Protection/Safety
The total kinetic energy released in a unit mass (kilogram) of air and expressed in metric units of joules per kilogram is
a. absorbed dose.
b. air kerma.
c. effective dose.
d. equivalent dose.
B. Air kerma
When the ASIS-to-tabletop measurement is greater than 24 cm, the central-ray angulation for an AP knee is
a. 0 degrees.
b. 5 degrees cephalad.
c. 5 degrees caudad.
d. 3 degrees caudad.
B. 5 degrees cephalad
The normal average rate of respiration for a healthy adult patient is:
A. 5-7 breaths per minute
B. 8-12 breaths per minute
C. 12-20 breaths per minute
D. 20-30 breaths per minute
C. 12-20 breaths per min
To help dissipate the heat produced during x-ray production, the x-ray tube housing is filled with
a. air
b. water
c. refrigerant
d. oil
d. oil
What is a goiter?
A. enlarged thyroid gland
B. enlarged pituitary gland
C. enlarged adrenal gland
D. enlarged parathyroid gland
A. thyroid gland
Which of the following instruments is called a cutie pie?
a. survey meter
b. Ionization chamber-type survey meter
c. Optically stimulated luminescence dosimeter
d. Proportional counter
B. Ionization Cahmber-type survery meter
For the parietoacanthial projection (Waters) for the sinuses, the OML forms an angle of how many degrees with the IR?_
A. 53
B. 45
C. 25
D. 37
D. 37
Disclosing confidential information to an unauthorized individual is:
A. defamation
B. slander
C. spoliation
D. invasion of privacy
D. invasion of privacy
When considering the wave properties of electromagnetic radiation, the distance from the peak of one wave to the next is
a. wavelength
b. amplitude
c. frequency
d. velocity
a. wavelength
Which of the following diseases is characterized by an inflammation of the pleural membranes?
A. consolidation
B. atelectasis
C. asthma
D. pleurisy
D pleurisy
Direct action may occur after exposure to any type of radiation, but it is much more likely to occur after exposure to
a. low-LET radiation such as x-rays.
b. low-LET radiation such as gamma rays.
c. high-LET radiation such as alpha particles.
d. nonionizing radiation such as microwaves.
C. high-LET radiation such as alpha particles
Radiography of a long bone for fracture requires:
A. 2 images at 180-degree angles to one another
B. AP, lateral, oblique
C. 2 images at right angles to one another
D. PA and Lateral
C. 2 images at right angles to one another
A patient experiencing a syncopal episode should be placed in which of the following positions?
A. Dorsal recumbent with head elevated
B. Dorsal recumbent with feet elevated
C. Lateral recumbent
D. Seated with feet supported
B. Dorsal recumbent with feet elevated
The probability of a Compton interaction occurring depends on
a. the type of tissue being imaged
b. the binding energy of the atom’s inner-shell electron
c. the energy of the incoming x-ray photon
d. all of these
c. the energy of the incoming x-ray photon
The formation of pouches or sacs in the colon is?
A. diverticulitis
B. diverticulosis
C. diverticulum
D. diverticula
B. diverticulosis
The prodromal stage of acute radiation syndrome is actually the
a. beginning stage.
b. latent period.
c. manifest illness period.
d. recovery period.
A. beginning stage
The portion of a long bone from which it lengthens/grows is the:
A. Diaphysis
B. Epiphysis
C. Metaphysis
D. Apophysis
A. Diaphysis
Tracheostomy is indicated in cases of tracheal obstruction when the obstruction is located:
A. below the level of the larynx
B. above the level of the larynx
C. inferior to the carina
D. in the right primary bronchus
B. above the level of the larynx
Making the digital image appear with low contrast, many shades of gray, is done by
a. raising the window level
b. lowering the window level
c. increasing the window width (wide WW)
d. decreasing the window width (narrow WW)
c. increasing the window width (wide WW)
A life threatening condition, when the esophagus ends in a blind pouch, is:
A. pyloric stenosis
B. esophageal atresia
C. Hirschsprung disease
D. esophageal achalasia
B. esophageal atresia
atresia= congenital absence or closure of a normal body orifice or tubular organ
The term linear nonthreshold relationship implies that the biologic response to ionizing radiation is
a. directly proportional to the dose all the way down to levels approaching zero.
b. inversely proportional to the dose all the way down to levels approaching zero.
c. directly proportional to the square of the dose all the way down to levels approaching zero.
d. inversely proportional to the square of the dose all the way down to levels approaching zero.
a. directly proportional to the dose all the way down to levels approaching zero.
Which projection of the colon best demonstrates the left colic flexure?
a. AP axial
b. AP oblique, LPO
c. PA oblique, LAO
d. PA oblique, RAO
c. PA oblique, LAO
A cathartic is used to:
A. inhibit coughing
B. promote the elimination of urine
C. stimulate defecation
D. Induce vomiting
C. stimulate defecation
Increasing the kVp by 15% has the same effect as
a. increasing the mAs by 15%
b. doubling the mAs
c. decreasing the mAs by 15%
d. halving the mAs
b. doubling the mAs
With which type of neoplastic disease are Reed-Sternberg cells associated?
A. Leukemia
B. Non-Hodgkin lymphoma
C. Multiple myeloma
D. Hodgkin lymphoma
D. Hodgkin lymphoma
remember: Hodgkins HAS them