Prep U Answers

Question 0

The tendon of which muscle loops around the pterygoid hamulus?

Answer 0

Tensor veli palatini

Question 1

What are the two branches of the costocervical trunk off the subclavian artery?

Answer 1

Deep cervical artery

Superior intercostal artery

Question 2

In an emergency tracheotomy what structure is incised to gain access to the airway?

Answer 2

Cricothyroid membrane

Question 3

What two veins untie to form the straight sinus?

Answer 3

Inferior Sagittal sinus

Great cerebral vein if Galen

Question 4

What arch do the muscles of mastication develop from?

Answer 4

Arch 1

Question 5

Where is the cricopharyngeus muscle located?

Answer 5

Within the inferior constrictor

Question 6

What structure is used for an emergency tracheotomy?

Answer 6

Cricothyroid membrane (connects thyroid and cricoid cartilages)

Question 7

What other structure is located at the level if carotid bifurcation?

Answer 7

Superior border of the thyroid cartilage

Question 8

The pulse of what artery can be felt in front of the Tragus of the ear?

Answer 8

Superficial temporal artery

Question 9

What structure passes through both the superior orbital fissure and the common tendinous ring?

Answer 9

Abducens nerve

Question 10

What nerve is located near the piriform recess?

Answer 10

Internal branch of the superior laryngeal nerve (vagus)

Question 11

What is the function of the cricothyroid muscle?

Answer 11

Tenses/adducts vocal cords

Tilts thyroid cartilage forward

Question 12

What muscle divides the submandibular gland into superficial and deep parts?

Answer 12

Mylohyoid

Question 13

What fiber types are found in the greater petrosal nerve?

Answer 13

GVE (preganglionic para.)
GVA
SA

Question 14

What node does lymph from the tonsils drain to?

Answer 14

Jugulodigastric node

Question 15

What 2 structures are in danger if an object becomes lodged in the piriform recess?

Answer 15

Internal laryngeal nerve

Superior laryngeal artery

Question 16

What artery runs with the internal branch of the superior laryngeal nerve?

Answer 16

Superior laryngeal artery

Question 17

What artery runs with the external branch of the superior laryngeal nerve?

Answer 17

Superior thyroid artery

Question 18

What artery supplies the midbrain, temporal and occipital lobes?

Answer 18

Posterior cerebral artery

Question 19

What branch of the internal carotid Supplies the temporal lobe?

Answer 19

Middle cerebral

Question 20

What veins are associated with the thymus gland?

Answer 20

Inferior thyroid veins

Question 21

An infection in which sinus is most likely to cause optic neuritis?

Answer 21

Ethmoid

Question 22

What vertebral level is the cricoid cartilage located at?

Answer 22

C6

Question 23

What type of fibers control accommodation of the eye?

Answer 23

Ciliary muscles- parasympathetic fiber so

Question 24

What nerve provides sensory innervation to the anterior triangle?

Answer 24

Transverse cervical nerve

Question 25

What muscles open the rimma glottidis?

Answer 25

Posterior crioarytenoids

Question 26

What is the function of the cricothyroid muscle?

Answer 26

Tense the vocal folds

Tilt thyroid cartilage forward

Question 27

What structure do the middle ear and auditory tube develop from?

Answer 27

First pouch

Question 28

What are the boundaries of the infraglottic cavity?

Answer 28

Rima glottidis

Lower border of cricoid cartilage