Dr Hatem EL Bitar Prometric Dental MCQ

__________________________________________________________________________

All copy rights © reserved to Dr Hatem El Bitar

بسم هللا الرحمن الرحيم

Prometric

Dental

MCQS

Dr Hatem EL Bitar Prometric Dental MCQ

__________________________________________________________________________

All copy rights © reserved to Dr Hatem El Bitar

Collected

By

DR.

Hatem EL Bitar

-Dental Specialist

-Egyptian Fellowship

Dr Hatem EL Bitar Prometric Dental MCQ

__________________________________________________________________________

All copy rights © reserved to Dr Hatem El Bitar

I want to thank

God for all his

givings , support

and inspiration .

Dr Hatem EL Bitar Prometric Dental MCQ

__________________________________________________________________________

All copy rights © reserved to Dr Hatem El Bitar

Special thanks to all my

family who supports me to

achieve this effort .

Especially my mother who

inspired me and was there

for me all the time.

Dr Hatem EL Bitar Prometric Dental MCQ

__________________________________________________________________________

All copy rights © reserved to Dr Hatem El Bitar

Also Special thanks to

mediance academy who

helps me to bublish this

book.

I dedicate this book to them

all.

Dr Hatem EL Bitar Prometric Dental MCQ

__________________________________________________________________________

All copy rights © reserved to Dr Hatem El Bitar

Dr Hatem EL Bitar Prometric Dental MCQ

__________________________________________________________________________

All copy rights © reserved to Dr Hatem El Bitar

-A dentist is removing extrinsic stains from a patients teeth when

suddenly the patient loses consciousness and stops breathing.What

is the first step in the management of this medical emergency

a. make sure there is an unobstructed airway

b. determine the cause of loss of consciousness

c. loosen tight clothing

d. attempt to ventilate the patient lungs

-.Among the following the most efficient method of brushing is

a. sulcular brushing

b. the stillmans technique

c. the side-to-side technique

d. the Charter technique

Dr Hatem EL Bitar Prometric Dental MCQ

__________________________________________________________________________

All copy rights © reserved to Dr Hatem El Bitar

-When removing an impacted third molar,a dentist sections the

tooth for each of the following reasons except one.which one is this

exception

a. to shorten the surgical procedure

b. to minimize the amount of bone to be removed

c. to allow the tooth to be delivered to the occlusal aspect

d. to minimize exertion of force necessary to remove the teeth

-The most likely tissue reaction to gross over extension of a

complete denture that has been worn for a long time is

a. epulis fissuratum

b. pyogenic granuloma

c. papillary hyperplasia

d. gaint cell reperative granuloma

Dr Hatem EL Bitar Prometric Dental MCQ

__________________________________________________________________________

All copy rights © reserved to Dr Hatem El Bitar

-.The optimal time to employ an orthodontic appliance that takes

the advantage of growth is during

a. late primary dentition

b. early mixed dentition

c. late mixed dentition

d. early permanent dentition

-Intial repolarization of the nerve after stimulation is due primarly

to

a. active transport of K+ into the cell

b. active transport of Na+ out of the cell

c. diffusion of Na+ into the cell along the concentration gradient

d. diffusion of K+ out of the cell along the concentration gradient

Dr Hatem EL Bitar Prometric Dental MCQ

__________________________________________________________________________

All copy rights © reserved to Dr Hatem El Bitar

-.Selection of the proper kilovoltage for dental films is influenced by

a. target-film distance

b. temperature of the developing solution

c. diameter of the primary beam of radiation

d. density of the tissues to be radiographed

-.Local anesthetic agents act as nerve membrane stabilizers by

a. creating negative afterpotential

b. increasing conductance of potassium ions

c. preventing conductance of sodium ions from the interior of the

nerve to the exterior

d. preventing conductance of the sodium ions from the exterior of

the nerve to the interior

Dr Hatem EL Bitar Prometric Dental MCQ

__________________________________________________________________________

All copy rights © reserved to Dr Hatem El Bitar

-.Clinical examination of 15 yr old girl reveals permanent central

incisiors, permanent canines and primary canines anterior to

premolar .The most probable cause

a. thumb sucking habits

b. ankylosed primary canine

c. arch length deficiency and premature exfoliation of permanent

laterals

d. congenitally missing permanent lateral incisior

-.Which of the following is an example of naturally acquired passive

immunity in humans

a. injection of gammaglobulins

b. transfusion of immune blood

c. placental transfer of antibody

d. antibody produced during recovery from measles

Dr Hatem EL Bitar Prometric Dental MCQ

__________________________________________________________________________

All copy rights © reserved to Dr Hatem El Bitar

-A 9 yr old child has a white spot on the facial surface of a

permanent maxillary central incisior .This condition is most

probably due to

a. hypocalcification secondary to trauma to the primary dentition in

the area

b. a hypoplastic defect secondary to a systemic infection at 6-12

months of age

c. a disturbance during the morphodifferentiation stage of tooth

development

d. hypercalcified enamel secondary to increased calcium uptake in

the tooth at 6-12 months of age

-Following the amputation of the coronal portion of the pulp of an

immature permanent first molar,the root stump should be capped

with

a. formocresol

b. calcium chloride

c. zinc oxide eugenol

d. calcium hydroxide