LMRT Review 3 2026/2027 | Actual Questions And Answers
Latest Updated 2026/2027 (Graded A+)
•
Which is among the guidelines for determining when the gonads should be shielded
i. - ✔✔-when the gonads are within 5 centimeters of the collimated primary beam.
ii. -when the patient is of reproductive age.
iii. -when clinical objectives permit.
•
Examples of radiation induced conditions at follow a linear nonthreshold dose response relationship
include.
- ✔✔Genetic a fixed, radiation induced cancer, leukemia
•
What minimum total amount situation is required an x-ray equipment operating above 70 KVP
- ✔✔2.5 mm aluminum (AL) equivalent.
•
Which x-ray production process do most x-rays get produced by?
- ✔✔Bremsstrahlung
•
Where/how should a typical personal radiation monitor be worn?
- ✔✔At collar level, facing forward
•
What exposure factors regulate x-ray photon wavelength and beam penetration
- ✔✔KV
•
What is a 35-year-old radiation workers lifetime cumulative affected dose limit?
- ✔✔350 mSv
•
Which of the following are not types of beam restrictions?
- ✔✔Collimators, cones, aperture diagrams, are all examples or types of being restrictions
•
Which of the major intersections between x-ray photons in tissue cells is a major contributor to patient
dose?
- ✔✔Compton scatter
•
Biologic material irradiated under hypoxic conditions is
- ✔✔less sensitive than when irradiated under oxygenated conditions
, •
The annual affect dose limit for radiography students participating in clinical education before the age
of 18 is:
- ✔✔1 mSv
•
The following are types of protective apparel for personnel
- ✔✔Lead aprons, Lead gloves, thyroid shields
•
True or false, the energy of an x-ray beam can be described as polygenic, or having a spectrum of
energies?
- ✔✔True
•
The genetic dose of radiation borne by each member of the reproductive population is called the?
- ✔✔genetically significant dose
•
Because the primary x-ray beam is polyenergetic, the entrance dose is often significantly ________ than
the exit dose.
- ✔✔Significantly greater than the exit dose
•
The type of a cute radiation syndrome that requires the least amount of ionizing radiation does to occur
is
- ✔✔Hematological
•
Where/how should a fetal personal radiation want her to be worn?
- ✔✔Under the lead apron, at waist level
•
Which of the following illustrates the inverse square law?
- ✔✔Distance is a most effective protection from radiation
•
Which is not a type a patient shield?
- ✔✔Flat shadow shields
•
Two basic types of protective barriers are
- ✔✔Primary barriers and secondary barriers
•
Which of the following results in total absorption of an incident x-ray photon?
- ✔✔photoelectric interaction
Latest Updated 2026/2027 (Graded A+)
•
Which is among the guidelines for determining when the gonads should be shielded
i. - ✔✔-when the gonads are within 5 centimeters of the collimated primary beam.
ii. -when the patient is of reproductive age.
iii. -when clinical objectives permit.
•
Examples of radiation induced conditions at follow a linear nonthreshold dose response relationship
include.
- ✔✔Genetic a fixed, radiation induced cancer, leukemia
•
What minimum total amount situation is required an x-ray equipment operating above 70 KVP
- ✔✔2.5 mm aluminum (AL) equivalent.
•
Which x-ray production process do most x-rays get produced by?
- ✔✔Bremsstrahlung
•
Where/how should a typical personal radiation monitor be worn?
- ✔✔At collar level, facing forward
•
What exposure factors regulate x-ray photon wavelength and beam penetration
- ✔✔KV
•
What is a 35-year-old radiation workers lifetime cumulative affected dose limit?
- ✔✔350 mSv
•
Which of the following are not types of beam restrictions?
- ✔✔Collimators, cones, aperture diagrams, are all examples or types of being restrictions
•
Which of the major intersections between x-ray photons in tissue cells is a major contributor to patient
dose?
- ✔✔Compton scatter
•
Biologic material irradiated under hypoxic conditions is
- ✔✔less sensitive than when irradiated under oxygenated conditions
, •
The annual affect dose limit for radiography students participating in clinical education before the age
of 18 is:
- ✔✔1 mSv
•
The following are types of protective apparel for personnel
- ✔✔Lead aprons, Lead gloves, thyroid shields
•
True or false, the energy of an x-ray beam can be described as polygenic, or having a spectrum of
energies?
- ✔✔True
•
The genetic dose of radiation borne by each member of the reproductive population is called the?
- ✔✔genetically significant dose
•
Because the primary x-ray beam is polyenergetic, the entrance dose is often significantly ________ than
the exit dose.
- ✔✔Significantly greater than the exit dose
•
The type of a cute radiation syndrome that requires the least amount of ionizing radiation does to occur
is
- ✔✔Hematological
•
Where/how should a fetal personal radiation want her to be worn?
- ✔✔Under the lead apron, at waist level
•
Which of the following illustrates the inverse square law?
- ✔✔Distance is a most effective protection from radiation
•
Which is not a type a patient shield?
- ✔✔Flat shadow shields
•
Two basic types of protective barriers are
- ✔✔Primary barriers and secondary barriers
•
Which of the following results in total absorption of an incident x-ray photon?
- ✔✔photoelectric interaction
