In an ECG pattern, the T wave is caused by
A. depolarization of ventricular muscle fibers.
B. depolarization of atrial muscle fibers.
C. repolarization of atrial muscle fibers.
D. repolarization of ventricular muscle fibers.
Answer: D
You might also like to view...
A person is born with a genetic mutation that causes rhodopsin to be improperly produced, rendering it useless. Which structure(s) will specifically be affected?
A. Lens B. Rods C. Cones D. Olfactory receptors
What is cardiac output?
a. volume of blood pumped by both atria per minute b. volume of blood pumped by each atrium per minute c. volume of blood pumped by each ventricle per minute d. volume of blood pumped by both ventricles per minute e. total amount of blood pumped by the heart
Changes in the mouth associated with aging include
A. thinning cementum. B. shrinking dentin. C. thinning enamel. D. overgrowth of gums.
What two structures merge to form a zygote?
A) Sperm and an ovum B) Sperm and a secondary oocyte C) Spermatocyte and a secondary oocyte D) Spermatid and an ovum