Chapter 8 Part 4

Question 1

Taste receptors (buds or cells) gustation

Answer 1

Chemoreceptors

Question 2

What types of taste senses do we have (5)?

Answer 2

Salty, sweet, sour, bitter, umami

Question 3

Determines if bolus is ingested or ejected from the mouth

Answer 3

Taste

Question 4

Sense of smell

Answer 4

Olfaction

Question 5

What does olfaction play a vital role in (2)?

Answer 5

Appetite and taste

Question 6

How long is the life of olfactory sensors?

Answer 6

Short

Question 7

___ food odors produce salivation

Answer 7

Pleasant

Question 8

___ food odors produce gagging or vomiting

Answer 8

Unpleasant

Question 9

What is sense of touch mediated by?

Answer 9

Mechanoreceptors

Question 10

What types of touch do we experience (4)

Answer 10

Light touch, vibration, heavy pressure, skin stretch

Question 11

What are the 4 classes of thermal receptors?

Answer 11

Warm, hot, cool, cold

Question 12

Pain sensors

Answer 12

Nociceptors

Question 13

Sensed by muscle spindle fibers

Answer 13

Muscle stretch

Question 14

Sensed by Golgi tendon organs; responds to active contraction of muscles

Answer 14

Muscle tension

Question 15

Result of release of saliva into the oral cavity

Answer 15

Salivation

Question 16

Reflex triggered by deep pressure on roof of mouth, involves rotary motion of the mandible; bolus is moved into and off the molars

Answer 16

Chewing Reflex

Question 17

Center involved in reflexive movements of tongue for sucking and licking

Answer 17

Chewing center

Question 18

Where is the chewing center located?

Answer 18

Midbrain

Question 19

Tactile stimulation of cheek causes infant’s mouth to open

Answer 19

Rooting reflex

Question 20

Created by soft contact with inner margin of lips

Answer 20

Sucking reflex

Question 21

Mediated in manner similar to gag reflex

Answer 21

Palatal (avular) reflex

Question 22

Reflex that causes pharynx to elevate and constrict; causes respiration to cease

Answer 22

Gag reflex

Question 23

Involuntary attempt and vomiting, caused by Caused by noxious smells, tastes, gastrointestinal distress, vestibular dysfunction, upsetting visual stimulation

Answer 23

Retching

Question 24

Oral expulsion of gastrointestinal contents

Answer 24

Vomiting

Question 25

What initiates the cough reflex?

Answer 25

Noxious stimuli of larynx, pharynx, bronchial passageway

Question 26

Reflex that involves laryngeal adduction and abdominal contraction, Increases sub glottal pressure, Produces forceful exhalation

Answer 26

Cough reflex

Question 27

What factors can elicit the respiratory reflex?

Answer 27

Inadequate oxygenation in the blood
Increased carbon dioxide in the blood
Increased acidity