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WATER AND ELECTROLYTE BALANCE- Part 3
See all quizzes of WATER AND ELECTROLYTE BALANCE- Part 3 here:
1 The normal concentration of potassium in
human plasma in meq/I is about
(A) 1 (B) 2
(C) 3 (D) 5
2. The normal concentration of potassium in
cells in ng/100 ml is about
(A) 100 (B) 200
(C) 350 (D) 440
3. Potassium content of nerve tissue in mg/
100 ml is about
(A) 200 (B) 330
(C) 400 (D) 530
4. Potassium content of muscle tissue in
mg/100 ml is about
(A) 50–100 (B) 100–150
(C) 250–400 (D) 150–200
5. One of the symptoms of low serum
potassium concentration includes
(A) Muscle weakness
(B) Confusion
(C) Numbness
(D) Tingling of extremities
6. Potassium metabolism is regulated by the
hormone:
(A) Aldosterone (B) PTH
(C) Somatostatin (D) Estrogen
7. A high serum potassium, accompanied by
a high intracellular potassium occurs in
(A) Adrenal insufficiency
(B) Any illness
(C) Gastrointestinal losses
(D) Cushing’s syndrome
8. Hypokalemia occurs in
(A) Cushing’s syndrome
(B) Addison’s disease
(C) Renal failure
(D) Advanced dehydration
9. Cardiac arrest may occur due to over
doses of
(A) Sodium (B) Potassium
(C) Zinc (D) Magnesium
10. The normal concentration of chloride in
mg/100 ml of whole blood is about
(A) 200 (B) 250
(C) 400 (D) 450
11. The normal concentration of chloride in
mg/100 ml of plasma is about
(A) 100 (B) 200
(C) 365 (D) 450
12. The normal concentration of chlorine in
mg/100 ml of C.S.F is about
(A) 200 (B) 250
(C) 300 (D) 440
13. Hypokalemia with an accompanying
hypochloremic alkalosis may be observed
in
(A) Cushing’s syndrome(B) Addison’s disease
(C) Hyptothyroidism (D) Malnutrition
14. Hypercholremia is associated with
(A) Hyponatremia (B) Hypernatremia
(C) Metabolic alkalosis (D) Respiratory acidosis
15. 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
16. The normal pH of the blood is
(A) 7.0 (B) 7.1
(C) 7.2 (D) 7.4
17. The normal concentration of bicarbonate
in blood is
(A) 21 meq/L (B) 24 meq/L
(C) 26 meq/L (D) 30 meq/L
18. 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
19. A 0.22 M solution of lactic acid (pKa 3.9)
was found to contain 0.20 M in the dissociated
form and 0.02 M undissociated
form, the pH of the solution is
(A) 2.9 (B) 3.3
(C) 4.9 (D) 5.4
20. Important buffer system of extracellular
fluid is
(A) Bicarbonate/carbonic acid
(B) Disodium hydrogen phosphate/sodium
dihydrogen phosphate
(C) Plasma proteins
(D) Organic Phosphate
21. The pH of body fluids is stabilized by
buffer systems. The compound which will
be the most effective buffer at physiologic
pH is
(A) Na2HPO4 pKa = 12.32
(B) Na2HPO4 pKa=7.21
(C) NH4OH pKa = 7.24
(D) Citric acid pKa = 3.09
22. The percentage of CO2 carrying capacity
of whole blood by hemoglobin and
oxyhemoglobin is
(A) 20 (B) 40
(C) 60 (D) 80
23. The normal serum CO2 content is
(A) 18–20 meq/L (B) 24–29 meq/L
(C) 30–34 meq/L (D) 35–38 meq/L
84. The carbondioxide carrying power of the
blood residing within the red cells is
(A) 50% (B) 60%
(C) 85% (D) 100%
25. Within the red blood cells the buffering
capacity contributed by the phosphates
is
(A) 5% (B) 10%
(C) 20% (D) 25%
86. 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
27. The oxygen dissociation curve for
hemoglobin is shifted to the right by
(A) Decreased O2 tension
(B) Decreased CO2 tension
(C) Increased CO2 tension
(D) Increased pH
28. Bohr effect is
(A) Shifting of oxyhemoglobin dissociation curve
to the right
(B) Shifting of oxyhemoglobin dissociation curve
to the left
(C) Ability of hemoglobin to combine with O2
(D) Exchange of chloride with carbonate
29. 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
30. Of the total body water, intracellular
compartment contains about
(A) 50% (B) 60%
(C) 70% (D) 80%
