RADIOLOGY

Q: Which of the following ultrasound marker is associated with greatest increased risk for Trisomy 21 in fetus:

(a) :  Echogenic foci in heart
(b) :  Hyperechogenic bowel
(c) :  Choroid plexus cysts
(d) :  Nuchal edema
(e) :  None of the above
Answer:  Nuchal edema
Explanation:  

Q: Egg on side appearance is characteristic of?

(a) :  Tetralogy of fallot
(b) :  Total anomalous pulmonary venous connection
(c) :  Patent ductus arteriosus
(d) :  Transposition of great arteries
(e) :  None of the above
Answer:  Transposition of great arteries
Explanation:  

Q: The technique employed in radiotherapy to counteract the effect of tumour motion due to breathing is known as

(a) :  Arc technique
(b) :  Modulation
(c) :  Gating
(d) :  Shunting
(e) :  None of the above
Answer:  Gating
Explanation:  

Q: 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
(e) :  None of the above
Answer:  Transfemoral route
Explanation:  

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