The release of hormones from the adrenal medulla is stimulated by
A. adrenocorticotropic hormone.
B. thyrotropic hormone.
C. follicle-stimulating hormone.
D. growth hormone.
E. the sympathetic division of the autonomic nervous system.
Answer: E
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Why do odors evoke strong emotional responses?
A. Some olfactory signals pass through the thalamus and are routed to the cingulate gyrus of the limbic system. B. Olfactory tracts project to the cortex without synapsing at the thalamus. C. Signals travel from the olfactory cortex to the orbitofrontal cortex, which is involved in emotional memory. D. Signals project from the olfactory cortex to the hippocampus, amygdala, and hypothalamus, all parts of the limbic system. E. Fibers of the olfactory nerve synapse at the olfactory bulb, an important emotional center.
Rib 7 is a ________ rib
A) false B) cartilaginous C) pelvic D) true E) floating
What would result from a lack of extracellular calcium ions at the neuromuscular junction?
A. Excessive synaptic vesicles would fuse and release too much ACh, overstimulating the myofiber. B. Synaptic vesicles would fail to fuse and ACh would not be released. C. Nothing would happen because extracellular calcium does not play a role in muscle stimulation. D. The neuron must use its intracellular calcium to make the vesicles fuse. E. Potassium ions are used in place of calcium to ensure the vesicles fuse.
What group of viruses mentioned in the text cause brain inflammation?
What will be an ideal response?