Question

Chromium 51 is supplied as sodium chromate solution or injection it is used for

A. To label RBC

B. Diagnosis of various infections

C. Cisternography

D. Ventriculography

​

Answer 1

A is the correct answer.

Answer 2

Chromium 51 using  for labelling RBC

Explanation:

• Chromium is element with atomic no. 24 ,it is required for the action of insulin. Chromium is present in food such as yeast, peanut etc

• $Cr-51$ is radioactive isotope of chromium with half life 27.7 days , its decomposition occur by capturing electron with gamma ray

• It is using for labelling RBC for evaluation of mass and volume and it is also used for labelling platelets.