Fluid and Electrolyte Balance Quiz

What percentage of body weight does total body water represent in a healthy person?

• 70% to 80%

• 50% to 60%

• 30% to 40%

• 10% to 20%

What is the primary role of electrolytes in the body?

• Muscle function and nerve transmission

• Nutrient transportation

• Waste elimination

• Temperature regulation

What is the desirable range of fluid intake for adults in 24 hours?

• 3,000 to 5,000 mL

• 2,000 to 4,000 mL

• 1,500 to 3,500 mL

• 1,000 to 2,000 mL

Which of the following is an example of insensible fluid loss?

• Defecation

• Fluid loss from wounds

• Urination

• Evaporation through the skin

What is the process called when solvent moves from lower to higher solute concentration?

• Osmosis

• Diffusion

• Filtration

• Active transport

What type of solution has a higher osmolarity than plasma?

• Hypotonic solution

• Isotonic solution

• Hypertonic solution

• Neutral solution

What is the normal pH range of blood plasma?

• 6.0 to 6.5

• 7.0 to 7.5

• 7.35 to 7.45

• 8.0 to 8.5

What condition is characterized by a pH below 7.35?

• Neutrality

• Acidosis

• Homeostasis

• Alkalosis

Which of the following is a cation?

• Phosphate

• Chloride

• Bicarbonate

• Sodium

What is the primary buffer system in the human body?

• Bicarbonate and carbonic acid

• Sodium and potassium

• Phosphate and magnesium

• Chloride and sulfate