LMRT CORE EXAM QUESTIONS AND
ANSWERS GRADED A+ 2025/2026
What is the most common site for palpitation of a patients pulse? - ANS Radial artery in wrist
Which of the following vital signs can be assessed without touching the patient? -
ANS Respiration
When a patient in cardiac arrest presents with a rapid, weak, and ineffective heartbeat. What
device is used to return the heart to a normal rhythm? - ANS AED
What is the basic life support system used to ventilate the lungs and circulate the blood in the
event of cardiac arrest? - ANS CPR
What is anaphylaxis? - ANS Severe allergic reaction
a limited operator who does not change linens between patients is - ANS providing an
opportunity for fomite transmission
A healthcare workers single best protection against disease is: - ANS Frequent handwashing
the process of reducing the probability that infectious organisms will be transmitted to a
susceptible individual is called - ANS asepsis
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,Standard precautions involve the use of barriers whenever contact is anticipated with:
1. Blood
2. Body fluids
3. Mucus membrane - ANS 1,2,3
What type of disease transmission is possible when the limited operator does not clean the
Bucky device after performing an examination on a patient with influenza? - ANS Indirect
contact or fomite transmission
Which of the following are correct statements of proper body mechanics?
1. Use of a broad stance
2. Turn and lift using your back muscles
3. Carry heavy objects close to your body - ANS 1,3 only
Mrs. Elizabeth Dunbar is 86 years old and a bit confused. She is most likely to respond
appropriately if you address her as: - ANS Mrs. Dunbar
Which of the following statements are correct regarding the link between radiation dose and
genetic effects?
1. The link has been demonstrated in human studies
2. The link has been demonstrated in animal studies
3. Increased risk to humans cannot be predicted with respect to an individual - ANS 2,3
Which of the following changes in kilo voltage will result in the greatest reduction of patient
dose, when milliampere-seconds is adjusted to compensate for the change? - ANS Increase
Kip by 15%
What is the primary purpose of using gonad Sheilds during radiology? - ANS Reduce the
likelihood of genetic effects
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Which of the following are types of gonad shields?
1. Aperture
2. Contact
3. Shadow - ANS 2 and 3 only
When should gonad shielding be used? - ANS when the gonads are within 5 cm of the
radiation field
The greatest cause of unnecessary radiation to the patients that can be controlled by the limited
operator is: - ANS Repeated exposures
The limited operator can reduce repeat exposures by: - ANS clearly instructing patients
How does x-ray beam restriction minimize patient exposure: - ANS it limits the radiation field
to the area of interest
What is the device that allows the limited operator to vary the size of the radiation field? -
ANS collimator
How does filtration reduce patient exposure - ANS removes longer-wavelength photons
What is the national council on radiation protection and measurements (NCRP)
recommendation for the amount of total filtration? - ANS 2.5 mm Al equiv
What are the three principle methods used to protect limited operators from unnecessary
radiation exposure? - ANS Time, distance, shielding
Which of the following is not a type of personnel radiation shielding? - ANS Shadow
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
ANSWERS GRADED A+ 2025/2026
What is the most common site for palpitation of a patients pulse? - ANS Radial artery in wrist
Which of the following vital signs can be assessed without touching the patient? -
ANS Respiration
When a patient in cardiac arrest presents with a rapid, weak, and ineffective heartbeat. What
device is used to return the heart to a normal rhythm? - ANS AED
What is the basic life support system used to ventilate the lungs and circulate the blood in the
event of cardiac arrest? - ANS CPR
What is anaphylaxis? - ANS Severe allergic reaction
a limited operator who does not change linens between patients is - ANS providing an
opportunity for fomite transmission
A healthcare workers single best protection against disease is: - ANS Frequent handwashing
the process of reducing the probability that infectious organisms will be transmitted to a
susceptible individual is called - ANS asepsis
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
,Standard precautions involve the use of barriers whenever contact is anticipated with:
1. Blood
2. Body fluids
3. Mucus membrane - ANS 1,2,3
What type of disease transmission is possible when the limited operator does not clean the
Bucky device after performing an examination on a patient with influenza? - ANS Indirect
contact or fomite transmission
Which of the following are correct statements of proper body mechanics?
1. Use of a broad stance
2. Turn and lift using your back muscles
3. Carry heavy objects close to your body - ANS 1,3 only
Mrs. Elizabeth Dunbar is 86 years old and a bit confused. She is most likely to respond
appropriately if you address her as: - ANS Mrs. Dunbar
Which of the following statements are correct regarding the link between radiation dose and
genetic effects?
1. The link has been demonstrated in human studies
2. The link has been demonstrated in animal studies
3. Increased risk to humans cannot be predicted with respect to an individual - ANS 2,3
Which of the following changes in kilo voltage will result in the greatest reduction of patient
dose, when milliampere-seconds is adjusted to compensate for the change? - ANS Increase
Kip by 15%
What is the primary purpose of using gonad Sheilds during radiology? - ANS Reduce the
likelihood of genetic effects
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Which of the following are types of gonad shields?
1. Aperture
2. Contact
3. Shadow - ANS 2 and 3 only
When should gonad shielding be used? - ANS when the gonads are within 5 cm of the
radiation field
The greatest cause of unnecessary radiation to the patients that can be controlled by the limited
operator is: - ANS Repeated exposures
The limited operator can reduce repeat exposures by: - ANS clearly instructing patients
How does x-ray beam restriction minimize patient exposure: - ANS it limits the radiation field
to the area of interest
What is the device that allows the limited operator to vary the size of the radiation field? -
ANS collimator
How does filtration reduce patient exposure - ANS removes longer-wavelength photons
What is the national council on radiation protection and measurements (NCRP)
recommendation for the amount of total filtration? - ANS 2.5 mm Al equiv
What are the three principle methods used to protect limited operators from unnecessary
radiation exposure? - ANS Time, distance, shielding
Which of the following is not a type of personnel radiation shielding? - ANS Shadow
3 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
