Exam 2 - Bushong Chapters 5, 6, 7, and
8 with 100% complete solutions
The charges on an electrified object are distributed __________.
a. evenly throughout the object.
b. on the side nearest the charge.
c. on the topside of the object.
d. in the center of the object. - correct answer ✔✔a. evenly throughout the
object.
An electromagnet includes:
a. a coil of wire.
b. an iron core.
c. a solenoid.
d. all of these. - correct answer ✔✔d. all of these.
If the intensity of the beam is 900 mR at a distance of 21 inches, what does the
distance need to be for the intensity to measure 100 mR?
a. 10.5 inches.
b. 7 inches.
,c. 63 inches.
d. 42 inches. - correct answer ✔✔c. 63 inches.
Electricity is typically thought to be the same as:
a. electrodynamics.
b. electronics.
c. electrostatics.
d. electromagnetism. - correct answer ✔✔a. electrodynamics.
Current that changes direction in the conductor is:
a. weak current.
b. direct current.
c. indirect current.
d. alternating current. - correct answer ✔✔d. alternating current.
Which of the following occurs first in the sequence of events leading to x-ray
production?
a. voltage becomes kilovoltage.
b. AC is converted to DC.
c. anode and cathode become positively and negatively charged.
,d. electrons flow from cathode to anode. - correct answer ✔✔a. voltage becomes
kilovoltage.
Mutual induction involves electricity being induced into a ______________.
a. primary coil.
b. secondary coil.
c. moving magnetic field.
d. none of these. - correct answer ✔✔b. secondary coil.
Most of the heat generated at the target is due to ___________.
a. nucleus bombardment.
b. outer-shell excitation.
c. inner-shell ionization.
d. K x-rays. - correct answer ✔✔b. outer-shell excitation.
Electrification occurs through the movement of ___________.
a. electrons only.
b. protons and electrons.
c. electrons and neutrons.
d. protons only. - correct answer ✔✔a. electrons only.
, The anode serves as a(n):
a. target for the electron interaction to produce x-ray.
b. electrical conductor.
c. heat conductor.
d. all of these. - correct answer ✔✔d. all of these.
AEC stands for:
a. automatic exposure centering.
b. automatic x-ray control.
c. applied exposure control.
d. automatic exposure control. - correct answer ✔✔d. automatic exposure
control.
When a conductor is longer:
a. resistance decreases.
b. resistance increases.
c. resistance remains the same.
d. none of these. - correct answer ✔✔b. resistance increases.
To increase the quantity of radiation by adjusting the kVp to the same level as
doubling the mAs, increase kVp by a factor of:
8 with 100% complete solutions
The charges on an electrified object are distributed __________.
a. evenly throughout the object.
b. on the side nearest the charge.
c. on the topside of the object.
d. in the center of the object. - correct answer ✔✔a. evenly throughout the
object.
An electromagnet includes:
a. a coil of wire.
b. an iron core.
c. a solenoid.
d. all of these. - correct answer ✔✔d. all of these.
If the intensity of the beam is 900 mR at a distance of 21 inches, what does the
distance need to be for the intensity to measure 100 mR?
a. 10.5 inches.
b. 7 inches.
,c. 63 inches.
d. 42 inches. - correct answer ✔✔c. 63 inches.
Electricity is typically thought to be the same as:
a. electrodynamics.
b. electronics.
c. electrostatics.
d. electromagnetism. - correct answer ✔✔a. electrodynamics.
Current that changes direction in the conductor is:
a. weak current.
b. direct current.
c. indirect current.
d. alternating current. - correct answer ✔✔d. alternating current.
Which of the following occurs first in the sequence of events leading to x-ray
production?
a. voltage becomes kilovoltage.
b. AC is converted to DC.
c. anode and cathode become positively and negatively charged.
,d. electrons flow from cathode to anode. - correct answer ✔✔a. voltage becomes
kilovoltage.
Mutual induction involves electricity being induced into a ______________.
a. primary coil.
b. secondary coil.
c. moving magnetic field.
d. none of these. - correct answer ✔✔b. secondary coil.
Most of the heat generated at the target is due to ___________.
a. nucleus bombardment.
b. outer-shell excitation.
c. inner-shell ionization.
d. K x-rays. - correct answer ✔✔b. outer-shell excitation.
Electrification occurs through the movement of ___________.
a. electrons only.
b. protons and electrons.
c. electrons and neutrons.
d. protons only. - correct answer ✔✔a. electrons only.
, The anode serves as a(n):
a. target for the electron interaction to produce x-ray.
b. electrical conductor.
c. heat conductor.
d. all of these. - correct answer ✔✔d. all of these.
AEC stands for:
a. automatic exposure centering.
b. automatic x-ray control.
c. applied exposure control.
d. automatic exposure control. - correct answer ✔✔d. automatic exposure
control.
When a conductor is longer:
a. resistance decreases.
b. resistance increases.
c. resistance remains the same.
d. none of these. - correct answer ✔✔b. resistance increases.
To increase the quantity of radiation by adjusting the kVp to the same level as
doubling the mAs, increase kVp by a factor of:
