Page 1 of 39
RADIOLOGY HESI QUIZ QUESTIONS 2026 LATEST EXAM
SOLVED QUESTIONS & ANSWERS VERIFIED 100%
GRADED A+
The ________ is the unit used to describe the dose of ionizing radiation
received by a patient.
a. rem
b. Sievert
c. rad
d. Roentgen
c
What unit is used to measure occupational dose?
a. rem
b. rad
c. Roentgen
d. Curie
a
The gray is equivalent to _____.
a. .001 rems
b. .01 rems
c. .001 rads
d. .01 rads
d
A measure of 10-3 rads is a
a. megarad
b. millirad
c. microrad
d. centirad
b
, Page 2 of 39
Radioactive material is measured in _______.
a. rads
b. rems
c. seiverts
d. curies
d
A seivert is equal to a rem multiplied by _____.
a. 0.0001
b. 0.001
c. 0.01
c
The basic quantities measured in mechanics are ________, ________, and
________.
a. volume, length, meters
b. mass, length, time
c. radioactivity, dose, exposure
d. meters, kilos, seconds
b
An example of a derived quantity in mechanical physics is a ________.
a. meter
b. second
c. dose
d. volume
d
What is the standard unit of mass?
a. kilogram
b. meter
c. centimeter
d. pound
a
______ is a special quantity of radiologic science.
a. Mass
b. Velocity
, Page 3 of 39
c. Radioactivity
d. Momentum
c
Which system of units uses the foot, the pound, and the second?
a. SI
b. MKS
c. CGS
d. British
c
What is the base SI unit for mass?
a. pound
b. kilogram
c. centigram
d. meter
b
The special unit used to measure exposure dose is the ______.
a. J/kg
b. s-1
c. SID
d. C/kg
d
The study of objects at rest and objects in motion is the branch of physics
called
a. radiation
b. mechanic
c. nuclear
d. Newtonian.
d
What is the equation for velocity?
a. v = d/t
b. t = d/v
c. v = d × t
d. d = t/v
c
, Page 4 of 39
Newton's second law is written mathematically as ________.
a. F = m/a
b. F = a/m
c. F = ma
d. F = m-a
c
Momentum is a _________ quantity.
a. special
b. derived
c. base
d. None of the above.
d
What is the formula for kinetic energy?
a. KE = 2 m/v2
b. KE = mv2
c. KE = ½ m/v
d. KE = ½ mv2
d
The mass of 1000 cm3 at 4° C is equal to a
a. kilogram
b. seivert
c. kilowatt
d. gram
a
The velocity of light is written as
a. c = 8 × 10 8sq m/s.
b. c = 10 8sq m/s.
c. c = 3 × 10 8sq m/s.
d. c = 3 × 10 m/s.
c
Momentum is the product of the
a. Weight of an object and its velocity.
b. Mass of an object and its velocity.
RADIOLOGY HESI QUIZ QUESTIONS 2026 LATEST EXAM
SOLVED QUESTIONS & ANSWERS VERIFIED 100%
GRADED A+
The ________ is the unit used to describe the dose of ionizing radiation
received by a patient.
a. rem
b. Sievert
c. rad
d. Roentgen
c
What unit is used to measure occupational dose?
a. rem
b. rad
c. Roentgen
d. Curie
a
The gray is equivalent to _____.
a. .001 rems
b. .01 rems
c. .001 rads
d. .01 rads
d
A measure of 10-3 rads is a
a. megarad
b. millirad
c. microrad
d. centirad
b
, Page 2 of 39
Radioactive material is measured in _______.
a. rads
b. rems
c. seiverts
d. curies
d
A seivert is equal to a rem multiplied by _____.
a. 0.0001
b. 0.001
c. 0.01
c
The basic quantities measured in mechanics are ________, ________, and
________.
a. volume, length, meters
b. mass, length, time
c. radioactivity, dose, exposure
d. meters, kilos, seconds
b
An example of a derived quantity in mechanical physics is a ________.
a. meter
b. second
c. dose
d. volume
d
What is the standard unit of mass?
a. kilogram
b. meter
c. centimeter
d. pound
a
______ is a special quantity of radiologic science.
a. Mass
b. Velocity
, Page 3 of 39
c. Radioactivity
d. Momentum
c
Which system of units uses the foot, the pound, and the second?
a. SI
b. MKS
c. CGS
d. British
c
What is the base SI unit for mass?
a. pound
b. kilogram
c. centigram
d. meter
b
The special unit used to measure exposure dose is the ______.
a. J/kg
b. s-1
c. SID
d. C/kg
d
The study of objects at rest and objects in motion is the branch of physics
called
a. radiation
b. mechanic
c. nuclear
d. Newtonian.
d
What is the equation for velocity?
a. v = d/t
b. t = d/v
c. v = d × t
d. d = t/v
c
, Page 4 of 39
Newton's second law is written mathematically as ________.
a. F = m/a
b. F = a/m
c. F = ma
d. F = m-a
c
Momentum is a _________ quantity.
a. special
b. derived
c. base
d. None of the above.
d
What is the formula for kinetic energy?
a. KE = 2 m/v2
b. KE = mv2
c. KE = ½ m/v
d. KE = ½ mv2
d
The mass of 1000 cm3 at 4° C is equal to a
a. kilogram
b. seivert
c. kilowatt
d. gram
a
The velocity of light is written as
a. c = 8 × 10 8sq m/s.
b. c = 10 8sq m/s.
c. c = 3 × 10 8sq m/s.
d. c = 3 × 10 m/s.
c
Momentum is the product of the
a. Weight of an object and its velocity.
b. Mass of an object and its velocity.
