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Core - Limited Scope Exam Questions and Complete Solutions Graded A+
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Core - Limited Scope Exam Questions and Complete Solutions Graded A+
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Core - LimitedScope Exam
Questions and
Complete Solutions
Graded A+
Denning [Date] [Course title]
,When a technician is performing a general warm-up procedure on a single-phase X-ray tube, the
exposure factors should be
a. kVp 60, small focal spot, timer 0.25-0.50 seconds.
b. kVp 66, large focal spot, timer 1-2 seconds.
c. kVp 80, large focal spot, timer 0.25-0.50 seconds.
d. kVp 80, small focal spot, timer 1-2 seconds. - Correct Answer: B. a. kVp 66, large focal spot, timer 1-2
seconds.
What controls focal spot size selection?
a. kV selection
b. Temperature of filament
c. mA station selection
d. Timer selection - Correct Answer: c. mA station selection
1. Which of the following could result from improper tube warm-up?
a. Overexposed radiograph
b. Cracked tube
c. Static in bearing
d. Blown filament - Correct Answer: b. Cracked tube
A spin top test checks the accuracy of the
a. mA station
b. timer
c. kVp selection
Line compensator - Correct Answer: b. timer
When a technician is preparing X-ray equipment for producing radiographs, what ensures that the
equipment is receiving a constant 220 volts?
a. kVp selector
b. Autotransformer
,c. Line compensator
d. Timer - Correct Answer: c. Line compensator
According to Occupational Safety and Health Administration (OSHA) standards, when preparing the
examination room for the next patient, any blood-contaminated surface should be cleaned with
a. 1:100 bleach solution
b. 80% isopropyl alcohol
c. Septisol
d. Hot water and soap solution - Correct Answer: a. 1:100 bleach solution
When a technician is performing a general warm-up procedure on a single-phase X-ray tube, the
exposure factors should be
a. kVp 60, small focal spot, timer 0.25-0.50 seconds.
b. kVp 66, large focal spot, timer 1-2 seconds.
c. kVp 80, large focal spot, timer 0.25-0.50 seconds.
d. kVp 80, small focal spot, timer 1-2 seconds. - Correct Answer: b. kVp 66, large focal spot, timer 1-2
seconds.
What controls focal spot size selection?
a. kV selection
b. Temperature of filament
c. mA station selection
d. Timer selection - Correct Answer: c. mA station selection
Which of the following could result from improper tube warm-up?
a. Overexposed radiograph
b. Cracked tube
c. Static in bearing
d. Blown filament - Correct Answer: b. Cracked tube
, A spin top test checks the accuracy of the
a. mA station
b. timer
c. kVp selection
d. Line compensator - Correct Answer: b. timer
When a technician is preparing X-ray equipment for producing radiographs, what ensures that the
equipment is receiving a constant 220 volts?
a. kVp selector
b. Autotransformer
c. Line compensator
d. Timer - Correct Answer: c. Line compensator
According to Occupational Safety and Health Administration (OSHA) standards, when preparing the
examination room for the next patient, any blood-contaminated surface should be cleaned with
a. 1:100 bleach solution
b. 80% isopropyl alcohol
c. Septisol
d. Hot water and soap solution - Correct Answer: a. 1:100 bleach solution
Appropriate examination gowns should be provided for patients to
a. Prevent clothing damage
b. Decrease patient exposure dose
c. Monitor patient condition
d. Prevent artifacts - Correct Answer: d. Prevent artifacts
Which of the following would cause artifacts to appear on a radiograph of the chest?
a. kVp too high
b. Timer length too short
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