Postgraduate Oral Surgery Knowledge Quiz

 

 

1) Differential white blood cell counts in the laboratory are useful in the diagnosis of
 
a)   anemia.
b)  eosinophilia.
c)  thrombocytopenia.
d)  vitamin deficiency.

 
2) The patient has received an injection of 1.8 ml of local anesthetic containing 2% lidocaine with 1:100,000 epinephrine.Thirty seconds later he goes into syncope .The most probable cause is


 
a) bradycardia.
b) tachycardia.
c) cerebral hypoxia.
d) a toxic reaction to epinephrine.
 

3) Nitrous oxide alone is not used as a general anesthetic because of the


 
a) diffuculty in maintaining an adequate oxygen concentration.
b) expense of the agent and its explosive hazard.
c) adverse effect on the liver.
d) poor analgestic properties.
 

4) Drug of choice in the management of a patient with an acute allergic reaction involving bronchospasm and hypotension is
a. epinephrine
b. aminophylline
c. dexamethasone
d. diphenhydramine

 
a) epinephrine.
b) aminophylline.
c) dexamethasone.
d) diphenhydramine.
 

5) A deep level of anesthesia is enhanced by a


 
a) high alveolar concentration of anesthetic agent.
b) loose fitting mask.
c) nonirritating drug.
d) muscle relaxer.

6) A soft tissue flap consisting of mucosa and periosteum can be repositioned accurately because


 
a)  periosteum is very elastic.
b) mucosa is mostly collagen fibers.
c) periosteum sends filiform- like projections into the haversian canals.
d)  periosteum is relatively in elastic.

7) In administering artifical ventilation it is recommended that the rescuer deliver a resting tidal volume that is


 
a)   normal.
b)  twice the normal.
c) three times the normal.
d) four times the normal.

8) The most effective agent for the treatment of respiratory depression due to the over dose of barbiturates is


 
a)  oxygen.
b) caffeine.
c) nitrous oxide.
d) morphine.

9) Three common symptoms indicating that the correct level of sedation has been reached when using diazepam are blurring of vision, slurring of speech and


 
a)  sweating.
b) loss of gag reflex.
c) 50% ptosis of the eye.
d) paresthesia of the lips, tongue and fingers.

10) Treatment of a mucocele on the lower lip is by


 
a) incision.
b) loss of gag reflex.
c) incision and drainage.
d) excision, including adjacent minor salivary glands.

 
free count
 
 

 

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