Mineral Metabolism - Mock Test 13

Question 121

The major calcium salt in bones is?

A) Calcium carbonate B) Calcium chloride C) Calcium hydroxide D) Calcium phosphate

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Question 122

Hypocalcaemia can occur in all the following except?

A) Rickets B) Osteomalacia C) Hyperparathyroidism D) Intestinal malabsorption

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Question 123

Hypercalcaemia can occur in all the following except?

A) Hyperparathyroidism B) Hypervitaminosis D C) Milk alkali syndrome D) Nephrotic syndrome

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Question 124

The daily calcium requirement in pregnancy and lactation is about?

A) 600 mg B) 800 mg C) 1,200 mg D) 1,500 mg

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Question 125

The daily calcium requirement of an adult man is about?

A) 400 mg B) 600 mg C) 800 mg D) 1,000 mg

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Question 126

A high plasma calcium level decreases intestinal absorption of calcium by?

A) Stimulating the secretion of parathormone B) Inhibiting the secretion of parathormone C) Decreasing the synthesis of cholecalciferol D) Inhibiting the secretion of thyrocalcitonin

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Question 127

Intest ina l absorption of calcium is hampered by?

A) Phosphate B) Phytate C) Proteins D) Lactose

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Question 128

Intestinal absorption of calcium occurs by?

A) Active takeup B) Simple diffusion C) Facilitated diffusion D) Endocytosis

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Question 129

Tetany can occur in?

A) Hypocalcaemia B) Hypercalcaemia C) Alkalosis D) Hypocalcaemia and alkalosis

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Question 130

The following proportion of the total body calcium is present in bones and teeth?

A) 75% B) 90% C) 95% D) 99%

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