When the forearm is supinated:
a. the pollex is laterally placed.
b. the radius and ulna are crossed.
c. the little finger is laterally placed.
d. the pisiform is facing posteriorly.
b. the radius and ulna are crossed.
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Which type of joint is found between the parietal bones of the skull?
A. Synostosis B. Lap suture C. Gomphosis D. Plane suture E. Serrate suture
The average life span of a red blood cell is
A) 6 months. B) 1 year. C) 1 week. D) 4 months. E) 1 month.
In osmoregulators such as mammals
a. the osmotic balance between the ECF and the ICF is carefully monitored and controlled by the kidneys. b. cells will lose water if the ECF becomes hypertonic. c. some cells exhibit RVI (regulatory volume increase) as a way of compensating water loss when the ECF becomes hypertonic. d. the ICF is influenced by changes in the ECF. e. all of these.
Damage to which structure would produce an extensor rigidity that would NOT be significantly altered by section of the dorsal roots?
A. lateral vestibular nucleus B. anterior vermal region of the cerebellar cortex C. medullary reticular formation (nucleus gigantocellularis) D. cortical afferents to the pontine and medullary reticular formation E. cortex of the cerebellar hemisphere