Select the incorrect statement about the parasympathetic nervous system
a. It signals cardiac muscle and smooth muscle.
b. Its postganglionic fibers release norepinephrine.
c. Its preganglionic fibers release ACh.
d. Part of it originates in the brain.
e. Part of it originates in the sacral region of the spinal cord.
B
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The ________ joint is the simplest synovial joint and also the least mobile synovial joint
A. pivot B. plane C. hinge D. saddle E. suture
Which of these connective tissues is NOT correctly matched with its functional characteristics?
A) blood — fluid allows cells to travel freely B) bone — strong and rigid C) elastic cartilage — recoils to original shape when bent D) hyaline cartilage — rigid with rough surface for strength E) fibrocartilage — compressible, but resists tearing or pulling forces
The plateau phase of an action potential
A. allows cardiac muscle cells to contract and then relax without locking up. B. leads to tetanic contractions in smooth and skeletal muscle. C. allows cardiac muscle cells to exhibit synchronous fibrillation. D. occurs only in skeletal muscle and makes those fibers' contractions most forceful.
An alternate term for labor is ________.
Fill in the blank(s) with the appropriate word(s).