Mosby's Review: Chapter 4: Image
Production 100 Last-Minute Revision
Toolkit: Everything You Need to Know.
What device may be used to ensure consistency of radiographic quality from one exposure to the next?
a. electronic timer
b. step up transformer
c. automatic exposure control
d. high frequency generator - ✔ ✔ c. automatic exposure control
What device spins at 10,000-12,000 rpm?
A. Anode
B. mA meter
C. Ionization chamber
D. Step-up transformer - ✔ ✔ A. Anode
What device uses maximum heat storage ability of the tube to deliver mAs?
a. anode
b. ma meter
c. ionization chamber
d. falling load generator - ✔ ✔ d. falling load generator
what is atomic mass
a. the number of protons plus the number of neutrons
,b. the number of protons
c. the number of electrons
d. the number of protons plus the number of electrons - ✔ ✔ a. the number of protons plus the
number of neutrons
what is located in the xray circuit between the higt voltage transformer and the xray tube
a. step down transformer
b. rectifier
c. cathode
d. timer - ✔ ✔ b. rectifier
what is the most commonly used aec
a. phototimer
b. ma meter
c. ionization chamber
d. falling load generator - ✔ ✔ c. ionization chamber
a step down transformer
a. steps down voltage
b. steps down current
c. steps up voltage
d. steps up current - ✔ ✔ a. steps down voltage
an image intensifiers conversion factors is expressed as the
ratio of
a. the flux gain to the minification gain
, b. the luminance of the output phosphor to the exposure rate at the input phosphor
c. the exposure rate at the output phosphor to the exposure rate at the input phosphor
d. the size of the input phosphor to the size of the output phosphor - ✔ ✔ b. the luminance of the
output phosphor to the exposure rate at the input phosphor
as radiation strikes matter
a. the energy of rays is destroyed
b. the energy of rays is increased as they acquire the energy of the atoms
c. the energy is transferred to the atoms according to the law of conservation of energy
d. the energy is converted to matter according to Einsteins theory - ✔ ✔ c. the energy is transferred
to the atoms according to the law of conservation of energy
at what speed do xrays travel
a. the speed of light- 186,000 miles per hour
b. the speed of the incident electrons- 93,000 miles per second
c. the speed of light- 186,000 miles per second
d. infinite speed - ✔ ✔ c. the speed of light- 186,000 miles per second
calculating heat units for three phase, 12 pulse equipment requires the use of ___ as a constant;
calculating heat units for single phase equipments requires the use of __ as a constant; calculating heat
units for three phase, 6 pulse equipment requires the use of __ as a constant.
a. 1.0, 1.35, 1.41
b. 1.35, 1.0, 1.41
c. calculating heat units does not require the use of a constant because all xrays possess the same
ionizing potential
d. 1.41, 1.0, 1.35 - ✔ ✔ d. 1.41, 1.0, 1.35
choose all of the following statements that are accurate regarding electrostatic charges
Production 100 Last-Minute Revision
Toolkit: Everything You Need to Know.
What device may be used to ensure consistency of radiographic quality from one exposure to the next?
a. electronic timer
b. step up transformer
c. automatic exposure control
d. high frequency generator - ✔ ✔ c. automatic exposure control
What device spins at 10,000-12,000 rpm?
A. Anode
B. mA meter
C. Ionization chamber
D. Step-up transformer - ✔ ✔ A. Anode
What device uses maximum heat storage ability of the tube to deliver mAs?
a. anode
b. ma meter
c. ionization chamber
d. falling load generator - ✔ ✔ d. falling load generator
what is atomic mass
a. the number of protons plus the number of neutrons
,b. the number of protons
c. the number of electrons
d. the number of protons plus the number of electrons - ✔ ✔ a. the number of protons plus the
number of neutrons
what is located in the xray circuit between the higt voltage transformer and the xray tube
a. step down transformer
b. rectifier
c. cathode
d. timer - ✔ ✔ b. rectifier
what is the most commonly used aec
a. phototimer
b. ma meter
c. ionization chamber
d. falling load generator - ✔ ✔ c. ionization chamber
a step down transformer
a. steps down voltage
b. steps down current
c. steps up voltage
d. steps up current - ✔ ✔ a. steps down voltage
an image intensifiers conversion factors is expressed as the
ratio of
a. the flux gain to the minification gain
, b. the luminance of the output phosphor to the exposure rate at the input phosphor
c. the exposure rate at the output phosphor to the exposure rate at the input phosphor
d. the size of the input phosphor to the size of the output phosphor - ✔ ✔ b. the luminance of the
output phosphor to the exposure rate at the input phosphor
as radiation strikes matter
a. the energy of rays is destroyed
b. the energy of rays is increased as they acquire the energy of the atoms
c. the energy is transferred to the atoms according to the law of conservation of energy
d. the energy is converted to matter according to Einsteins theory - ✔ ✔ c. the energy is transferred
to the atoms according to the law of conservation of energy
at what speed do xrays travel
a. the speed of light- 186,000 miles per hour
b. the speed of the incident electrons- 93,000 miles per second
c. the speed of light- 186,000 miles per second
d. infinite speed - ✔ ✔ c. the speed of light- 186,000 miles per second
calculating heat units for three phase, 12 pulse equipment requires the use of ___ as a constant;
calculating heat units for single phase equipments requires the use of __ as a constant; calculating heat
units for three phase, 6 pulse equipment requires the use of __ as a constant.
a. 1.0, 1.35, 1.41
b. 1.35, 1.0, 1.41
c. calculating heat units does not require the use of a constant because all xrays possess the same
ionizing potential
d. 1.41, 1.0, 1.35 - ✔ ✔ d. 1.41, 1.0, 1.35
choose all of the following statements that are accurate regarding electrostatic charges
