The posterior and middle cerebral arteries are connected by:
a. basilar artery
b. anterior communicating artery
c. internal carotid artery
d. posterior communicating artery
Answer: d. posterior communicating artery
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The blind spot
a. is the point on the retina at which the optic nerve leaves and blood vessels pass through b. contains special photoreceptors that make only melanospin, which is not used for vision c. is in the exact center of the retina d. exhibits all of the above e. exhibits only a and c
What variables would you need to calculate the cross-sectional area of a blood vessel?
A) Field diameter B) Total magnification C) Both field diameter and total magnification D) Neither field diameter nor total magnification
Nail production occurs at the nail
A) body. B) bed. C) root. D) cuticle. E) hyponychium.
Which sensation(s) does the vestibulocochlear nerve carry?
A) hearing B) balance C) atmospheric pressure D) hearing and balance E) hearing, balance, and taste