RTBC - X-ray tube and components
exam questions & answers8
Which three of the following imaging modalities use an x-ray tube? - ANSWERS-Mammography
Fluoroscopy
Computed tomography CT
What component of the x-ray tube is the source of free electrons? - ANSWERS-Cathode
What component of the x-ray tube is the source of x-rays? - ANSWERS-Anode
The term "space charge" within the x-ray tube refers to? - ANSWERS-Free electrons
Which component of the following diagram represents the negatively charged portion of the x-
ray tube assembly? - ANSWERS-Component G
The space charge effect limits the functional Millieamperage (mA) of the x-ray tube to
approximately - ANSWERS-1,000 mA
What is the principal advantage of using the large filament within a dual focus x-ray tube? -
ANSWERS-Increased heat capacity
Which of the following situations will require the use of the large filament within a dual focus x-
ray tube? - ANSWERS-Abdominal imaging on a bariatric patient
, Which component of the x-ray tube diagram represents the actual site of x-ray photon
emission? - ANSWERS-Component D
Which component of the x-ray tube diagram represents the electromagnets of the induction
motor assembly? - ANSWERS-Component A
The anode heel affect is defined as a variation in which of the following? - ANSWERS-Beam
quantity across the x-ray field
As a result of the anode heel affect, the anode side of the x-ray field demonstrates - ANSWERS-
Lower intensity
The use of an x-ray tube with a large anode angle results in which two of the following -
ANSWERS-- Increased focal spot size
- Increased heat capacity
What is the anode heel affect caused by - ANSWERS-X-ray absorption within the anode
Directing the anode side of the x-ray field towards the toes during an AP projection of the foot
results in which of the following? - ANSWERS-More uniform receptor exposure
Do use of an x-ray tube with a small anode angle results in which two of the following -
ANSWERS-- decreased focal spot size
- Decreased heat capacity
Which of the following exposure modifications will increase the anode heel effect - ANSWERS-
Decreased SID
exam questions & answers8
Which three of the following imaging modalities use an x-ray tube? - ANSWERS-Mammography
Fluoroscopy
Computed tomography CT
What component of the x-ray tube is the source of free electrons? - ANSWERS-Cathode
What component of the x-ray tube is the source of x-rays? - ANSWERS-Anode
The term "space charge" within the x-ray tube refers to? - ANSWERS-Free electrons
Which component of the following diagram represents the negatively charged portion of the x-
ray tube assembly? - ANSWERS-Component G
The space charge effect limits the functional Millieamperage (mA) of the x-ray tube to
approximately - ANSWERS-1,000 mA
What is the principal advantage of using the large filament within a dual focus x-ray tube? -
ANSWERS-Increased heat capacity
Which of the following situations will require the use of the large filament within a dual focus x-
ray tube? - ANSWERS-Abdominal imaging on a bariatric patient
, Which component of the x-ray tube diagram represents the actual site of x-ray photon
emission? - ANSWERS-Component D
Which component of the x-ray tube diagram represents the electromagnets of the induction
motor assembly? - ANSWERS-Component A
The anode heel affect is defined as a variation in which of the following? - ANSWERS-Beam
quantity across the x-ray field
As a result of the anode heel affect, the anode side of the x-ray field demonstrates - ANSWERS-
Lower intensity
The use of an x-ray tube with a large anode angle results in which two of the following -
ANSWERS-- Increased focal spot size
- Increased heat capacity
What is the anode heel affect caused by - ANSWERS-X-ray absorption within the anode
Directing the anode side of the x-ray field towards the toes during an AP projection of the foot
results in which of the following? - ANSWERS-More uniform receptor exposure
Do use of an x-ray tube with a small anode angle results in which two of the following -
ANSWERS-- decreased focal spot size
- Decreased heat capacity
Which of the following exposure modifications will increase the anode heel effect - ANSWERS-
Decreased SID
