Postgraduate Oral Surgery Knowledge Quiz

 

 

1) The organism that most commonly causes infective endocarditis is

 
a)   sterptococcus mitis.
b) staphylococcus aureus.
c)  streptococcus viridans.
d) staphylococcus pyogens.

 
2) In a fracture involving the angle of an edentulous mandible,the proximal segment is usually
 
a) anterior and superior.
b)  anterior and inferior.
c)  inferior only.
d)  posterior.
 

3) The most common disorder causing pain about the masticatory apparatus including the TMJ

 
a) myofascial pain dysfunction syndrome.
b) trigeminal neuralgia.
c) degenerative arthritis.
d) traumatic arthritis.
 

4) A patient develops facial edema one day after removal of a tooth.Instructions to the patient should be to use

 
a) warm,wet applications outside and inside the mouth.
b) cold applications outside and inside the mouth.
c) intraoral cold applications only.
d) intraoral hot applications only.
 

5) The tendency to infection of bone after radiotherapy is probably related mainly to

 
a) decalcification.
b) invasion by malignant cells.
c) endarthritis of small blood vessels.
d) creation of dead space around the bone.

6) Two minutes after a two hour treatment sesion using 80% nitrous oxide,20%oxygen and a local anesthetic, the patient becomes cynotic and tachycardiac.The most probable explanation is

 
a) over oxygenation.
b) underoxygenation.
c) diffusion hypoxia.
d)  malignant hyperthermia.

7) The purpose of taping the eyes shut prior to draping a patient before surgery is to

 
a) prevent cornial abrasion.
b) keep the patient from becoming alarmed.
c) prevent lacriminal secreation from contaminating the field.
d) limit occular motility while the patient is asleep.

8) The primary cause of toxic manifestations following injection of a vasoconstrictor is

 
a)   allergic reaction.
b)  intramuscular injection.
c) injection into a nerve trunk.

9) Three minutes after receiving an inferior alvelor block for removal of a premolar,the patient develops paralysis of the muscles of the forehead,eyelids and upper and lower lips on the same side of the face.This is probably related to diffusion of the anesthetic solution into the

 
a)  otic ganglion.
b)  capsule of the parotid gland.
c) opthalmic division of the trigeminal nerve.
d) motor branches of the mandibular nerve supplying the masticatory muscles.

10) The most common post operative complication of outpatient general anesthesia is

 
a) nausea.
b) pneumonia.
c) atelectasis.
d) lung abcess.

 
free count
 
 

 

بوابة العرب الخدمية لاطباء الاسنان

?/span> 2007-2008 All Right Are Reserved To The Successful Dentist