T4: Pharynx and Larynx

Question 1

A child is sucking on a lollipop and a trips. Where could the lollipop go through?

A. Retropharyngeal Abscess
B. Pharyngobasilar Fascia
C. Torus Tubarius
D. Salpingopharyngeal Fold

RFA

Answer 1

Ans. A. Retropharyngeal abscess

Question 2

A foreign body is obstructing a woman’s airway and it object has been failed to be removed. A procedure must be done to save her life. Where is the proper place to cur for this procedure?

A. Superior to Thyroid Cartilage
B. Inferior to Cricoid cartilage
C.Superior to cricoid cartilage and inferior to thyroid cartilage
D. Into the Jugular vein

RFA

Answer 2

C. Superior to cricoid cartilage and inferior to thyroid cartilage- this is a cricothyroidotomy

A tracheotomy would be done at B. Inferior to the Cricoid Cartilage

Question 3

A man comes into the ER who was shot in the face. The bullet somehow only damaged the contents of the tonsillar fossa. Which sensation has this man likely lost due to the damage.

A Taste Anterior 2/3rd of Tongue
B. Sensation to the Anterior 2/3 Tongue
C.Taste To the Posterior 1/3 of the Tongue 
D. Sensation to the Posterior 1/3 of the Tongue. 
E. A& B
F. C & D
G. A & C 
H. B &D 
I. All sensation and all taste 

RFA

Answer 3

F. C & D- Taste and sensation to the posterior 1/3 of the tongue will be lost. The tonsillar fossa houses CN IX which provides those senses.

A. Taste Anterior 2/3rd of Tongue is provided by the Chorda Tympani via CN VII

B. Sensation to the Anterior 2/3 Tongue is provided by CNV3

Question 4

What muscle lies directly next to/superficially to the vocal folds? (MG)
A. Lateral cricoarytenoid
B. Vocalis
C. Transverse arytenoid
D. Oblique cricoarytenoid

Answer 4

B. Vocalis

All of the rest are also muscles of the larynx

Question 5

After a child swallows a bone, it becomes lodged in the periphorm recess. When attempting to remove the bone, the doctor must be cautious of a particular nerve. Which of the following symptoms would result if damage to this nerve occurred?

A) Hoarseness of voice
B) Loss of sensation of the pharynx above the vocal cords
C) Loss of sensation of the pharynx below the vocal cords
D) Inability to elevate the pharynx
E) Paralysis of the cricothyroid muscle

FA

Answer 5

B) Loss of sensation of the pharynx above the vocal cords. the internal laryngeal nerve runs within the periphorm recess, this is the upper pharynx’s main form of sensory innervation. Although the recurrent laryngeal nerve also runs within the periphorm recess, it runs deeper and thus isn’t as high of a risk compared to the internal laryngeal nerve.

Question 6

A Surgeon is doing a tracheotomy to a patient. Which of the following pairs are most likely to be injured? (mm)

A) Superior Thyroid Vein & Thyroid IMA
B) Superior Thyroid Artery & Inferior Thyroid Vein
C) Inferior Thyroid Artery & and Inferior Thyroid Vein
D) Inferior Thyroid Vein & Thyroid IMA
E) Thyroid IMA & External Laryngeal

Answer 6

Answer = D

Question 7

A patient is getting their thyroid removed and a nerve is accidentally cut. After the surgery the patients voice is very monotone. Which nerve was cut? (mm)

A) External Laryngeal
B) Recurrent Laryngeal 
C) Internal Laryngeal
D) Vagus
E) IX

Answer 7

Answer = A

if B was cut the voice would be hoarse

Question 8

The tensor veil palatini is innervated by ___?

Answer 8

V3