Structural-Organisation-In-Animals Question 561

Question: The chemical which causes damage of WBC, bone marrow, spleen, lymph nodes and lungs is [AIIMS 1993]

Options:

A) Iodine -131

B) Calcium

C) Strontium -90

D) Iodine -127

Show Answer

Answer:

Correct Answer: C

Solution:

Radioactive strontium $ -90 $ is very much similar to calcium in its chemical behaviour, so it gets deposited in the bone in place of calcium and then damage bone, bone marrow and other organs by continuously throwing out radiations and may also cause tumours and lead to bone cancer.