The stretch reflex
A) is an example of a polysynaptic reflex.
B) is important in regulating muscle length.
C) involves a receptor called the Golgi tendon organ.
D) is activated when a smooth muscle lengthens.
E) is voluntary.
Answer: B
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A blood clot that forms abnormally in a blood vessel is a(n)
A) thrombus. B) platelet plug. C) embolus. D) aneurysm.
Which of the following organs produces bile?
a. liver c. gallbladder b. kidney d. pancreas
Which muscle extends the neck?
A) semispinalis cervicis B) spinalis thoracis C) longissimus thoracis D) spinal cervicis