Mosby Radiology review UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Density may be defined as:
A. Darkness on a Radiographic Image
B. A combination of contrast and recorded detail
C. The light areas of a radiographic image
D. Differences in dark areas on a radiographic image - CORRECT ANSWER - Darkness
on a Radiographic Image
The Radiographic image is formed by:
A. Exit rays striking the image receptor
B. Laser light
C. Cosmic rays
D. Electrons and heat - CORRECT ANSWER - Exit rays striking the image receptor
The primary controlling factors of density are:
A. kVp and SID
B. mAs and window level
C. SID and OID
D. OID and FSS - CORRECT ANSWER - mAs and window level
Which of the following describes the relationship between mAs and density?
A. Density is directly proportional to mAs
B. Density is inversely proportional to mAs
C. Density is directly proportional to mAs2
, D. mAs controls the number of electrons boiled off the anode and the number of x-rays produced
- CORRECT ANSWER - Density is directly proportional to mAs
The number of electrons boiled off the cathode and consequently the number of xrays produced
are controlled by:
A. kVp
B. SID
C. mAs
D. OID - CORRECT ANSWER - mAs
The law stating that any combinations of mA and time that produce the same mAs value will
produce the same radiographic density is the:
A. inverse square law
B. mAs-density law
C. reciprocity law
D. 15% law - CORRECT ANSWER - reciprocity law
The active portion of a CR IP is(are):
A. calcium tungstate
B. PSP
C. Silver bromide crystals
D. rare earth phosphor - CORRECT ANSWER - PSP
mAs directly controls:
A. The energy of the x-ray emission spectrum
B. The quality and quantity of x-rays produced at the cathode
C. The quality and quantity of x-rays produced at the anode
D. The quantity of x-rays produced - CORRECT ANSWER - The quantity of x-rays
produced
ACTUAL Exam Questions and CORRECT
Answers
Density may be defined as:
A. Darkness on a Radiographic Image
B. A combination of contrast and recorded detail
C. The light areas of a radiographic image
D. Differences in dark areas on a radiographic image - CORRECT ANSWER - Darkness
on a Radiographic Image
The Radiographic image is formed by:
A. Exit rays striking the image receptor
B. Laser light
C. Cosmic rays
D. Electrons and heat - CORRECT ANSWER - Exit rays striking the image receptor
The primary controlling factors of density are:
A. kVp and SID
B. mAs and window level
C. SID and OID
D. OID and FSS - CORRECT ANSWER - mAs and window level
Which of the following describes the relationship between mAs and density?
A. Density is directly proportional to mAs
B. Density is inversely proportional to mAs
C. Density is directly proportional to mAs2
, D. mAs controls the number of electrons boiled off the anode and the number of x-rays produced
- CORRECT ANSWER - Density is directly proportional to mAs
The number of electrons boiled off the cathode and consequently the number of xrays produced
are controlled by:
A. kVp
B. SID
C. mAs
D. OID - CORRECT ANSWER - mAs
The law stating that any combinations of mA and time that produce the same mAs value will
produce the same radiographic density is the:
A. inverse square law
B. mAs-density law
C. reciprocity law
D. 15% law - CORRECT ANSWER - reciprocity law
The active portion of a CR IP is(are):
A. calcium tungstate
B. PSP
C. Silver bromide crystals
D. rare earth phosphor - CORRECT ANSWER - PSP
mAs directly controls:
A. The energy of the x-ray emission spectrum
B. The quality and quantity of x-rays produced at the cathode
C. The quality and quantity of x-rays produced at the anode
D. The quantity of x-rays produced - CORRECT ANSWER - The quantity of x-rays
produced
