Which cranial nerve is tested by having the patient stick out their tongue?
A) hypoglossal
B) vagus
C) facial
D) glossopharyngeal
E) abducens
A
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The enzyme that converts carbon dioxide and water to carbonic acid is:
a. carbonic anhydrase b. carbaminohemoglobin c. carbonate d. carbon dioxidase
Cells that normally protect the brain but may also be responsible for certain neurodegenerative diseases are
a. astrocytes b. microglia c. oligodendrocytes d. meningeal cells e. stellate cells
The vertical osmotic gradient enables the kidneys to produce urine that ranges in concentration from 100 to mosm/liter to:
a. 300 mosm/liter. b. 600 mosm/liter. c. 900 mosm/liter. d. 1,200 mosm/liter. e. 1,500 mosm/liter.
Which muscle extends the elbow during the action of push-ups?
A) deltoid B) trapezius C) brachialis D) triceps brachii E) biceps brachii