The movement of semen out of the penis is known as ________
A) Erection B) Arousal
C) Semen ejection D) Ejaculation
D
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Contrast fast fibers with slow fibers in terms of diameter, glycogen reserves, myoglobin content, and relative abundance of mitochondria
A) Compared with slow fibers, fast fibers have a larger diameter, larger glycogen reserves, less myoglobin, and relatively fewer mitochondria. B) Compared with slow fibers, fast fibers have a smaller diameter, smaller glycogen reserves, less myoglobin, and relatively fewer mitochondria. C) Compared with slow fibers, fast fibers have a smaller diameter, larger glycogen reserves, more myoglobin, and more mitochondria. D) Compared with slow fibers, fast fibers have a larger diameter, smaller glycogen reserves, less myoglobin, and more mitochondria. E) Compared with slow fibers, fast fibers have a smaller diameter, smaller glycogen reserves, more myoglobin, and more mitochondria.
The absence or inhibition of acetylcholinesterase at a synapse would lead to ________.
A. numbness B. tetanus C. flaccid paralysis D. muscle wasting E. atrophy
Which microscope type would be most useful if a person wanted to see the detailed structure of organelles in a cell?
A. Transmission electron microscope B. Scanning electron microscope C. Light microscope D. Fluorescence microscope E. Compound microscope
If a second stimulus arrives before the relaxation phase has ended, a second, more powerful contraction occurs. This is called
A) Incomplete tetanus. B) Complete tetanus. C) Treppe. D) Wave summation. E) Recruitment.