Where are most lower motor neurons located?
A. The ventral horns of the spinal cord
B. The dorsal horns of the spinal cord
C. The diencephalon
D. The primary motor cortex
E. The medulla oblongata
A. The ventral horns of the spinal cord
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In the bending of the elbow ________
A) The brachialis is the prime mover B) The biceps brachii is the antagonist C) The triceps brachii is the synergist D) The biceps brachii is the prime mover
Which muscles arise from the skull and often attach to the skin?
A. Extrinsic eye muscles B. Muscles of mastication C. Muscles that move the tongue D. Muscles of facial expression E. Muscles of the pharynx
Which of the following is true about hemoglobin?
A. appears red in color when depleted of O2 B. binds O2 210x more strongly than it binds carbon monoxide C. content tends to be higher in the blood of young women than young men D. erythropoietin inhibits synthesis E. heme centers reversibly bind O2
Which of the following cavities contain serous membranes?
A. Brachial B. Thoracic C. Inguinal D. Cranial