Increased strength of a trained muscle is due to

A. the nervous system's ability to recruit a large number of motor units simultaneously.
B. elimination of unnecessary enzymes and metabolic pathways.
C. elimination of unnecessary connective tissue.
D. elimination of all adipose tissue.
E. an increased number of muscle fibers.


Answer: A

Anatomy & Physiology

You might also like to view...

True labor contractions increase with frequency over time, and pain from such contractions does not change in response to movement

Indicate whether this statement is true or false.

Anatomy & Physiology

The ________ of the ethmoid bone forms the anterior point of attachment for the meninges in the skull.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which of the following statements is true? Select one:

a. As thoracic volume increases, alveolar pressure (Palv) increases.
b. In expiration, the thoracic volume increases.
c. Constriction of bronchioles assists breathing.
d. As alveolar volume increases, alveolar pressure (Palv) decreases.
e. Pressure is directly proportional to volume.

Anatomy & Physiology

Which of the following would be the greatest risk to life if a significant percentage of the skin was destroyed by burning?

a) loss of body fluid b) infection c) loss of temperature control d) trauma

Anatomy & Physiology