MCQs of Oral and Maxillofacial Surgery (Middle Third of Face)

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1) Le Fort III fracture is the same as

Craniofacial dysjunction

Guerrin’s fracture

Pyramidal fracture

None of the above

ANS: A

……………………………………

2) Which of the following is not included in the Glassgow coma scale

Eye opening

Motor response

Verbal response

Pupil size

ANS: D

…………………………………………………

3) CSF rhinorrhea is found in :

Frontal bone structure

Zygomatico maxillary fracture

Naso ethmoidal fracture

Condylar fracture

ANS: C

………………………………………………

4) After fracture of middle cranial foramen there is epiphora this is due to damage of:

Ciliary ganglion

Greater palatine nerve

Infraorbital nerve

Nasolacrimal Duct

ANS: D

……………………………………

5) The first step in management of head injury is :

Secure airway

I.V. mannitol

I.V. dexamethasone

Blood transfusion

ANS: A

………………………………………………………

6) Which of the following is not a feature of Le Fort II fracture :

Enophthalmos

Malocclusion

Paraesthesia

CSF rhinorrhea

ANS: D

………………………………………………………

7) Gillis approach for reduction of zygomatic fractures is done through

Temporal fossa

Intra temporal fossa

Infra orbital fossa

All of the above

ANS: A

……………………………………………………

8) Guerin fracture is :

Maxillary fracture

Maxillary and zygomatic fracture

Maxillary and nasal bone fracture

Nasal bone fracture only

ANS: A

……………………………………………………

9) A fracture of eye by a ping pong boll is

Blow out fracture

Orbital fracture

Blow in fracture

Compound fracture

ANS: A

……………………………………………

……….

10) CSF rhinorrhea is not found in

LEFORT I

LEFORT II

LEFORT III

ethmoidal .

ANS: A

…………………………………………………………

“Panda facies” is commonly seen after

Le fort I fractures

Le fort II fractures

Mandible fractures

None of the above

ANS: B

…………………………………………………………

Walsham’s forceps are used to :

Remove teeth

Remove root

Clamp blood vessels

Reduce nasal bone fractures

ANS: D

…………………………………………………

A patient is in shock with gross comminuted fracture, immediate treatment is to give :

Normal saline

Ringer’s lactate solution

Whole blood

Plasma expanders

ANS: B

………………………………………………………

Forceps used for maxillary fracture disimpaction

Rowe’s

Bristows

Ashs

Walshams

ANS: A

……………………………………………………

Paresthesia is seen with which of the following types of fractures:

Subcondylar

Zygomatico maxillary

Coronoid process

Symphyseal

ANS: B

…………………………………………………

Diplopia is most common with :

Mandibular fracture

Craniofacial dysjunction

Nasal fractures

Zygomatico maxillary complex

ANS:D

………………………………………..

Suturing in facial wound injuries should be done with in:

2 hours

6 hours

4 hours

8 hours

ANS: A

……………………………………….

18.The “hanging drop appearance in the maxillary sinus radiograph indicates :

A nasal polyp

A blow out # of the orbit

A radiograph artifact

An antrolith

ANS: B

…………………………………………………

Le fort 1 fracture is characterized by:

Bleeding from the ear

Bleeding from the antrum

Angle class 2 skeletal relationship

None of the above

ANS: B

………………………………………..

Which is the immediate danger to a patient with severe facial injuries

Bleeding

Associated fracture spine

infection

respiratory obstruction

ANS: D

……………………………………………………………

The safest initial approachto open airway of patient with maxillofacial trauma is

Head tilt-chin tilt

Jaw thrust technique

Head lift-neck lift

Heimlich procedure

ANS: B
……………………………………………………

In depressed zygomatic arch fracture, difficulty in opening the mouth is caused by impingement of:

Condyles

Ramus

Petrous temporal

Coronoid process

ANS: D

…………………………………………………

True open bite is caused by :

Horizontal fracture of the maxilla

Unilateral fracture of mandibular angle

Fracture of the coronoid process of left side of mandible

Fracture of mandibular symphysis

ANS: A

………………………………………………………….

All of the following statements of nasal fractures are true except:

Even if minor, they may be followed by bilateral ecchymosis and facial oedema

They may need to be reduced for a few weeks

They need not be complicated by traumatic telecanthus

They may lead to the telescoping of the nasal complex into the frontal sinus

ANS: A

………………………………………………

Fixation with pack in maxillary sinus is

To support comminuted fracture of the body of zygomatic complex

To support and reconstitute comminuted orbital floor fracture

To protect mucosal covering of maxillary sinus

(A) and (B) are correct

ANS: D

……………………………………………….

Floating maxilla is typically found in :

Le Fort I or guerin fractures

Le Fort II or pyramidal fractures

Craniomandibular dysjunction

All of the above

ANS: A

………………………………………………………………..

In a patient of head njury which is more important to note first:

Pupillary light reflex

Pupillary size

Corneal reflex

Ability to open eye

ANS: D

……………………………………………………………

Which of the following always indicates obstruction to the airway?

Slow pounding pulse

Stertoreous breathing

Increase in pulse rate

Decrease in blood pressure

ANS: B

……………………………………………………

Moon face is seen in

Le Fort I

Le Fort II

Le Fort III

Orbital fractures

ANS: B

……………………………………………………………

Whitehead’s varnish in gauze is used to arrest bleeding from

Gingival crest

Bleeding from pulp

Bleeding from bone

Bleeding from capillaries

ANS:

………………………………………………………

In blow out fractures which of the following is seen

Enophthalmos

Exophtholmos

Bulbar hemorrhage

None

ANS: B

…………………………………………………

Gillis approach is used in

Open reduction of zygomatic fracture

Mandible

Closed reduction of zygomatic fracture

None of the above

ANS: C

………………………………………………….

Le Fort II fracture is called

Guerin

Pyramidal

Floating

Cranial disjunction

ANS: B

……………………………………………………

Diplopia after fracture results from entrapment of

Inferior rectus

Inferior oblique

Lateral rectus

Superior oblique

ANS:

………………………………………

  1. In Le Fort III fracture all are seen except
  2. Crack pot sound on tapping teeth
  3. CSF rhinorrhea
  4. Fracture at frontozygomatic suture
  5. Whole face is mobile
  6. None of the above

…………………………………………

  1. The muscle that aids in displacement of maxillary fractures are
  2. Masseter
  3. Temporalis
  4. Orbicularis oculi and orbicularis oris
  5. None of the above

…………………………………………

  1. Hooding of eyes is seen in which fracture :

  2. Le Fort 1
  3. Le Fort 2
    C.Le Fort 3
  4. Nasal bone

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