Rad 3 Summer 08 Final Flashcards Preview

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Flashcards in Rad 3 Summer 08 Final Deck (16)
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1
Q

BLACK branching streaks randomly placed on the film is usually do to what?

a. light leak
b. static electricity
c. bending the film
d. cracks in the screen
e. too high of a kV setting

A

static electricity

Dirt = white

2
Q

Which type of film is preferred in a chiropractic office?

a. single emulsion
b. double emulsion
c. direct exposure
d. par speed exposure

A

double emulsion

single for extremities

3
Q

Which of the following advantage does a single screen cassette have?

a. increased image detail
b. increased speed
c. decreased exposure
d. decreased image latitude

A

increased image detail

4
Q

An arbitrary number of 100 speed screens is referred to as _______

a. par
b. fast
c. high
d. rare earth

A

par

5
Q

“Rare earth” screen have which effect?

a. allows more patient motion due to increased time
b. less ration dose to the patient
c. eliminates the need for gonad shielding
d. higher x-ray exposure to the patient

A

less radiation dose to the patient

6
Q

Which of the following would produce the most grain (noise) on the film?

a. using no screens
b. using par speed screens
c. using detail screens
d. using fast speed screens

A

using fast speed screens

7
Q

With intensifying screens which would give better detail?

a. larger crystals
b. thicker phosphor layer
c. a reflective layer
d. a single screen system

A

a single screen system

8
Q

Which color light is preferred from the intensifying screen crystals today?

a. blue
b. green
c. violet
d. blue-green

A

blue-green

9
Q

A 100 speed rare earth dual screen system are often used for which of the following?

a. chest
b. wrist
c. cervical spine
d. lumbo-sacral spot

A

wrist

10
Q

What would oxidized developer look like?

a. clear
b. yellow
c. orange
d. brown

A

brown

11
Q

Which of the following is true about manual processing?

a. fixing is twice as long as developing
b. washing is twice as long as developing
c. rinsing is twice as long as fixing
d. developing is twice as long as fixing

A

fixing is twice as long as developing

12
Q

With processing equipment, which tank contains an acidic solution?

a. developer tank
b. master tank
c. fixing tank
d. rinse tank
e. wash tank

A

fixing tank

13
Q

Four inches of concrete is equivalent to how much lead?

a. 1/32 of an inch
b. 1/16 of an inch
c. 1/8 of an inch
d. 1/4 of an inch

A

1/16 of an inch

14
Q

A primary barrier needs to be how thick when using lead?

a. 1/32 of an inch
b. 1/16 of an inch
c. 1/8 of an inch
d. 1/4 of an inch

A

1/16 of an inch

15
Q

Which of the following has been established DL for occupational exposure of the extremities?

a. 5 rads/year
b. 15 rads/year
c. 50 rads/year
d. 500 rads/year

A

50 rads/year

Whole body - 5
Eyes - 15
Extremities - 50
Fetus - 0.5

16
Q

Which of the following is TRUE about holding a patient for x-ray procedures?

a. the doctor should hold the patient
b. the holder should wear a lead apron
c. an employee should hold the patient
d. the holder can be under 18 years old
e. a pregnant patient could hold the patient

A

the holder should wear a lead apron