A deficiency in dietary iodine can cause
A. a low metabolic rate.
B. congenital hypothyroidism (cretinism).
C. a goiter.
D. a slowing of mental functions.
E. All of the choices are correct.
Answer: E
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The rubrospinal tracts originate in the
A) primary motor cortex. B) vestibular nuclei. C) thalamus. D) red nuclei. E) reticular formation.
The ________ center of the pons inhibits the dorsal respiratory group and helps regulate respiratory rate.
Fill in the blank(s) with the appropriate word(s).
Which sequence indicates the correct pathway for blood in the arterial flow of the upper appendage?
A. Subclavian artery - brachial artery - axillary artery - radial artery B. Axillary artery - subclavian artery - radial artery - ulnar artery C. Brachial artery - subclavian artery - axillary artery - radial artery D. Axillary artery - brachial artery - subclavian artery - ulnar artery E. Subclavian artery - axillary artery - brachial artery - ulnar artery
Platelets play a key role in ________, but if they are not used they are broken down after about ________ days.
A. hematopoiesis; 9 B. hematopoiesis; 120 C. hemostasis; 9 D. hemostasis; 120