Basic Principles of Medical Imaging
- Previous year questions on Basic Principles of Medical Imaging for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Radiology section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 61 live questions in Basic Principles of Medical Imaging.
- 1 of 61 questions carries a verified exam year: 2018.
- Radiology is worth about 6 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 21 Aug 2026.
Q1.Which of the following is hypointense (dark) on T2-weighted MRI?
- ACSF
- BFat
- CEdema
- DHard calcification✓ Correct answer
Q2.NMR is based on the principle of
- AElectron beam
- BProton beam
- CNeutron beam
- DMagnetic field✓ Correct answer
Q3.Which of the following has the maximum ionization potential
- AElectron
- BHelium ion✓ Correct answer
- CProton
- DGamma photon
Q4.Which of the following investigation work on the same principle?
- ACT and MRI
- BCT and X-ray✓ Correct answer
- CUSG and HIDA Scan
- DMRI and PET Scan
Q5.Xray artifact is
- AA radiolucent area
- BAny abnormal opacity in the radiograph
- CProduced when patient moves while taking the film
- DAll of the above✓ Correct answer
Q6.The magnetic field in MRI is measured in
- AHounsfield units
- BTesla✓ Correct answer
- CMHz
Q7.Which of the following is the most commonly used MR sequence for non-contrast angiography?
- ATime-of-flight (TOF)✓ Correct answer
- BPhase contrast
- CTRUFI
- DAerial spin labeling
Q8.Doppler effect results from the change in
- AAmplitude of sound
- BFrequency of sound✓ Correct answer
- CDirection of sound
- DIntensity of sound
Q9.Disadvantages of using a GRID during radiography is:
- AIncreased patient exposure due to more exposure time✓ Correct answer
- BDecreased exposure time
- CIncreased secondary radiation fog to film
- DReduces secondary radiation to film
Q10.Intensifying screen is used in extraoral radiograph to:
- ADecrease radiation to patient✓ Correct answer
- BIncrease contrast
- CDecrease contrast
- DCollimation
Answer key
Q1: D. Hard calcification; Q2: D. Magnetic field; Q3: B. Helium ion; Q4: B. CT and X-ray; Q5: D. All of the above; Q6: B. Tesla; Q7: A. Time-of-flight (TOF); Q8: B. Frequency of sound; Q9: A. Increased patient exposure due to more exposure time; Q10: A. Decrease radiation to patient.
Other topics in Radiology
- Radiation Exposure and Protection
- Contrast Agents and Patient Preparation
- Identifying Imaging Modalities
- Chest Radiograph Fundamentals
- Chest Imaging: Pulmonary Disease
- Chest Imaging: Pleural and Mediastinal Disease
- Chest Imaging: Cardiovascular Disease
- Neuroimaging: Neurovascular Disease, Trauma and CT Brain
- Neuroimaging: CNS Tumours, Infections and Neurocutaneous Syndromes
- Neuroimaging: MRI of Neurodegenerative and Other CNS Disorders
- Imaging of the Head and Neck
- GI Imaging: Upper Tract Disorders and Pneumoperitoneum
- GI Imaging: Lower Tract Disorders
- Imaging of the Liver, Biliary Tract and Pancreas
- Renal and Urinary Tract Imaging
- Imaging in Women's Health
- Bone and Joint Imaging
- Nuclear Medicine Imaging
- Radiotherapy
- Interventional Procedures and Emergency Imaging