Pterygopalatine Fossa Practice Questions

Question 1

All the following are processes of the palatine bone except for which of the following?

Accepted Answer

Palatine process

Answer

Pyramidal process

Answer

Sphenoidal process

Answer

Orbital process

Question 2

All of the following structures lie outside the cavernous sinus except:

Accepted Answer

Internal carotid artery

Answer

Sphenoidal air sinus

Answer

Maxillary nerve

Answer

Foramen lacerum

Question 3

Identify the incorrect statement regarding the marked structure.

Accepted Answer

Accessory middle meningeal artery lies under this structure

Answer

It is the meeting point of frontal, parietal, temporal and sphenoid bones.

Answer

Blow to the lateral side of the skull injures the marked structure

Answer

It corresponds to site of anterolateral fontanelle of fetal skull

Question 4

Cranial nerve VIII passes through which of the following?

Accepted Answer

Internal acoustic meatus

Answer

Foramen ovale

Answer

Foramen rotundum

Answer

Stylomastoid foramen

Question 5

What is the primary function of the superior cervical ganglion?

Accepted Answer

Supplies sympathetic fibers to the dilator pupillae muscle

Answer

Is the largest cervical ganglion

Answer

Deep petrosal nerve of pterygopalatine ganglion is derived from plexus around internal carotid artery

Answer

Left superior cervical cardiac branch goes to deep cardiac plexus

Question 6

All the following are true regarding the 5th cranial (Trigeminal) nerve except:

Accepted Answer

Arises from midbrain

Answer

Provides sensory innervation to face

Answer

Innervates muscles of mastication

Answer

Carries parasympathetic fibers to salivary glands

Question 7

Juvenile nasopharyngeal angiofibroma spreading to pterygomaxillary fossa is which stage?

Accepted Answer

Stage II

Answer

Stage IV

Answer

Stage III

Answer

Stage I

Question 8

All of the following are structures associated with pterygopalatine fossa, EXCEPT:

Accepted Answer

Second part of maxillary artery

Answer

Maxillary nerve

Answer

Greater petrosal nerve

Answer

Pterygopalatine ganglion

Question 9

Hinge fracture is seen in

Accepted Answer

Middle cranial fossa

Answer

Posterior cranial fossa

Answer

Anterior cranial fossa

Answer

Vault

Question 10

Which bones form the floor of the nasal cavity in children?

Accepted Answer

Palatine process of the maxilla and horizontal plate of the palatine bone

Answer

Nasal bone and maxilla

Answer

Vomer and ethmoid

Answer

Nasal crest of maxilla and palatine process of maxilla

Pterygopalatine Fossa — MCQs

Pterygopalatine Fossa — MCQs

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