Question 1: Which one of the following tumors shows calcification on CT Scan ?
A) Ependymoma
B) Meduloblastoma
C) Meningioma
D) CNS lymphoma
Answer:
C
Question 2: The technique employed in radiotherapy to couteract the effect of tumor motion due to
breathing is known as ?
A) Arc technique
B) Modulation
C) Gating
D) Shunting
Answer:
Question 3: Gamma camera in Nuclear Medicine is used for ?
A) Organ imaging
B) Measuring the radioactivity
C) Monitoring the surface contamination
D) RIA
Answer:
Question 4: At t=0 there are 6x1023 radioactive atoms of a substance, which decay with a disintegration constant (λ) equal to 0.01/sec. What would be the initial decay rate ?
A) 6x1023
B) 6x1022
C) 6x1021
D) 6x1020
Answer:
Question 5: The most sensitive imaging modality for diagnosing ureteric stones in a patient with acute colic is ?
A) X-ray KUB region
B) Ultrasonogram
C) Non contrast CT Scan of the abdomen
D) Contrast enhanced CT Scan of the abdomen
Answer:
Question 6: In which one of the following conditions the Sialography is contraindicated ?
A) Ductal calculus
B) Chronic parotitis
C) Acute Parotitis
D) Recurrent sialadenitis
Answer:
C
Question 7: Which one of the following is the most preferred route to perform cerebral angiography
?
A) Transfemoral route
B) Transaxillary route
C) Direct carotid puncture
D) Transbrachial route
Answer:
A
Question 8: Which one of the following soft tissue sarcomas frequently metastazises to lymph nodes
?
A) Fibrosarcoma
B) Osteosarcoma
C) Embryonal Rhabdomyosarcoma
D) Alveolar soft part sarcoma
Answer:
Question 9: Which one of the folloiwng radioisotope is not used as permanent implant ?
A) Iodine-125
B) Palladium-103
C) Gold-198
D) Caesium-137
Answer:
Question 10: Which of the following ultrasound marker is associated with greatest increased risk for Trisomy 21 in fetus ?