Luteinizing hormone is at its peak ________.
A. during ovulation
B. during corpus luteum formation
C. during follicle development
D. when progesterone levels are highest
Answer: A
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Gram for gram, the largest amount of energy can be stored in the body in the form of
A. vitamins. B. steroids. C. triglycerides. D. monosaccharides. E. polysaccharides.
If we were able to artificially alter the membrane permeability of pacemaker cells so that sodium influx is more rapid, ________.
A) threshold is reached more quickly and heart rate would increase B) potassium channels compensate and no change in heart rate would occur C) heart rate would decrease, but blood pressure would rise due to the excess sodium present D) tetanic contraction would occur due to the short absolute refractory period of cardiac muscle
A virus differs from other pathogens in that it is
A) multicellular. B) larger. C) more dangerous. D) not capable of reproduction outside a living cell.
Proximal means
A. toward the middle or midline of the body. B. away from the surface. C. closer to the head. D. closer than another structure to the point of attachment to the trunk. E. toward the back of the body.