RTBC A+ CORE MOCK EXAM 2: LATEST VERSION ENGAGING
QUESTIONS AND ANSWERS (100% ACCURATE)
Within digital radiography, bit depth defines the:
a. smallest exposure difference that can be detected by the digital system
b. total line pairs per millimeter that can be resolved by digital system
c. total number of gray shades that can be produced by the digital system
d. total number of photons striking the digital receptor
total number of gray shades that can be resolved by digital system
What compound is used in flat-panel image receptors to convert incoming x-ray
photons directly into an electrical signal?
a. amorphous selenium
b. amorphous silicon
c. cesium iodide
d. gadolinium oxysulfide
amorphous selenium
During digital image formation, quantization occurs in the:
a. analog-to-digital converted
b. detector assembly
c. tech's control console
d. x-ray tube housing
analog to digital converter
Which of the following models was used to establish radiation protection
standards for stochastic effects of radiation?
a. linear nonthreshold model
b. linear threshold model
c. nonlinear nonthreshold model
d. nonlinear threshold model
linear nonthreshold model
What breathing instructions should be given for a lateral sternum x-ray?
a. expiration
b. inspiration
,c. no breathing instructions needed
d. shallow breathing during exposure
inspiration
The document in which patients identify the type and amount of nutritional and
life sustaining treatments desired at the end of life is referred to as which of the
following?
a. do not resuscitate order
b. durable power of attorney
c. living will
d. patient's bill of rights
living will
Which of the following conditions would be an indication for retrograde
urethrography?
a. bladder cancer
b. evaluation of renal pelvis
c. history of kidney stones
d. urethral obstruction
urethral obstruction
Which of the following is considered an intentional tort?
a. failure to obtain consent
b. assault
c. breach of confidentiality
d. malpractice
assault
As matrix size increases, the pixel size:
a. decreases
b. increases
c. remains the same
decreases
Patient participation in a research study is voluntary and should be accompanied
by:
, a. an advanced directive
b. compensation
c. guarantee of treatment
d. informed consent
informed consent
Which of the following changes increases the severity of the anode heel effect?
a. decreasing object-to-image distance
b. decreasing source-to-image distance
c. increasing object-to-image distance
d. increasing source-to-image distance
decreasing source-to-image distance
increasing the object-to-image distance from 1" to 2" will result in:
a. decreased scatter production
b. decreased spatial resolution
c. increased scatter production
d. increased spatial resolution
decreased spatial resolution
Do not resuscitate (DNR) orders are specific instructions regarding
cardiopulmonary resuscitation (CPR), intubation, and what other life-saving
measure?
a. defibrillation
b. feeding tube placement
c. intravenous medication
d. oxygen delivery
defibrillation
Radiation-induced cataracts are classified as a:
a. deterministic effect
b. genetic effect
c. prodromal effect
d. stochastic effect
deterministic effect
QUESTIONS AND ANSWERS (100% ACCURATE)
Within digital radiography, bit depth defines the:
a. smallest exposure difference that can be detected by the digital system
b. total line pairs per millimeter that can be resolved by digital system
c. total number of gray shades that can be produced by the digital system
d. total number of photons striking the digital receptor
total number of gray shades that can be resolved by digital system
What compound is used in flat-panel image receptors to convert incoming x-ray
photons directly into an electrical signal?
a. amorphous selenium
b. amorphous silicon
c. cesium iodide
d. gadolinium oxysulfide
amorphous selenium
During digital image formation, quantization occurs in the:
a. analog-to-digital converted
b. detector assembly
c. tech's control console
d. x-ray tube housing
analog to digital converter
Which of the following models was used to establish radiation protection
standards for stochastic effects of radiation?
a. linear nonthreshold model
b. linear threshold model
c. nonlinear nonthreshold model
d. nonlinear threshold model
linear nonthreshold model
What breathing instructions should be given for a lateral sternum x-ray?
a. expiration
b. inspiration
,c. no breathing instructions needed
d. shallow breathing during exposure
inspiration
The document in which patients identify the type and amount of nutritional and
life sustaining treatments desired at the end of life is referred to as which of the
following?
a. do not resuscitate order
b. durable power of attorney
c. living will
d. patient's bill of rights
living will
Which of the following conditions would be an indication for retrograde
urethrography?
a. bladder cancer
b. evaluation of renal pelvis
c. history of kidney stones
d. urethral obstruction
urethral obstruction
Which of the following is considered an intentional tort?
a. failure to obtain consent
b. assault
c. breach of confidentiality
d. malpractice
assault
As matrix size increases, the pixel size:
a. decreases
b. increases
c. remains the same
decreases
Patient participation in a research study is voluntary and should be accompanied
by:
, a. an advanced directive
b. compensation
c. guarantee of treatment
d. informed consent
informed consent
Which of the following changes increases the severity of the anode heel effect?
a. decreasing object-to-image distance
b. decreasing source-to-image distance
c. increasing object-to-image distance
d. increasing source-to-image distance
decreasing source-to-image distance
increasing the object-to-image distance from 1" to 2" will result in:
a. decreased scatter production
b. decreased spatial resolution
c. increased scatter production
d. increased spatial resolution
decreased spatial resolution
Do not resuscitate (DNR) orders are specific instructions regarding
cardiopulmonary resuscitation (CPR), intubation, and what other life-saving
measure?
a. defibrillation
b. feeding tube placement
c. intravenous medication
d. oxygen delivery
defibrillation
Radiation-induced cataracts are classified as a:
a. deterministic effect
b. genetic effect
c. prodromal effect
d. stochastic effect
deterministic effect
