Excess K+ in cardiac tissue causes

A. an increase in stroke volume.
B. a rapid repolarization of cardiac cells.
C. an increased heart rate.
D. a decrease in the frequency of action potentials in the conduction system.
E. an increase in the frequency of action potentials.


Answer: D

Anatomy & Physiology

You might also like to view...

Which of the following are called adenoids when they become swollen?

a. palatine tonsils b. lingual tonsils c. pharyngeal tonsils d. lymph nodes of the neck

Anatomy & Physiology

The secretion of aldosterone stimulates the tubular reabsorption of sodium and the tubular secretion of potassium

Indicate whether the statement is true or false

Anatomy & Physiology

Treatment for a patient with neurogenic shock may include all of the following, EXCEPT:

A) a vagolytic medication. B) a vasopressor medication. C) prevention of hyperthermia. D) fluid volume to maintain perfusion.

Anatomy & Physiology

_____ is responsible for regulation of inflammation and blood clotting

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

Anatomy & Physiology