Conduction of a nerve impulse would be the fastest in which of the following?
A. A small fiber with multiple Schwann cells
B. A large unmyelinated fiber
C. A small diameter myelinated fiber
D. A large diameter myelinated fiber
E. A small unmyelinated fiber
Answer: D
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Binding of epinephrine to alpha receptors causes smooth muscle
a. relaxation in arteries of the brain b. relaxation in skeletal muscle arteries c. constriction in skeletal muscle arteries d. relaxation in coronary arteries e. to not experience any of the above
What is the connective tissue "bag" that holds or surrounds the mammalian brain called?
A) Meninges B) Arachnoid mater C) Mucosa D) Cranial cavity
The filling of the antrum with fluid occurs in the ___ phase of the ovarian cycle.
A. ovulation B. luteal C. follicular D. proliferative
Which mesentery suspends the transverse and sigmoid colons from the posterior body wall?
A) greater omentum B) mesocolon C) mesentery proper D) lesser omentum