Electrolyte and Acid-Base Balance Quiz

What is the normal range of serum magnesium?

• 0.2–0.5 mg/dL

• 1.7–2.3 mg/dL

• 3.0–3.5 mg/dL

• 2.5–3.5 mg/dL

Which of the following is a major intracellular cation?

• Sodium

• Potassium

• Magnesium

• Calcium

Which electrolyte is involved in ATP and enzyme activation?

• Phosphate

• Bicarbonate

• Magnesium

• Sodium

What is the normal range of serum phosphate in adults?

• 0.5–1.5 mg/dL

• 2.5–4.5 mg/dL

• 4.5–6.5 mg/dL

• 1.0–2.0 mg/dL

Which of the following is a major function of phosphate?

• Oxygen transport

• Acid-base balance

• Blood coagulation

• Muscle contraction

Phosphate levels are regulated mainly by which hormone?

• ADH

• Aldosterone

• Parathyroid hormone

• Calcitonin

Normal serum sulfate concentration is approximately?

• 0.1–0.5 mmol/L

• 1–2 mmol/L

• 5–10 mmol/L

• 10–15 mmol/L

Sulphates in the body are mainly involved in?

• Protein digestion

• Carbohydrate absorption

• Detoxification and conjugation

• Hormone secretion

Which is the main buffer in extracellular fluid?

• Phosphate buffer

• Ammonia buffer

• Protein buffer

• Bicarbonate buffer

Normal plasma bicarbonate level is?

• 10–15 mEq/L

• 15–20 mEq/L

• 22–28 mEq/L

• 30–35 mEq/L