LMRT State Exam UPDATED QUESTIONS
AND CORRECT ANSWERS
Radial artery - CORRECT ANSWER Most common site for palpitation of a patient's
pulse.
Respiration - CORRECT ANSWER Vital sign that can be assessed without touching
the patient.
AED - CORRECT ANSWER Device used to return the heart to a normal rhythm when
a patient in cardiac arrest presents with a rapid, weak, and ineffective heartbeat.
CPR - CORRECT ANSWER Basic life support system used to ventilate the lungs and
circulate the blood in the event of cardiac arrest.
Anaphylaxis - CORRECT ANSWER Severe allergic reaction.
Fomite transmission - CORRECT ANSWER Opportunity for disease transmission
when linens are not changed between patients.
Frequent handwashing - CORRECT ANSWER Single best protection against disease
for healthcare workers.
Asepsis - CORRECT ANSWER Process of reducing the probability that infectious
organisms will be transmitted to a susceptible individual.
Standard precautions - CORRECT ANSWER Involve the use of barriers whenever
contact is anticipated with blood, body fluids, or mucus membranes.
Indirect contact or fomite transmission - CORRECT ANSWER Type of disease
transmission possible when the limited operator does not clean the Bucky device after
performing an examination on a patient with influenza.
,Proper body mechanics - CORRECT ANSWER Correct statements include: 1. Use of a
broad stance, 2. Turn and lift using your back muscles, 3. Carry heavy objects close to your
body (1,3 only).
Mrs. Dunbar - CORRECT ANSWER Most likely to respond appropriately if addressed
as such.
Radiation dose and genetic effects - CORRECT ANSWER The link has been
demonstrated in animal studies; increased risk to humans cannot be predicted with respect to
an individual.
Increase kVp by 15% - CORRECT ANSWER Change in kilo voltage that results in the
greatest reduction of patient dose when milliampere-seconds is adjusted to compensate.
Gonad shields - CORRECT ANSWER Primary purpose is to reduce the likelihood of
genetic effects.
Types of gonad shields - CORRECT ANSWER Contact and Shadow.
Gonad shielding - CORRECT ANSWER Should be used when the gonads are within 5
cm of the radiation field.
Repeated exposures - CORRECT ANSWER Greatest cause of unnecessary radiation to
patients that can be controlled by the limited operator.
Clearly instructing patients - CORRECT ANSWER Method to reduce repeat
exposures.
X-ray beam restriction - CORRECT ANSWER Minimizes patient exposure by limiting
the radiation field to the area of interest.
,Collimator - CORRECT ANSWER Device that allows the limited operator to vary the
size of the radiation field.
Filtration - CORRECT ANSWER Reduces patient exposure by removing longer-
wavelength photons.
NCRP recommendation for total filtration - CORRECT ANSWER 2.5 mm Al equiv.
Methods to protect limited operators - CORRECT ANSWER Three principle methods
are Time, distance, shielding.
Personnel radiation shielding - CORRECT ANSWER Shadow is not a type.
Greatest radiation hazard - CORRECT ANSWER Scattered radiation from the patient
when personnel shielding is worn during exposure.
Leakage radiation - CORRECT ANSWER Term for radiation that escapes from the x-
ray tube.
Occupationally exposed individuals - CORRECT ANSWER Limited operators are
prohibited from activities that result in direct exposure to the primary x-ray beam.
Distance - CORRECT ANSWER Means that the operator should maximize the
distance from the source during an exposure.
Scatter radiation - CORRECT ANSWER Source of exposure that personnel shielding
is designed to attenuate.
TLD - CORRECT ANSWER Acronym for a common type of personnel dosimeter.
, Placement for personnel dosimeter - CORRECT ANSWER The badge should be worn
in the region of the collar on the anterior surface of the body and outside the lead apron, if
worn.
NCRP recommended annual effective dose limit - CORRECT ANSWER 50 mSv (0.05
Sv).
NCRP recommended monthly effective dose limit to the fetus - CORRECT
ANSWER 0.5 mSv (0.0005 Sv).
Radiation monitoring requirement - CORRECT ANSWER Required when 10% of the
annual occupational effective dose limit is likely to be received.
Conventional radiation unit for intensity - CORRECT ANSWER Roentgen.
Conventional unit for occupational dose - CORRECT ANSWER REM.
Conventional radiation unit for absorbed dose - CORRECT ANSWER Rad.
Bergonie-Tribondeau law - CORRECT ANSWER Embryonic tissue cells are most
radiosensitive.
Photoelectric interaction - CORRECT ANSWER Type of x-ray photon interaction
primarily responsible for the radiation dose absorbed by the patient.
NCRP recommendation for lead equivalency of aprons - CORRECT ANSWER 0.5
mm.
Erythema - CORRECT ANSWER Reddening of the skin caused by a high radiation
dose.
