Operator 214 Exam Study Questions
d. Outcomes - ✔ ✔ (unit 11) Patient-centered care should be provided to improve patients:
a. Intelligence
b. Willingness to pay
c. Friendliness
d. Outcomes
d. Patient modesty - ✔ ✔ (unit 13) Which of the following is not a benefit of effective cushioning
placement?
a. Relieves pressure
b. Keeps the patient in a position
c. Maintains head support
d. Patient modesty
d. Radio waves; gamma rays - ✔ ✔ (unit 1) Of the electromagnetic radiation forms, ___ have (has)
the lowest energy and ___ the highest.
a. Visible light; gamma rays
b. Radio waves; ultraviolet rays
c. Ultraviolet rays; x-rays
d. Radio waves; gamma rays
d. ribosomes - ✔ ✔ (unit 1) ___ is (are) responsible for protein synthesis.
a. Fats
b. Electrolytes
c. DNA
d. ribosomes
,d. The pelvis - ✔ ✔ (unit 13) When repositioning a patient in a wheelchair, which is the most
important area to adjust to make corrections to the patient's posture?
a. The arms
b. The legs
c. The feet
d. The pelvis
d. The phantom does not evaluate spatial resolution - ✔ ✔ (unit 10) Which of the following
statements is not true regarding digital fluoroscopy test phantoms?
a. The phantom usually is made of plastic
b. The phantom is patient-equivalent
c. Some layers might contain actual bone
d. The phantom does not evaluate spatial resolution
d. Their own care at the level they choose - ✔ ✔ (unit 11) Patients an become involved in care by
participating in:
a. Medical courses
b. Staff education efforts
c. Class action lawsuits
d. Their own care at the level they choose
d. Use a mask only for the patient - ✔ ✔ (unit 14) When transferring a contagious patient, which of
the following is NOT a safety precaution?
a. Cover patient with a sheet
b. Place a sheet on the table
c. Clean table after use
d. Use a mask only for the patient
d. Values between the highest attenuators and attenuated radiation - ✔ ✔ (unit 5) The exposure
values that are manipulated by histogram analyses to form an image are:
a. The greatest attenuating tissues or anatomy
,b. The lowest attenuating tissues
c. Areas outside the exposure field
d. Values between the highest attenuators and attenuated radiation
a. 25% - ✔ ✔ (unit 2) The density control function of an AEC unit allow for changes in radiation
exposure of at least ___ for each increment.
a. 25%
b. 50%
c. 75%
d. 100%
a. 5 to 10 minutes - ✔ ✔ (unit 13) How soon should you check on patients after you've placed them
in a new position?
a. 5 to 10 minutes
b. 30 to 45 minutes
c. 1 hour
d. 2 hours
a. 5% - ✔ ✔ (unit 2) The variability allowed for timer accuracy LONGER than 10ms is:
a. +/-5%
b. +/-10%
c. +/-15%
d. +/-20%
a. 50 mR - ✔ ✔ (unit 2) The ACR specifies that a maximum entrance exposure for chest views using
an ACR phantom should not exceed:
a. 50 mR
b. 100 mR
c. 1100 mR
, d. 5000 mR
a. 7 - ✔ ✔ (unit 12) A 2009 study in he Archives of Internal Medicine asserted that abnormal test
results were NOT communicated to patients in approximately ___% of cases.
a. 7
b. 33
c. 50
d. 70
a. 75 - ✔ ✔ (unit 2) A true portable x-ray generator is capable of a maximum kvP setting of:
a. 75
b. 85
c. 95
d. 105
a. A factor unique to digital imaging - ✔ ✔ A Moire artifact is caused by:
a. A factor unique to digital imaging
b. A faulty grid mechanism
c. Excessive kVp
d. Excessive scattered radiation
a. Actual focal spot - ✔ ✔ (unit 2) The actual rectangular surface of the target where electrons strike
the anode is called the:
a. Actual focal spot
b. Effective focal spot
c. Apparent focal spot
d. Projected focal spot
a. Adenine, guanine, thymine, cytosine - ✔ ✔ (unit 1) What 4 nitrogenous bases make up the "ladder
rungs" of the DNA double helix?
a. Adenine, guanine, thymine, cytosine