Electrolyte Regulation and Functions Quiz

Which hormone increases sodium reabsorption in the collecting duct of nephrons?

• Insulin

• Calcitonin

• Parathyroid hormone

• Aldosterone

What is the primary function of potassium in the body?

• Regulating ECF volume

• Transmitting nerve impulses

• Forming bones and teeth

• Regulating cardiac impulse transmission

Which electrolyte is involved in forming bones and teeth?

• Sodium

• Bicarbonate

• Calcium

• Chloride

Which food is rich in magnesium?

• Dark leafy greens

• Bacon

• Avocados

• Canned soups

What is the role of parathyroid hormone in calcium regulation?

• Decreases serum calcium levels

• Increases renal excretion of calcium

• Increases serum calcium levels

• Decreases renal excretion of calcium

Which electrolyte is primarily responsible for maintaining ICF osmolality?

• Sodium

• Potassium

• Calcium

• Chloride

Which beverage is a good source of calcium?

• Coffee

• Orange juice

• Coconut water

• Milk

What is the function of bicarbonate in the body?

• Forming bones and teeth

• Buffer in oxygen-carbon dioxide exchange

• Transmitting nerve impulses

• Regulating ECF volume

Which electrolyte has a reciprocal relationship with calcium?

• Magnesium

• Potassium

• Sodium

• Phosphate

Which food is a rich source of potassium?

• Raw carrots

• Nuts

• Baked potatoes

• Canned soups