A positive Babinski reflex is observed when the:
A) toes curve or move downward when the sole of the foot is touched.
B) patient responds to pain by flexing the arms and extending the legs.
C) patient's reflexes are hyperactive in response to an external stimulus.
D) toes move upward in response to stimulation of the sole of the foot.
Answer: D) toes move upward in response to stimulation of the sole of the foot.
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Nodding of the head as a person falls asleep sitting up involves primarily the muscles of (the)
A) capitis and cervicis regions. B) cervicis region only. C) upper limb and pectoral girdle. D) cervicis and thoracis regions. E) None of the answers are correct.
____________________ is the most common second messenger
Fill in the blank(s) with correct word
Uremia may cause ________.
A. hyperkalemia B. uretic coma C. acidosis D. All of the choices are correct.
Sympathetic division fibers leave the spinal cord in the ________
A) craniosacral regions, and the postganglionic fibers secrete norepinephrine B) thoracolumbar region, and the postganglionic fibers secrete acetylcholine C) craniosacral region, and the postganglionic fibers secrete acetylcholine D) thoracolumbar region, and the postganglionic fibers secrete norepinephrine E) craniosacral region, and the preganglionic fibers secrete norepinephrine