Question33:-Types of biological effects of radiation are
Acbalanced and unbalanced
B:-reversible and irreversible
Cestochastic and deterministic
Delinear and non-linear
Correct Answer:- Option-C
Question34:-In PC-PNDT Act, 1994, which is the form for informed consent for invasive procedures
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‎B:-Form B
‏۴۶ب‎
‎2:۶6
‎Correct Answer:- Option-D
Question35:-The MR equivalent of ‘power absorbed per unit mass’, just like we measure Gy in ionizing radiation, is
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111
Specific Absorption Rate (SAR)
D-Mechanical Index (Mt)
Correct Answer:- Option-C
Question36:-In MRI, the abbreviation TE in a pulse-echo sequence, stands for
Actesla echo
B:-thermal efficiency
೦೮7೬ to exit
Distime to echo
Correct Answer:- Option-D
Question37:-The is the thickness of a specific substance that, when introduced in the path of @ beam of radiation, reduces exposure rate by hal.
‘Ac-Attenuation Difference (AD)
B:-HalfLife Thickness (HLT)
C:HalfValue Layer (HVL)
D-None of these
Correct Answer:- Option-C
Question38:-To differentiate between calcification and haemorrhage, the sequence used in MRI is
‘A: Diffusion-weighted image
8:18 spectroscopy
C-Susceptibility-weighted imaging
DMR perfusion
Correct Answer:- Option-C

‘Question39:-Active CSF leak is confirmed with investigation,

&-CT fistulogram
B:-CT enterography
CCT cisternogram
DCT angiogram
Correct Answer:- Option-C
Question40:-Transducer crystals in the USG probe are made up of
AcPiezoelectric crystals
പ crystals,
Thermocouple crystals
D-Strain guage
Correct Answer:- Option-é
Question4:-MRI sequence for detecting microscopic fat content in the tissue is

A:Diffusion-weighted imaging