Radiodiagnosis Technologist mcq mock test

This is a timed quiz. You will be given 1800 seconds to answer all questions. Are you ready?

1800

Which is the type of interaction between X-rays and matter that do not produce ionization?

A:-Pair production

B:-Photoelectric effect

C:-Coherent scattering

D:-Compton scattering

Correct! Wrong!

Among the following, which is NOT the end product of photoelectric effect ?

A:-Photo electron

B:-Characteristic radiation

C:-Positive ion

D:-Proton

Correct! Wrong!

One gray is________rads

A:-1000

B:-10000

C:-10

D:-100

Correct! Wrong!

Permanent sterility for men occur at what range of exposure to radiation ?

A:-9 - 10 GY

B:-10 - 15 GY

C:-5 - 8 GY

D:-15 - 20 GY

Correct! Wrong!

To provide adequate radiation protection what should be he thickness of the wall of X-ray room ?

A:-25 cm brick with plaster

B:-15 cm brick with plaster

C:-10 cm concrete

D:-4 mm lead equivalent

Correct! Wrong!

All of the following are MR angiography techniques EXCEPT

A:-Time of flight

B:-Diffusion

C:-Phase contrast

D:-Contrast enhanced MRI

Correct! Wrong!

MCU is an investigation for visualisation of

A:-Uterus and fallopian tubes

B:-Bladder and urethra

C:-Oesophagus

D:-Kidneys and ureter

Correct! Wrong!

In double contrast barium enema when will be introduce air

A:-When barium column reaches rectum

B:-When barium column reaches hepatic flexure

C:-When barium column reaches splenic flexure

D:-When barium column reaches ascending colon

Correct! Wrong!

All of the following are on ionic contrast media EXCEPT

A:-Iopamidol

B:-Iohexol

C:-Urograffin

D:-Iopromide

Correct! Wrong!

What is the effective radiation dose to adult from a CT scan head ?

A:-2 msv

B:-4 msv

C:-0.2 msv

D:-6 msv

Correct! Wrong!

Grid controlled X-ray tubes means

A:-Hooded anode

B:-`3^(rd)` electrode

C:-Target other than tungsten

D:-Rotating anode

Correct! Wrong!

Effective energy of an X-ray beam is

A:-E max

B:-E max divided by 2

C:-E max divided by 3

D:-E max divided by 2.3

Correct! Wrong!

The energy of the characteristic X-ray produced depends on

A:-Effective energy of the X-ray beam

B:-Kvp

C:-mas

D:-Atomic number of the target

Correct! Wrong!

Heavy metal filter (k edge filter) is

A:-Gadolinium

B:-Iodine

C:-Copper

D:-Barium

Correct! Wrong!

Unit of dose equivalent is

A:-Sv

B:-Gy

C:-Roentgen

D:-J.kg

Correct! Wrong!

The average life of a radioactive materials is

A:-0.693/T

B:-0.693/T `1/2`

C:-1.44 T `1/2`

D:-1.44/T `1/2`

Correct! Wrong!

Amorphous selenium is a

A:-Photo conductor

B:-Photocathode

C:-Semiconductor

D:-Thermoluminescent material

Correct! Wrong!

What is ball catchers (Norgaard projection) view ?

A:-Hand lateral

B:-Wrist lateral

C:-Hand AP

D:-Posterior oblique view of both hands

Correct! Wrong!

One of the interactions of ultrasound with matter - reflection depends on

A:-Frequency of sound

B:-Viscosity of the conducting medium

C:-Relaxation time of the medium

D:-Acoustic impedance of the tissue

Correct! Wrong!

Reducing agent used in developer is

A:-Sodium thiosulfate

B:-Hydroquinone

C:-Sodium hydroxide

D:-Sodium carbonate

Correct! Wrong!

Skyline view is for visualisation of what structure

A:-Patella

B:-Scapula

C:-Scaphoid

D:-Lunate

Correct! Wrong!

Radiodiagnosis Technologist mcq mock test

Which is the type of interaction between X-rays and matter that do not produce ionization?

Among the following, which is NOT the end product of photoelectric effect ?

One gray is________rads

Permanent sterility for men occur at what range of exposure to radiation ?

To provide adequate radiation protection what should be he thickness of the wall of X-ray room ?

All of the following are MR angiography techniques EXCEPT

MCU is an investigation for visualisation of

In double contrast barium enema when will be introduce air

All of the following are on ionic contrast media EXCEPT

What is the effective radiation dose to adult from a CT scan head ?

Grid controlled X-ray tubes means

Effective energy of an X-ray beam is

The energy of the characteristic X-ray produced depends on

Heavy metal filter (k edge filter) is

Unit of dose equivalent is

The average life of a radioactive materials is

Amorphous selenium is a

What is ball catchers (Norgaard projection) view ?

One of the interactions of ultrasound with matter - reflection depends on

Reducing agent used in developer is

Skyline view is for visualisation of what structure

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