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) all of these
E) is the point on the retina at which the optic nerve leaves and blood vessels pass through and is in the exact center of the retina
Correct Answer:
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Q4: The conversion of stimuli into neuron potentials
A)requires
Q18: The slow pain pathway is activated by
A)
Q20: Phasic receptors
A) exhibit an "off-response"
B) signal a
Q21: During accommodation for near vision, the
A) ciliary
Q22: In order for accommodation to occur:
A) The
Q24: Rhodopsin
A) is the photopigment in the red
Q25: Natural analgesia occurs when:
A) Endogenous opiates bind
Q25: Which neuromodulator is not capable of binding
Q27: The retina
A) is the middle layer of
Q28: The lens of the eye
A) has convex
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