BODY FLUIDS
1. Compared to the intracellular fluid, the extracellular fluid has a high
concentration of:
a) Protein
b) Phosphate
c) Calcium
d) Magnesium
e) Potassium
2. Oedema is due to low colloid osmotic pressure of plasma and is caused by:
a) Heart Failure
b) Arteriolar Dilation
c) Liver Disease
d) Venous Obstruction
e) Inflammation
3. Drinking one liter of pure water is expected to:
a) Induce a greater increase in volume of ECF than ICF
b) Induce a greater decrease in osmolarity of ECF than ICF
c) Induce an increase in urine flow
d) Induce a greater increase in volume of plasma than interstitial fluid
e) Induce a greater deacrease in osmolarity of plasma than interstitial fluid
4. The Interstitial Fluid:
a) Can be measured using insulin
b) Is lower in volume than plasma
c) Has a higher sodium concentration than plasma
d) Has the same protein concentration as plasma
e) Has slightly a higher concentration of chloride than plasma
5. The osmolarity of extracellular fluid is likely to increase by:
a) Passing hypertonic urine
b) Infusing half isotonic NaCl solution
c) Infusing 5% glucose solution
d) Evaporating water from mucus membrane of respiratory system
e) Vomitting a hypertonic gastric juice
6. Intravenous infusion of 1 liter of which of the following solutions will lead to
the largest increase in ECF volume?
a) Distilled water
b) Isotonic NaCl
c) Hypotonic NaCl
d) Hypertonic NaCl
e) Isotonic urea
, 7. The intracellular osmolarity is mainly due to:
a) Chloride
b) Proteins
c) Potassium
d) ATP
e) Magnesium
8. The chief difference between plasma and interstitial fluid is that plasma
contains more:
a) Na+
b) K+
c) Electrolytes
d) Water
e) Protein ions
9. Body Water:
a) Is mostly found in the interstitial compartment
b) Is heavy water
c) Moves between compartments by solvent drags
d) Is the major constituent of the body
e) Is not lost during expiration in cold weather
10. Osmolality of the extracellular fluid:
a) Is 160-300 msom/L
b) Is not affected by glucose concentration
c) Is more than the osmolality of the intracellular fluid
d) Is mainly due to Na+ salts
e) Is greatly increased by hyperkalaemia
11. The following are major constituents of the intracellular fluid except:
a) Ca2+
b) Phosphates
c) Chloride
d) K+
e) Proteins
12. Movement of fluids from the interstitial space to plasma is due to:
a) Blood pressure in the capillaries
b) Plasma Na+ concentration
c) Plasma K+ concentration
d) Plasma protein concentration
e) Plasma pH
13. The substance that contributes most of the intracellular osmolarity is:
a) Protein
b) Phosphate
c) Potassium
d) Urea
e) Chloride
1. Compared to the intracellular fluid, the extracellular fluid has a high
concentration of:
a) Protein
b) Phosphate
c) Calcium
d) Magnesium
e) Potassium
2. Oedema is due to low colloid osmotic pressure of plasma and is caused by:
a) Heart Failure
b) Arteriolar Dilation
c) Liver Disease
d) Venous Obstruction
e) Inflammation
3. Drinking one liter of pure water is expected to:
a) Induce a greater increase in volume of ECF than ICF
b) Induce a greater decrease in osmolarity of ECF than ICF
c) Induce an increase in urine flow
d) Induce a greater increase in volume of plasma than interstitial fluid
e) Induce a greater deacrease in osmolarity of plasma than interstitial fluid
4. The Interstitial Fluid:
a) Can be measured using insulin
b) Is lower in volume than plasma
c) Has a higher sodium concentration than plasma
d) Has the same protein concentration as plasma
e) Has slightly a higher concentration of chloride than plasma
5. The osmolarity of extracellular fluid is likely to increase by:
a) Passing hypertonic urine
b) Infusing half isotonic NaCl solution
c) Infusing 5% glucose solution
d) Evaporating water from mucus membrane of respiratory system
e) Vomitting a hypertonic gastric juice
6. Intravenous infusion of 1 liter of which of the following solutions will lead to
the largest increase in ECF volume?
a) Distilled water
b) Isotonic NaCl
c) Hypotonic NaCl
d) Hypertonic NaCl
e) Isotonic urea
, 7. The intracellular osmolarity is mainly due to:
a) Chloride
b) Proteins
c) Potassium
d) ATP
e) Magnesium
8. The chief difference between plasma and interstitial fluid is that plasma
contains more:
a) Na+
b) K+
c) Electrolytes
d) Water
e) Protein ions
9. Body Water:
a) Is mostly found in the interstitial compartment
b) Is heavy water
c) Moves between compartments by solvent drags
d) Is the major constituent of the body
e) Is not lost during expiration in cold weather
10. Osmolality of the extracellular fluid:
a) Is 160-300 msom/L
b) Is not affected by glucose concentration
c) Is more than the osmolality of the intracellular fluid
d) Is mainly due to Na+ salts
e) Is greatly increased by hyperkalaemia
11. The following are major constituents of the intracellular fluid except:
a) Ca2+
b) Phosphates
c) Chloride
d) K+
e) Proteins
12. Movement of fluids from the interstitial space to plasma is due to:
a) Blood pressure in the capillaries
b) Plasma Na+ concentration
c) Plasma K+ concentration
d) Plasma protein concentration
e) Plasma pH
13. The substance that contributes most of the intracellular osmolarity is:
a) Protein
b) Phosphate
c) Potassium
d) Urea
e) Chloride
