1. Calcium is excreted by

(A) Kidney
(B) Kidney and intestine
(C) Kidney and liver
(D) Kidney and pancreas

Ans:B

2.  The normal serum level of phosphorus in human adult is

(A) 1–2 mg
(B) 2–3 mg
(C) 3–4.5 mg
(D) 5–7 mg

Ans:C

3.  Sodium is involved in the active uptake of

(A) D-Glucose
(B) D-Galactose
(C) L-Amino acids
(D) All of these

Ans:D

4.  Iron is a component of

(A) Hemoglobin
(B) Ceruloplasmin
(C) Transferase
(D) Transaminase

Ans:A

5.  Normal range of serum sodium is

(A) 30–70 mEq/L
(B) 70–110 mEq/L
(C) 117–135 mEq/L
(D) 136–145 mEq/L

Ans:D

6.  Normal range of serum potassium is

(A) 2.1-3.4 mEq/L
(B) 3.5-5.3 mEq/L
(C) 5.4–7.4 mEq/L
(D) 7.5–9.5 mEq/L

Ans:B

7.   Haemoglobin contains about

(A) 30% of the total body iron
(B) 50% of the total body iron
(C) 75% of the total body iron
(D) 90% of the total body iron

Ans:C

8.  An increase in carbohydrate metabolism is accompanied by temporary decrease in serum:

(A) Calcium
(B) Phosphate
(C) Iron
(D) Sodium

Ans:B

9.  Daily requirement of iron for normal adult male is about

(A) 5 mg
(B) 10 mg
(C) 15 mg
(D) 20 mg

Ans:B

10.  Magnesium ions are required in the reactions involving

(A) NAD
(B) FAD
(C) ATP
(D) CoA

Ans:C