Action Potentials Result From

question 377

Multiple Choice

Action potentials result from:

• A)an inflow of positively charged sodium ions.
• B)an outflow of positively charged potassium ions.
• C)an inflow of potassium followed by an outflow of sodium.
• D)an inflow of sodium followed by an outflow of potassium.

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Definitions:

Urethral Meatus

The external opening of the urethra, through which urine exits the body in both males and females, and also serves as a passage for semen in males.

Hypospadias

A congenital condition in males where the urethra opens on the underside of the penis rather than at the tip.

Phimosis

A condition where the foreskin of the penis cannot be fully retracted over the glans, often requiring medical attention in severe cases.

Scrotal Sac

An external pouch of skin containing the testicles and part of the spermatic cord, playing a role in regulating testicular temperature.