Physics of Nuclear Medicine Practice Questions

Question 1

Which technetium is most commonly used in bone pathology?

Accepted Answer

99mTc-MDP

Answer

99mTc-Sestamibi

Answer

99mTc-Pyrophosphate

Answer

99mTc-Exametazime

Question 2

Gamma camera in Nuclear Medicine is used for –

Accepted Answer

Organ imaging

Answer

Measuring the radioactivity

Answer

RIA

Answer

Monitoring the surface contamination

Question 3

Ionizing radiation acts on tissue leading to

Accepted Answer

Ionization of electrons from orbit

Answer

Thermal injury

Answer

Linear acceleration injury

Answer

Formation of pyrimidine dimer

Question 4

Which of the following statements about the half-life of radioisotopes is false?

Accepted Answer

I-131: 60 years

Answer

Co-60: 5.26 years

Answer

Ra-226: 1626 years

Answer

Ir-192 : 74 days

Question 5

A dense nephrogram is obtained by

Accepted Answer

Rapid (Bolus) injection of dye

Answer

Dehydrating the patient

Answer

Using non ionic media

Answer

Increasing the dose of contrast media

Question 6

The T1/2 of Iodine-131 is:

Accepted Answer

8 days

Answer

12 hours

Answer

13 days

Answer

2 days

Question 7

Which of the following agents is used to measure Glomerular Filtration Rate (GFR)?

Accepted Answer

Tc99m-DTPA

Answer

Iodohippurate

Answer

Tc99m-MAG3

Answer

Tc99m-DMSA

Question 8

A thyroid FNA shows 'bubble gum' colloid. Which nuclear feature would best support papillary thyroid carcinoma?

Accepted Answer

Ground glass nuclei

Answer

Nuclear grooves

Answer

Prominent nucleoli

Answer

Salt and pepper chromatin

Question 9

Which artificial radioisotopes are used in nuclear medicine?

Accepted Answer

Plutonium

Answer

Radium

Answer

Uranium

Answer

Iridium

Question 10

Increased radio-isotope uptake is seen in which of the following conditions?

Accepted Answer

Pseudoarthrosis

Answer

Osteoclastoma

Answer

Enchondroma

Answer

Ewing's sarcoma

Physics of Nuclear Medicine — MCQs

Physics of Nuclear Medicine — MCQs

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