Water molecules form ________ ions when they associate with a hydrogen ion.
A. hydronium
B. bicarbonate
C. hydroxide
D. water
Answer: A
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The muscle or group that does not have a proximal attachment on a metatarsal is the
A. oblique head of adductor hallucis. B. dorsal interossei. C. flexor hallucis brevis. D. flexor digiti minimi brevis. E. plantar interossei.
The ____________ is the region of the retina where the optic nerve exits and the blood vessels enter the eye
a. fovea b. optic disc c. macula lutea d. corpus luteum e. pupil
The kidneys produce renin when
A. the blood pressure in the afferent arteriole decreases. B. sodium chloride concentration in the distal convoluted tubule increases. C. the urine becomes acidic. D. the peritubular capillaries dilate. E. the blood pressure in the afferent arteriole increases.
A patient with an inability to write or to generate meaningful speech, even though he can understand requests and make sounds, most likely has a lesion in the:
A. left frontal lobe B. right frontal lobe C. left temporal lobe D. right temporal lobe E. left parietal lobe