The "fight-or-flight" system is the ________ nervous system.
A. somatic
B. sympathetic
C. parasympathetic
Answer: B
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A presynaptic synapse:
A. is a synapse between an axon terminal and a dendrite that can be either excitatory or inhibitory. B. is a synapse between an axon terminal and another axon's terminal that can be either excitatory or inhibitory. C. is any synapse onto a cell body, and they can be either stimulatory or inhibitory. D. is a synapse between an axon terminal and a dendrite of the same cell, which is always inhibitory. E. is a synapse between an axon terminal and another axon's terminal that is always inhibitory.
Which of the following arteries is not part of the cerebral arterial circle (circle of Willis)?
A. Anterior communicating artery B. Internal carotid artery C. Anterior cerebral artery D. Posterior cerebellar artery E. Posterior communicating artery
The most potent stimulus for inhibiting gastric motility and emptying is ____________________ in the ____________________ lumen
Fill in the blank(s) with correct word
Which statement about endochondral ossification is true?
A. It forms the long bones, vertebrae, ribs, sternum, scapula, pelvis, and limb bones of the developing fetus. B. Osteoblasts deposit bone in membranes. C. It forms the bones of the skull in the developing fetus. D. The site of ossification is the center of future bone.