GRE Subject Test: Psychology : Olfaction
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Example Questions
Example Question #252 : Gre Subject Test: Psychology
Which of the following would constitute the greatest loss to a professional wine taster or food critic?
Damage to the striate cortex
Damage to the semicircular canals
Vestibular loss
Olfactory loss
All of these
Olfactory loss
Assuming that a food critic or wine taster most values their ability to perceive the flavors and aromas of these consumable items, then a loss of their sense of smell—olfactory loss—would be the greatest of these misfortunes they could suffer. The vestibular sense is that which informs us as to the orientation of our bodies in space. The semicircular canals contribute to this sense, and are housed within the inner ears. The loss of this sense might not compromise a food critic or wine taster as severely in their professional life. The striate cortex is a key component of the visual cortex, and damage therein would likely result in partial or total blindness. This would not hinder the food critic or wine taster's abilities to perceive their foods or wines however.
Example Question #1 : Olfaction
Which of the following is true regarding olfaction?
Each glomerulus receives input from multiple types of receptors
Every molecule causes the same strength of response when it stimulates a receptor
None of these
There are approximately three hundred and fifty receptor types
Each receptor responds to only one molecule
There are approximately three hundred and fifty receptor types
There are about three hundred and fifty receptor types involved in olfaction. Each receptor responds to more than one molecule, but with different strengths. Receptors make their first synapse with glomeruli, but each glomerulus receives input from only one type of receptor.
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