Taste and Smell Physiology

Question 1

Where are the main sensory receptors of taste found?

Answer 1

Taste buds

Question 2

What are the four types of papillae on the tongue?

Answer 2

Filiform
Fungiform
Vallate
Foliate

Question 3

Which of the tongue papillae do not contain taste buds?

Answer 3

Filiform

Question 4

Through which nerves do the afferent taste fibres reach the brainstem?

Answer 4

CN VII (chorda tympani)
CN IX
CN X

Question 5

What provides salty taste?

Answer 5

NaCl

Question 6

What provides sour taste?

Answer 6

H+ ions

Question 7

What provides sweet tastes?

Answer 7

Glucose

Question 8

What provides umami taste?

Answer 8

Glutamate

Question 9

What is the correct term for loss of taste function?

Answer 9

Ageusia

Question 10

What is the correct term for reduced taste function?

Answer 10

Hypogeusia

Question 11

What is the correct term for distorted taste function?

Answer 11

Dysgeusia

Question 12

What are the three cell types found in the olfactory mucosa?

Answer 12

Olfactory receptor cells
Supporting cells
Basal cells

Question 13

The olfactory nerve pierces the cribiform plate before entering what?

Answer 13

Olfactory bulbs

Question 14

What is the technical term for inability to smell?

Answer 14

Anosmia

Question 15

What is the technical term for reduced ability to smell?

Answer 15

Hyposmia

Question 16

What is the technical term for altered sense of smell?

Answer 16

Dysosmia