The thickest myocardium is in the
A. right atrium.
B. right ventricle.
C. left atrium.
D. left ventricle.
Answer: D
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The follicular phase of the ovarian cycle coincides with which phase or phases of the uterine cycle?
A. Both the proliferative phase and the secretory phase B. Both the follicular phase and the secretory phase C. The secretory phase D. Both the menstrual phase and the proliferative phase E. Both the menstrual phase and the secretory phase
Normal pH range for blood is 7.35 to 7.45. If blood pH falls below 7.35,
A. the number of red blood cells decreases. B. the blood becomes saltier. C. an imbalance called acidosis results. D. an imbalance called alkalosis results. E. nothing happens as this is an acceptable deviation.
What is happening to a neuron that is undergoing Wallerian degeneration?
What will be an ideal response?
Select the correct statement about the summation of simple twitches
a. They can occur because of the long duration of the action potential in a muscle fiber. b. They reduce the tension in a muscle. c. They result from the slow stimulation of a muscle fiber. d. The effect is unrelated to the refractory periods of action potentials. e. The twitches resulting from separate action potentials.