3.3 Olfactory and Gustatory Systems

Question 1

What is olfaction?

Answer 1

smell

Question 2

What type of sense is olfaction?

Answer 2

chemical sense

Question 3

What activates olfactory receptors?

Answer 3

airborne chemical substances dissolved in fluid

Question 4

What are olfactory nerves?

Answer 4

bipolar receptors cells

Question 5

Where are the olfactory nerves located?

Answer 5

olfactory epithelium on the roof of the nasal cavity

Question 6

Where do the olfactory nerves travel?

Answer 6

through ethmoid bone through the cribriform plate

Question 7

Where do the olfactory nerves terminate?

Answer 7

olfactory bulbs

Question 8

What are the olfactory tracts?

Answer 8

axons from the olfactory bulbs that travel to the temporal lobes

Question 9

Where is the primary olfaction area located?

Answer 9

temporal lobes

Question 10

What is the definition of smell?

Answer 10

combination of a limited number of primary odors that are detectable by the brain

Question 11

What are the seven primary odors?

Answer 11

flora
ethereal
camphorates
musky
peppermint
pungent
putrid

Question 12

What is the Gustatory system for?

Answer 12

taste

Question 13

What type of sense is taste?

Answer 13

chemical sense

Question 14

What activate the receptors of the gustatory system?

Answer 14

chemicals substances dissolved in saliva

Question 15

Where are the taste receptors located?

Answer 15

taste buds primarily on tongue but throughout the mouth and throat

Question 16

What is the function of the tongue?

Answer 16

gripping food and repositioning it between the teeth forming a bolus

Question 17

What does the tongue do with the bolus?

Answer 17

pushes it back to the pharynx for swallowing

Question 18

Where is the apex of the tongue located?

Answer 18

anteriorly

Question 19

Where is the root of the tongue located?

Answer 19

posteriorly

Question 20

Where is the frenulum located?

Answer 20

inferior surface of tongue at the midline