Taste And Olfaction

Question 0

What are the projections on the tongue?

Answer 0

Lingual papillae

Question 1

What is gustation?

Answer 1

Sense of taste

Question 2

What are the characteristics of circumvallate papillae?

Answer 2

V formation at the back of the tongue

Contain up to 100 taste buds each

Question 3

What are the characteristics of foliate papillae?

Answer 3

Parallel rows at the back edges of the tongue

Sensitive to sourness and acidity

Question 4

What are the characteristics of fungiform papillae?

Answer 4

Large amounts found on the surface and tip of the tongue

Contain about 5 buds each

Question 5

What are the characteristics of Filiform papillae?

Answer 5

Provide friction for moving food but do not taste

Question 6

Where are taste receptors found

Answer 6

On the tongue and pharynx

Question 7

What is the average life of a taste receptor

Answer 7

10 days

Question 8

What type of receptors are in taste buds

Answer 8

Chemoreceptors

Question 9

How many chemoreceptors do taste buds contain

Answer 9

40-150

Question 10

How many taste buds do most people have?

Answer 10

2000-10000

Question 11

What age do the number of taste buds start to decline

Answer 11

50ish

Question 12

Why do taste buds contain cilia

Answer 12

Used to detect ‘tastants’ in saliva

Some respond to painful stimuli

Question 13

What are the three cranial nerves associated with taste

Answer 13

Chorda tympani
Glossopharangeal
Vagus

Question 14

Where do taste neurons project to in the brain stem

Answer 14

Solitary nuclei

Question 15

Where do second order neurons involved with taste go to

Answer 15

Ventral posterior medial part of the thalamus
Hippocampus
Lambic system

Question 16

What are the variations of tastes

Answer 16

Bitter
Sour 
Salty
Sweet
Glutamate

Question 17

What receptors respond to glutamate and water

Answer 17

Umami receptor

Water receptor

Question 18

What receptors respond to acids

Answer 18

Sour receptors