If a patient is unable to follow your finger above the midline following blunt trauma to the face, you should be MOST suspicious for a(n):
A) Le Fort II fracture.
B) nasal bone fracture.
C) orbital skull fracture.
D) basilar skull fracture.
Answer: C) orbital skull fracture.
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A butcher who cuts the distal portion of his fingers may cut the ________ tendon.
A. flexor carpi ulnaris B. flexor pollicis longus C. flexor digitorum profundus D. palmaris longus E. adductor pollicis
Which of these is one reason you can distinguish between a needle prick on the foot and an ice cube on the wrist?
A. The action potentials from the needle prick are inherently different from the impulse generated by the ice cube. B. The region of the brain to which one receptor pathway leads is different from the region to which the other pathway leads. C. The needle prick generates a stronger action potential in any one neuron than an ice cube does. D. The needle prick generates a higher frequency of action potentials than the ice cube does. E. The ice cube stimulates a different class of receptors than the needle prick, even though both signals go to exactly the same location in the brain.
Compare a gap junction to a channel protein, how are they alike and how are the different?
What will be an ideal response
Which statement is correct about an osteon?
a. The circumferential lamellae surround the blood vessels and nerves within an osteon. b. Canaliculi allow for nutrient and waste exchange among the osteocytes. c. The middle region of an osteon is called the perforating canal. d. They are oriented perpendicular to the diaphysis of a long bone.