Fluid Balance Quiz: Master Intake & Output

1. What percentage of total body weight is water in an average adult?

40%

50%

60%

75%

2. Which fluid compartment contains approximately two-thirds of total body water?

Intracellular fluid

Extracellular fluid

Plasma

Interstitial fluid

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4. Which hormone increases water reabsorption in the collecting ducts of the kidney?

Aldosterone

Antidiuretic hormone

Atrial natriuretic peptide

Glucagon

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6. Which of the following best describes hypertonic fluid?

Osmolarity equal to plasma

Osmolarity greater than plasma

Osmolarity less than plasma

Contains no electrolytes

7. In dehydration, which fluid shift occurs?

Water moves from intracellular to extracellular space

Water moves from extracellular to intracellular space

Electrolytes move into cells

Plasma volume increases

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9. Which mechanism involves the movement of water across a semipermeable membrane?

Active transport

Facilitated diffusion

Osmosis

Pinocytosis

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11. Which of the following increases fluid output through perspiration?

Decreased body temperature

Increased metabolic rate

Reduced physical activity

Lower humidity

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13. Which electrolyte is the major cation in intracellular fluid?

Sodium

Potassium

Calcium

Magnesium

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15. Which condition describes excessive fluid accumulation in body tissues?

Dehydration

Hypervolemia

Edema

Hypovolemia

Fluid Balance Quiz: Master Intake & Output

1. What percentage of total body weight is water in an average adult?

2.

What first name or nickname would you like us to use?

2. Which fluid compartment contains approximately two-thirds of total body water?

3. The primary regulator of fluid balance at the cellular level is ____.

4. Which hormone increases water reabsorption in the collecting ducts of the kidney?

5. Normal plasma osmolarity ranges from ____.

6. Which of the following best describes hypertonic fluid?

7. In dehydration, which fluid shift occurs?

8. The kidneys excrete approximately ____ liters of urine daily under normal conditions.

9. Which mechanism involves the movement of water across a semipermeable membrane?

10. Hypernatremia primarily results from ____.

11. Which of the following increases fluid output through perspiration?

12. The thirst mechanism is primarily triggered by increased plasma ____.

13. Which electrolyte is the major cation in intracellular fluid?

14. Edema develops when there is net fluid movement from plasma to the ____ space.

15. Which condition describes excessive fluid accumulation in body tissues?