Water and Electrolyte Balance - Mock Test 5

Question 41

Chloride shift is?

A) H ions leaving the RBC in exchange of Cl- B) Cl– leaving the RBC in exchange of bicarbonate C) Bicarbonate ion returns to plasma and exchanged with chloride which shifts into the cell D) Carbonic acid to the plasma

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Question 42

The normal ratio between the alkaline phosphate and acid phosphate in plasma is?

A) 2 : 1 B) 1 : 4 C) 20 : 1 D) 4 : 1

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Question 43

Within the red blood cells the buffering capacity contributed by the phosphates is?

A) 5% B) 10% C) 20% D) 25%

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Question 44

The carbondioxide carrying power of the blood residing within the red cells is?

A) 50% B) 60% C) 85% D) 100%

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Question 45

Important buffer system of extracellular fluid is?

A) Bicarbonate/carbonic acid B) Disodium hydrogen phosphate/sodium dihydrogen phosphate C) Plasma proteins D) Organic Phosphate

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Question 46

At the pH of blood 7.4, the ratio between the carbonic acid and bicarbonate fractions is?

A) 1 : 10 B) 1 : 20 C) 1 : 30 D) 1 : 40

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Question 47

The normal concentration of bicarbonate in blood is?

A) 21 meq/L B) 24 meq/L C) 26 meq/L D) 30 meq/L

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Question 48

The normal pH of the blood is?

A) 7 B) 7.1 C) 7.2 D) 7.4

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Question 49

The exclusive function of iron in the body is confined to the process of?

A) Muscular contraction B) Nerve excitation C) Cellular respiration D) Blood coagulation

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Question 50

Hypercholremia is associated with?

A) Hyponatremia B) Hypernatremia C) Metabolic alkalosis D) Respiratory acidosis

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