Dentist Exam Questions

 

Dentist Exam Questions and answers

Question:

What kind of radiation exposure causes damage slowly over time before the effects are noticed?

Options:

a. Acute

b. Chronic

c. Cumulative

d. Natural

   Answer:

   c. Cumulative

Question:

The use of a thyroid collar is contra indicated when exposing ------------

Options:

a. Panoramic radiographs

b. Occlusal radiographs

c. Intra oral films on children

d. Intra oral films on edentulous patients.

   Answer:

a. Panoramic radiographs

 

Question:

Coloumb per kilogram is equivalent to which unit of exposure that is used in the united states?

Options:

a. Roentgen (R)

b. RAD

c. REM

d. Sievert(SV)

   Answer:

   a. Roentgen (R)

 

Question:

What is used to determine the amount of radiation exposure an operator has received?

Options:

a. A dosimeter badge

b. A blood test

c. The number of radiographs exposed

d. The MPD formula

   Answer:

a. A dosimeter badge

 

HAAD LICENSE PROCESS

Question:

The time frame between exposure to radiation and development of biologic effect is called the -----------

Options:

a. Radiosensitive period

b. Sievert period

c. Latent period

d. Rad period

   Answer:

c. Latent period

 

Question:

What is the maximum dosage of radiation for a dental assistant per year?

Options:

a. REM

b. 0.5 REM

c. 5 REMs

d. 10 REMs

   Answer:

c. 5 REMs

 

Question:

Which of the following choices is the best way to take a peripheral radiograph on an uncooperative 5year old child?

Options:

a. The clinician holds the film during exposure

b. The parent holds the film during exposure

c. The radiograph is taken when the child is older

d. The clinician takes a panoramic radiograph instead

   Answer:

b. The parent holds the film during exposure

 

Question:

When exposing a radiograph , the operator should stand

Options:

a. At least 6 feet away from the xray beam

b. Only at right angles to the tube head

c. In front of the patient to monitor film position

d. Next to the patient while wearing a lead apron

   Answer:

a. At least 6 feet away from the xray beam

 

Question:

Which airborne infectious disease is a leading cause of death worldwide and is an occupational risk for health care workers?

Options:

a. HIV

b. Legionnaires’ disease

c. Tetanus

d. Tuberculosis

  Answer:

d. Tuberculosis

 

Question:

A pandemic disease is one that-------------

Options:

a. Is temporary

b. Is characterized by immediate symptoms

c. Occurs over a large geographical area

d. Occurs in a specific population only

   Answer:

c. Occurs over a large geographical area

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