Pharynx & Esophagus

Question 1

the funnel shaped fibromuscular tube is called

Answer 1

the parynx

Question 2

what are the boarder so the pharynx

Answer 2

from the base of the skull to the inferior boarder of the circoid cartilage

Question 3

the pharynx is located _______behind the nose, mouth and larynx

Answer 3

behind

Question 4

what are the 3 parts of the pharxyn

Answer 4

naso
oro
laryngeo

Question 5

the most upper part of the pharynx is calld

Answer 5

nasopharynx, it is located behind the nose and above the soft palate,

Question 6

what is the sensory innervation of the nasopharynx

Answer 6

maxillary division of the trigeminal nerve

Question 7

what makes up the anterior wall of the nasopharynx

Answer 7

estachian tube

Question 8

what makes up the posterior wall o the nasopharynx

Answer 8

pharengeal tonsils and adnoids

Question 9

what are the 3 contents in the nasopharynx

Answer 9

1. pharengeal tonsils in the roof
2. pharyngotympanic tube aka auditory tube
3. Tubal tonsil

Question 10

what is the funciton ofthe pharngotympanic tube aka auditory tube

Answer 10

it connects the middle ear cavity

Question 11

describe the location of the the oropharynx

Answer 11

extends between the soft palate aboe the superior boards of the epiglottis

Question 12

what is located in the oropharynx

Answer 12

palantine tonsils - they are specifially located in the tonillar fossa .

Question 13

what is the sensory innervation to the oropharynx

Answer 13

glossopharygeal nerve

Question 14

what is the blood supply to the tonsils

Answer 14

facial artery

Question 15

what is the location of the larynx

Answer 15

it is behind the larynx

Question 16

what are the boarders of the laryngopharynx

Answer 16

upper boarder of the epiglottis to the lower border of the cricoid cartilage

Question 17

what nerve is located in the laryngopharrynx

Answer 17

the laryngeal nerve- it is a sensory nerve, it it is damaged you wont be able to cough which will increase the chances that food will go down the wrong pipe you wont be able to cough it out

Question 18

what is the name of the location on the laryngopharynx that food can get stuck in

Answer 18

piriform fossa - if food gets stuck in this region a nerve can get damaged

Question 19

a part of the larynx that food can get stuck in is called

Answer 19

pissaform fossa

Question 20

list the muscle of the pharynx . Also list the innervation to them

Answer 20

External layer - circular

1. superior constrictor
2. middle constictor
3. inferior constrictor

Internal Layer - longitudinal

1. palatopharyngeus
2. salpingopharyngeus
3. stylopharygngeus

innervation : all except for stylopharngeus are pharyngeal branch of vagus . Stylopharyngeus is glossopharngeal

Question 21

list the sensory innervation of the naso, oro , layngo sections of the pharynx

Answer 21

nasopharynx = maxillary division -v2
oropharynx = glossopharyngeal 
Loryngo= vegas

Question 22

where are the tubal tonsils located

Answer 22

the roof of the nasopharynx

Question 23

are tonsils larger or smaller in children

Answer 23

larger

Question 24

injury to what nerve will result in a negtive gag reflex

Answer 24

injury to the glossopharyngeal nerve results in a negative gag reflex

Question 25

what is the gag reflex

Answer 25

touching the posterior part of the phraynx will result in a muscular contraction of each side of the phraynx

Question 26

what makes the end of the espophagus

Answer 26

t10

Question 27

what are the borders of the esophagus

Answer 27

lower border of cricoid cartilage to t10

Question 28

tf the pharynx is in the neck and thorax

Answer 28

true

Question 29

what is the level that the esophagus pierces the diaphragm

Answer 29

it pierces the diaphagm at t10

Question 30

how many constricitons of the esophagus are there? List them

Answer 30

6 inches - at the beginning
9 inches - where it crosses the aortic arch
11 inches-where it crosses the left bronchus
15 inches - where it pierces the diaphragm

Question 31

list the arteries that supply the 3 parts of the esophagus

Answer 31

upper - inferior thyroid artery
middle - esophageal branch of the aorta
lower - esophageal branch of the left gastric

Question 32

in terms of veins where does the upper middle and lower parts of the esophagus drain to?

Answer 32

upper and middle drain to the superior vena cava

lower = portal vein , liver, Inferior vena cava

Question 33

what is the nerver supply to the esophagus

Answer 33

sympathetic = T2-T4
parasympathetic = vagus

Question 34

portal HTN can lead to

Answer 34

esophageal varicies