Diffusion directly depends on the ____________
a. partial pressure gradient
b. solubility of the gas in water
c. distance
d. two of these
e. all of these
D
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The laryngeal cartilage associated with the bifurcation of the pharynx into the trachea and esophagus is the
A. corniculate. B. epiglottis. C. thyroid cartilage. D. arytenoid. E. cricoid.
Hair cells in semicircular canals are
A. nociceptors. B. chemoreceptors. C. photoreceptors. D. audioreceptors. E. mechanoreceptors.
Shannon was the pitcher on her softball team. During one game, a batter hit the ball and it ricocheted off the left side of Shannon's head, knocking her temporarily unconscious. She eventually regained consciousness, but experienced severe pain near her left temple. Within a few hours, Shannon had trouble moving her right upper limb and became lethargic. Her team captain brought her to the emergency room, where the physician diagnosed her with an epidural hematoma. An epidural hematoma causes an accumulation of blood to develop between what two structures?
a. the skull and the periosteal layer of the dura mater b. the periosteal and meningeal layers of the dura mater c. the meningeal layer of the dura mater and the arachnoid mater d. the arachnoid mater and the pia mater
The radial pulse can be felt just lateral to the tendon of the ________.
A. flexor carpi radialis B. extensor carpi radialis longus C. extensor carpi radialis brevis D. brachioradialis E. flexor carpi ulnaris