AND CORRECT ANSWERS
Radial artery - CORRECT ANSWER Most common site for palpitation of a patient's
pulse.
Respiration - CORRECT ANSWER Vital sign that can be assessed without touching
the patient.
AED - CORRECT ANSWER Device used to return the heart to a normal rhythm when
a patient in cardiac arrest presents with a rapid, weak, and ineffective heartbeat.
CPR - CORRECT ANSWER Basic life support system used to ventilate the lungs and
circulate the blood in the event of cardiac arrest.
Anaphylaxis - CORRECT ANSWER Severe allergic reaction.
Fomite transmission - CORRECT ANSWER Opportunity for disease transmission
when linens are not changed between patients.
Frequent handwashing - CORRECT ANSWER Single best protection against disease
for healthcare workers.
Asepsis - CORRECT ANSWER Process of reducing the probability that infectious
organisms will be transmitted to a susceptible individual.
Standard precautions - CORRECT ANSWER Involve the use of barriers whenever
contact is anticipated with blood, body fluids, or mucus membranes.
Indirect contact or fomite transmission - CORRECT ANSWER Type of disease
transmission possible when the limited operator does not clean the Bucky device after
performing an examination on a patient with influenza.
,Proper body mechanics - CORRECT ANSWER Correct statements include: 1. Use of a
broad stance, 2. Turn and lift using your back muscles, 3. Carry heavy objects close to your
body (1,3 only).
Mrs. Dunbar - CORRECT ANSWER Most likely to respond appropriately if addressed
as such.
Radiation dose and genetic effects - CORRECT ANSWER The link has been
demonstrated in animal studies; increased risk to humans cannot be predicted with respect to
an individual.
Increase kVp by 15% - CORRECT ANSWER Change in kilo voltage that results in the
greatest reduction of patient dose when milliampere-seconds is adjusted to compensate.
Gonad shields - CORRECT ANSWER Primary purpose is to reduce the likelihood of
genetic effects.
Types of gonad shields - CORRECT ANSWER Contact and Shadow.
Gonad shielding - CORRECT ANSWER Should be used when the gonads are within 5
cm of the radiation field.
Repeated exposures - CORRECT ANSWER Greatest cause of unnecessary radiation to
patients that can be controlled by the limited operator.
Clearly instructing patients - CORRECT ANSWER Method to reduce repeat
exposures.
X-ray beam restriction - CORRECT ANSWER Minimizes patient exposure by limiting
the radiation field to the area of interest.
,Collimator - CORRECT ANSWER Device that allows the limited operator to vary the
size of the radiation field.
Filtration - CORRECT ANSWER Reduces patient exposure by removing longer-
wavelength photons.
NCRP recommendation for total filtration - CORRECT ANSWER 2.5 mm Al equiv.
Methods to protect limited operators - CORRECT ANSWER Three principle methods
are Time, distance, shielding.
Personnel radiation shielding - CORRECT ANSWER Shadow is not a type.
Greatest radiation hazard - CORRECT ANSWER Scattered radiation from the patient
when personnel shielding is worn during exposure.
Leakage radiation - CORRECT ANSWER Term for radiation that escapes from the x-
ray tube.
Occupationally exposed individuals - CORRECT ANSWER Limited operators are
prohibited from activities that result in direct exposure to the primary x-ray beam.
Distance - CORRECT ANSWER Means that the operator should maximize the
distance from the source during an exposure.
Scatter radiation - CORRECT ANSWER Source of exposure that personnel shielding
is designed to attenuate.
TLD - CORRECT ANSWER Acronym for a common type of personnel dosimeter.
, Placement for personnel dosimeter - CORRECT ANSWER The badge should be worn
in the region of the collar on the anterior surface of the body and outside the lead apron, if
worn.
NCRP recommended annual effective dose limit - CORRECT ANSWER 50 mSv (0.05
Sv).
NCRP recommended monthly effective dose limit to the fetus - CORRECT
ANSWER 0.5 mSv (0.0005 Sv).
Radiation monitoring requirement - CORRECT ANSWER Required when 10% of the
annual occupational effective dose limit is likely to be received.
Conventional radiation unit for intensity - CORRECT ANSWER Roentgen.
Conventional unit for occupational dose - CORRECT ANSWER REM.
Conventional radiation unit for absorbed dose - CORRECT ANSWER Rad.
Bergonie-Tribondeau law - CORRECT ANSWER Embryonic tissue cells are most
radiosensitive.
Photoelectric interaction - CORRECT ANSWER Type of x-ray photon interaction
primarily responsible for the radiation dose absorbed by the patient.
NCRP recommendation for lead equivalency of aprons - CORRECT ANSWER 0.5
mm.
Erythema - CORRECT ANSWER Reddening of the skin caused by a high radiation
dose.
