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Nerve fibers from the medial aspect of each eye ________.
cross over to the opposite side at the chiasma
Ordinarily, it is not possible to transplant tissues from one person to another, yet corneas can
be transplanted without tissue rejection. This is because the cornea ________.
Has no blood supply
There are three layers of neurons in the retina. The axons of which of these neuron layers
form the optic nerves?
The first "way station" in the visual pathway from the eye, after there has been partial
crossover of the fibers in the optic chiasma, is the ________.
lateral geniculate body of the thalamus
As sound levels increase in the spiral organ (of Corti), ________.
outer hair cells stiffen the basilar membrane
Which of the following is true about gustatory receptors?
Complete adaptation occurs in about one to five minutes
Select the correct statement about olfaction
Olfactory receptors have a high degree of specificity toward a single type of chemical
Which of the following taste sensations is incorrectly matched to the chemicals that produce it?
umamiamino acids glutamate and lysine
Which statement about malnutrition-induced night blindness is most accurate?
Vitamin supplements can reverse degenerative changes
Conscious perception of vision probably reflects activity in the ________.
occipital lobe of the cortex
In the visual pathways to the brain, the optic radiations project to the ________.
primary visual cortex
Visual inputs to the ________ serve to synchronize biorhythms with natural light and dark
In the uterus ________.
despite the fact that the fetus cannot see, functional visual cortical connections are established
Which of the following could not be seen as one looks into the eye with an ophthalmoscope?
Which of the following is not a characteristic of olfactory receptor cells?
They are unipolar neurons.
Which of the following is true about light and vision?
When we see the color of an object, all light is being absorbed by that object except for the
color being experienced.
Which of the following is true about photoreceptors?
Rods absorb light throughout the visual spectrum but confer only gray tone vision
Select the correct statement about equilibrium
Cristae respond to angular acceleration and deceleration.
Light passes through the following structures in which order?
cornea, aqueous humor, lens, vitreous humor
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