Neck Flashcards
(33 cards)
1
Q
A
2
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3
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4
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5
Q
A
6
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7
Q
Hyoid muscles? Actions?
A
8
Q
A
9
Q
A
10
Q
A
11
Q
A
12
Q
A
13
Q
A
14
Q
A
15
Q
(Just identify internal and external jugular)
A
16
Q
Function of internal jugular?
A
17
Q
A
18
Q
A
19
Q
A
20
Q
How does food pass over the trachea to get to the esophagus?
A
The epiglottis: a cartilagenous flap that seals off the larynx as food passes by
21
Q
What is choking?
A
A large bolus can get stuck in the oropharynx, holding down the epiglottis and preventing respiration
22
Q
Why do only humans choke? And why not babies?
A
Babies have ape-like skull proportions for suckling.
23
Q
6 steps of swallowing (deglutition)
A
First 3 Voluntary, second 3 involuntary
- Tongue sweeps bolus back (intrinsic tongue muscles)
- Hyoid slightly elevated (suprahyoid muscles)
- Bolus swept into oropharynx, lateral arches stiffen (palatoglossus, styloglossus)
- Soft palate elevated/tensed (veli palatini muscles)
- Hyoid elevates larynx, depressing epiglottis (suprahyoid muscles)
- Esophageal sphincter opens, pharygeal constrictors contract, send bolus into esophagus
24
Q
A
25
26
27
Vocal ligaments
28
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33
