Immediately Following the Arrival of the Stimulus at a Skeletal

question 21

Multiple Choice

Immediately following the arrival of the stimulus at a skeletal muscle cell there is a short period called the period during which the events of excitation- contraction coupling occur.

• A)contraction
• B)latent
• C)refractory
• D)relaxation

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Definitions:

Erection

The physiological phenomenon of the penis becoming engorged with blood, making it firm and elongated.

Urethral Meatus

The external opening of the urethra, through which urine exits the body in both sexes and semen in males.

Prepuce

The fold of skin covering the head of the penis in males or the clitoris in females; also known as the foreskin in males.

Corpus Spongiosum

A spongy body of erectile tissue that surrounds the urethra and expands at the end to form part of the glans penis.