Chapter 13 Part 4

Question 1

What are the 2 important brainstem nuclei for swallowing?

Answer 1

Nucleus tractus solitarius (NTS), Nucleus ambiguous (NA)

Question 2

Where is the nucleus tractus solitarius located?

Answer 2

Medulla

Question 3

Acts as a swallowing sensory center, taste, touch, respiratory, and cardiovascular input, sends information to the second brainstem nucleus

Answer 3

Nucleus tractus solitarius (NTS)

Question 4

What cranial nerves does the nucleus tractus solitarius (NTS) receive?

Answer 4

5, 7, 9, 10

Question 5

Where is the nucleus ambiguous located?

Answer 5

Medulla

Question 6

Motor swallowing center, innervates swallowing muscles

Answer 6

Nucleus ambiguous

Question 7

What cranial nerves does the nucleus ambiguous receive?

Answer 7

9, 10, 12

Question 8

What 2 components make up the swallowing center of the medulla

Answer 8

Nucleus ambiguous, nucleus tractus solitarius

Question 9

Activates voluntary muscles of swallowing

Answer 9

Primary motor cortex

Question 10

Processes sensation of eating

Answer 10

Primary sensory cortex

Question 11

May mediate motor and sensory information for swallowing, and provide some level of swallow control

Answer 11

Insula

Question 12

Part of the brain that may provide the attention needed in swallowing

Answer 12

Anterior cingulate cortex

Question 13

Part of the brain that may play role in the motor planning of swallowing

Answer 13

Premotor cortex

Question 14

Part of the brain that may incorporate sensory information from food and liquid into swallowing as food and liquid pass through the swallowing structures

Answer 14

Thalamus and basal ganglia

Question 15

What is one reason why we cough?

Answer 15

Get rid of food stuck in throat?, Cold and viruses, mucus

Question 16

What are the 3 components of a cough response?

Answer 16

Afferent vagus fibers, cough center in brainstem, respiratory muscles and larynx

Question 17

Convey sensory information from cough receptors in swallowing tract

Answer 17

Afferent vagus fibers

Question 18

Information from the afferent vagus fibers goes to….

Answer 18

Cough center in brainstem

Question 19

_____ signals are sent from cough center to respiratory muscles and larynx to generate cough

Answer 19

Efferent

Question 20

Occurs when the bolus enters the airway below the level of the vocal cords

Answer 20

Aspiration