Taste

Question 1

Flavor is detected in the tongue in taste buds found at ________________, __________________ and ___________________.

Answer 1

foliate, fungiform and vallate papillae.

Question 2

What 2 structures are found in the anterior 2/3 of tongue.

Answer 2

1.) Foliate papillae
2.) Filiform fungiform papillae

Question 3

Fungiform and circumvallate papillae are found __________________.

Answer 3

dorsally

Question 4

Taste buds are made of ___________ cells.

Answer 4

gustatory (or taste)

Question 5

Gustatory (or taste) cells are NOT neurons but have electrical properties and _______________.

Answer 5

depolarize

Question 6

Taste buds are innervated by sensory neurons, which get activated by ______________.

Answer 6

taste cells

Question 7

Chemicals dissolve in ______________ and enter the taste bud.

Answer 7

saliva

Question 8

Each taste bud is formed by different taste cells, that respond to the five tastes:

Answer 8

1. Sweet
2. Salty
3. Bitter
4. Sour
5. Umami

Question 9

Flavor is defined as the combined sensations of what 3 things:

Answer 9

1. taste
2. odor
3. mouthfeel

Question 10

____________________ is the way food feels in the mouth. (Texture, moisture, temperature, chewiness, greasiness, astringency.)

Answer 10

Mouthfeel

Question 11

In order to taste food, the brain requires to perceive its _________ as well.

Answer 11

aroma

Question 12

The aroma of food is perceived how many times?

Answer 12

twice

Question 13

Aroma of food is perceived first through _________________ olfaction via the ________.

Answer 13

orthonasal
nose

Question 14

In regards to the aroma of food, some food molecules travel from the back of the _______ upwards to the olfactory epithelium through ______________________ olfaction.

Answer 14

throat
retro-nasal

Question 15

Which cranial nerves are involved with flavor perception?

Answer 15

CN 7, 9, 10, and 1

Question 16

Why is the facial nerve important with flavor?

Answer 16

innervates the anterior 2/3 of the tongue

Question 17

Why is the glossopharyngeal nerve important to flavor?

Answer 17

innervates posterior third of the tongue

Question 18

Why is the vagus nerve important to taste?

Answer 18

innervates taste buds on epiglottis and pharyngeal wall

Question 19

Which CN innervate the gustatory nucleus in the midbrain, which projects fibers to the thalamus for signals to be relayed to the gustatory cortex?

Answer 19

CN VII, IX, and X

Question 20

The gustatory pathway is ______________.

Answer 20

IPSILATERAL

Question 21

Gustatory Pathway

Answer 21

Tongue

CN VII, IX, X

Gustatory nucleus

Solitariothalamic tract

Thalamus

Primary gustatory cortex

Question 22

TRUE OR FALSE:
The same flavors activate different regions of the gustatory cortex in 2 individuals.

Answer 22

TRUE