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Estimation of Serum Calcium in Biochemistry

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Estimation of Serum Calcium in Biochemistry

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Questions and Answers

What is the primary function of calcium in the body?

Assisting in blood clotting

Enhancing lung capacity

Promoting kidney health

Maintaining proper muscle and nerve function (correct)

What does the corrected calcium test measure?

Total calcium concentration

Calcium excretion by the kidneys

Ionized calcium levels

Calcium adjusted for albumin concentration (correct)

Which hormone controls the amount of calcium in the blood?

Parathyroid hormone (PTH) (correct)

Insulin

Thyroid-stimulating hormone (TSH)

Estrogen

What does urine calcium test indicate?

Calcium excretion by the kidneys Signup and view all the answers

Why is corrected calcium important in assessing calcium levels?

It accounts for abnormal albumin concentrations affecting total calcium Signup and view all the answers

In what conditions can calcium be used as a diagnostic test?

Neurological disorders Signup and view all the answers

Why might a doctor request a calcium test for an individual with kidney disease?

To check for low calcium levels common in those with kidney failure Signup and view all the answers

Why is it important to separate serum or plasma from blood cells soon after collection?

Prolonged contact with the clot may cause artificially low calcium values Signup and view all the answers

Which wavelength is used for measuring absorbance during the colorimetric determination of calcium?

575 nm Signup and view all the answers

What is the expected normal blood calcium level range for adults?

8.5 - 10.2 milligrams/deciliter Signup and view all the answers

Why might a doctor request a urine calcium test for an individual?

To monitor calcium excretion in individuals with kidney stones Signup and view all the answers

What happens if fresh serum collected in the fasting state is not separated from blood cells promptly?

The calcium levels in the serum will be artificially elevated Signup and view all the answers