Which of the following is true of olfactory discrimination?
A) There are 6 primary smells known.
B) The number of olfactory receptors decline as we age.
C) All odorants require the same concentration to activate an olfactory receptor.
D) There are different types of olfactory receptor cells to detect each type of odorant.
E) The olfactory receptor population does not divide.
B
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_____ are the major targets of growth hormone.
Fill in the blank(s) with the appropriate word(s).
The structure responsible for attaching muscle to bone is a
A. sphincter. B. tendon. C. myofibril. D. ligament. E. fascia.
Compare the hearts of a trained athlete and a non-athlete
What will be an ideal response?
What would result from a lack of extracellular Ca2+ at the neuromuscular junction?
A. Synaptic vesicles would fail to fuse and ACh would not be released. B. The neuron must use its intracellular Ca2+ to make the vesicles fuse. C. Potassium ions are used in place of Ca2+ to ensure the vesicles fuse. D. Nothing would happen because extracellular Ca2+ does not play a role in muscle stimulation. E. Excessive synaptic vesicles would fuse and release too much ACh, overstimulating the myofiber.