Q-16. Amount of I-131 used for thyroid scan is (AIIMS 02, DNB 06)
a) 5 Micro-curies
b) 50 Micro-curies
c) 50 Mili-curies
d) 500 Mili-curies
Answer: 50 Micro-curies
Explanation:
Dose of radio-agents in thyroid scan:
I-131: 50-100 microcurie
I-123: 100-300 microcurie
Tc 99 m: 2-10 m curie