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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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.
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