2010 Released Qs And Ans

Front 1

Extraction of a tooth is
CONTRAINDICATED in the dental
office for a patient who
1. is 4 months pregnant.
2. has a Factor~VIII deficiency.
3. has a cavernous hemangioma adjacent
to the tooth.
4. is hypothyroid.
5. had a myocardial infarct two months
ago.

Back 1

2. has a Factor~VIII deficiency.
3. has a cavernous hemangioma adjacent
to the tooth.
5. had a myocardial infarct two months
ago.

Front 2

An accidental injection of diazepam into
an artery instead of a vein may cause
A. pain on vessel puncture.
B. bright red blood on aspiration.
C. severe pain in the limb extremities.
D. gangrene of the limb.
E. All of the above.

Back 2

E. All of the above

Front 3

Loss of sensation over the distribution of
the inferior dental nerve is a possible
complication from
1. removal of an impacted mandibular
third molar tooth.
2. removal of a torus mandibularis.
3. an acute osteomyelitis of the
mandible.
4. an uncomplicated removal of a
mandibular second molar.

Back 3

1. removal of an impacted mandibular
third molar tooth.
3. an acute osteomyelitis of the
mandible.

Front 4

In a safe general anesthetic mixture, the
MINIMALLY acceptable percentage of
oxygen is
A. 5 percent.
B. 10 percent.
C. 20 percent.
D. 50 percent.
E. 80 percent.

Back 4

D. 50 percent.

Front 5

A patient is premedicated prior to general
anaesthesia in order to
1. lessen metabolic activity.
2. depress reflex irritability.
3. control excess salivation.
4. avoid haemorrhage.

Back 5

1. lessen metabolic activity.

Front 6

Cardiac arrhythmias are most commonly
seen during administration of
A. thiopental.
B. halothane.
C. ethyl ether.
D. nitrous oxide.

Back 6

B. halothane.

Front 7

The major stimulator of respiration is
A. low blood pressure.
B. high percentage of blood oxygen.
C. low percentage of blood carbon
dioxide.
D. high percentage of blood carbon
dioxide.

Back 7

D. high percentage of blood carbon
dioxide.

Front 8

The majority of nitrous oxide is eliminated
from a patient's circulatory system through
the
A. lungs.
B. kidneys.
C. liver enzymes.
D. plasma enzymes.
E. intestinal gas.

Back 8

A. lungs.

Front 9

Which of the following nerves are
anesthetized by an infraorbital nerve
block?
1. Zygomatico-temporal.
2. Palpebral.
3. Zygomatico-facial.
4. Lateral nasal.
5. Labial.

Back 9

2. Palpebral.
4. Lateral nasal.
5. Labial.

Front 10

Needle deflection increases as
A. depth of injection increases.
B. needle length increases.
C. needle gauge increases.
D. All of the above.

Back 10

D. All of the above.