid and not deep enough, potentially leading to decreased oxygen intake and buildup of carbon dioxide.

Anesthesia

Medication used to prevent pain during surgery by causing loss of sensation or consciousness.