Test 2 - Lecture 6 (Chemoreception)

Question 1

chemoreception

Answer 1

capability to detect and distinguish chemicals in the air we breathe (smell) and in substances we ingest (taste)

Question 2

pheromones

Answer 2

secreted by other individuals, to trigger social and or behavioral responses (sometimes odorless)

Question 3

taste sense

Answer 3

sweet, umami, salty: beneficial

bitter, sour: toxic

Question 4

olfaction

Answer 4

sense of smell (odorants in the air)

Question 5

gustation

Answer 5

sensation of taste (tastants in the foods)

Question 6

olfactory receptors are found upon

Answer 6

bipolar neurons

Question 7

taste receptors are found upon

Answer 7

modified epithelial cells

Question 8

any one receptor appears to respond to

Answer 8

more than just one odorant

Question 9

any one odorant appears to stimulate

Answer 9

more than one receptor

Question 10

combinatorial pattern

Answer 10

array of olfactory sensory neurons stimulated by a odorant

Question 11

sweet

Answer 11

calories, energy

Question 12

umami

Answer 12

protein

Question 13

salty

Answer 13

Na

Question 14

bitter

Answer 14

toxins

Question 15

sour

Answer 15

acidity

Question 16

flavor

Answer 16

combination of inputs from the gustatory, olfactory, and somatosensory systems

Question 17

taste receptor cells are innervated by a ______ neuron

Answer 17

gustatory

CN 7, 9, or 10

Question 18

sweet, umami, and bitter are transduced via apical membrane receptors…

Answer 18

without the need for membrane depolarization