Radiology
Objective Type Questions
(Series –
43)
Q. 1. Advantages of rotating anode x-ray
tubes arer,
(a). Quick dissipation of heat
(b). High output of x-ray tube
(c). Short exposure time
(d). All of the above
Q. 2. Ideal material for construction of
anode should have,
(a). high atomic number
(b). high melting point
(c). high specific heat
(d). all of the above
Q. 3. Ideal anode material have,
(a). high thermal conductivity
(b). low vapour pressure even at high
temperature
(c). suitable mechanical properties for
construction purposes
(d). all of the above
Q. 4. Anode is made up of,
(a). tungsten with rhenium
(b). pure tungsten
(c). molybdenum
(d). none of the above
Q. 5. Quantity of x-ray received at given
point is dependent on,
(a). kVp
(b). mA
(c). mAs
(d). distance
Q. 6. Penetration of x-ray photon is related
to
(a). kVp
(b). mA
(c). distance
(d). time
Q. 7. Most of the time speed of modern x-ray
tubes is,
(a). 3000rpm
(b). 1600rpm
(c). 3500rpm
(d). 4000rpm
Q. 8. The leakage radiation is that radiation
which comes out,
(a). through glass window
(b). through tube housing
(c). both of the above
(d). none of the above
Q. 9. The glass envelope of diagnostic x-ray
tube is made up of,
(a). borosilicate
(b). ordinary glass
(c). steel
(d). none of the above
Q. 10. In modern x-ray tube, line focus
principle is used in the focal spot to get,
(a). good radiographic details
(b). sharper anatomical details
(c). withstand larger tube current, thus less
danger of destroying the x-ray tube
(d). all of the above
Answers
|
Q.
1 -
(d)
Q.
3 -
(d)
Q.
5 -
(c)
Q.
7 -
(a)
Q.
9 -
(a)
|
Q.
2 -
(d)
Q.
4 -
(a)
Q.
6 -
(a)
Q.
8 -
(c)
Q.10 - (d)
|
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