Question

which of the following diagnostic procedures can be used to measure the levels of hormones in the blood?
a fasting blood sugar
b protein - bound iodine test
c radioimmunoassay
d total calcium

Explanation:

• Fasting blood sugar measures glucose levels.
• Protein - bound iodine test is related to thyroid function (iodine in proteins).
• Total calcium measures calcium in blood.
• Radioimmunoassay (RIA) is a technique used to measure the concentration of a substance (such as hormones) in a solution by using antibodies and radioactive tracers.

Answer:

C. radioimmunoassay