LMRT CORE EXAM 2025 UPDATED ACTUAL
EXAM WITH CORRECT SOLUTIONS.
What is the most common site for palpitation of a patients
pulse? - correct answer- Radial artery in wrist
Which of the following vital signs can be assessed without
touching the patient? - correct answer- 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? - correct answer- AED
What is the basic life support system used to ventilate the lungs
and circulate the blood in the event of cardiac arrest? - correct
answer- CPR
What is anaphylaxis? - correct answer- Severe allergic reaction
,2 | Page
a limited operator who does not change linens between
patients is - correct answer- providing an opportunity for fomite
transmission
A healthcare workers single best protection against disease is: -
correct answer- Frequent handwashing
the process of reducing the probability that infectious
organisms will be transmitted to a susceptible individual is
called - correct answer- asepsis
Standard precautions involve the use of barriers whenever
contact is anticipated with:
1. Blood
2. Body fluids
3. Mucus membrane - correct answer- 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? - correct answer-
Indirect contact or fomite transmission
,3 | Page
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 - correct answer- 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: -
correct answer- 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 - correct answer- 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? - correct answer-
Increase Kip by 15%
, 4 | Page
What is the primary purpose of using gonad Sheilds during
radiology? - correct answer- Reduce the likelihood of genetic
effects
Which of the following are types of gonad shields?
1. Aperture
2. Contact
3. Shadow - correct answer- 2 and 3 only
When should gonad shielding be used? - correct answer- 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: - correct
answer- Repeated exposures
The limited operator can reduce repeat exposures by: - correct
answer- clearly instructing patients
How does x-ray beam restriction minimize patient exposure: -
correct answer- it limits the radiation field to the area of interest