Hypothyroidism can result from
a. a deficiency in thyrotropin releasing hormone.
b. a deficiency in thyroid stimulating hormone.
c. insufficient amounts of iodine in the diet.
d. all of these.
D
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The skin discoloration most likely to suggest physical abuse is __________.
A. pallor B. albinism C. erythema D. hematoma E. jaundice
The powerful abductor muscle of the upper arm is the
A) supraspinatus. B) subscapularis. C) deltoid. D) coracobrachialis. E) teres major.
What neurotransmitter is released by the axon of a sympathetic preganglionic neuron to communicate with the sympathetic postganglionic neuron?
A) norepinephrine B) adrenalin C) epinephrine D) acetylcholine
Rapid changes in altitude can rupture the tympanic membrane. Symptoms that may occur include
A. feeling of a "full" ear. B. lightheadedness. C. hearing impairment. D. ringing in the ears. E. dizziness.