Quiz: Electrolytes Disorders

The most rapid & effective way of lowering plasma K concentration is?

A A. Insulin-glucose infusion B B. Calcium gluconate infusion C C. Peritoneal dialysis D D. Hemodialysis

Hypocalcemia may occur in which of the following conditions

A A. Burns B B. Tumor lysis C C. Pancreatitis D D. All of the above

Which of the following is false about severe hypocalcemia

A A. Seizures B B. Bronchospasm C C. Laryngospasm D D. Short QT interval

Which of the following prolongs the QT interval

A A. Hypothermia B B. Hypokalemia C C. Hypocalcemia D D. All of the above

Serum calcium level is lowered by the deficiency of

A A. Calcitonin B B. Thyroxine C C. Parathormone D D. Both calcitonin& PTH

The earliest ECG change in hyperkalemia is

A A. Increased T-wave amplitude B B. Prolonged PR interval C C. Prolonged QRS duration D D. Loss of P waves

The EGG feature of hyperkalemia doesn't include

A A. QT prolongation B B. Tall T-wave C C. Wide QRS complex D D. Diminution of P-wave amplitude

Hypokalemia is not associated with

A A. U-wave in ECG B B. Decreased ankle jerk C C. Oliguria D D. Paralytic ileus

The normal serum potassium level is

A A. 2.1-3.6 mEq/L B B. 2.9-4.2 mEq/L C C. 3.5-5.0 mEq/L D D. 4.7-6.6 mEq/L

All of the following produce hypernatraemia except

A A. Adults on high protein-calorie nasogastric feeding B B. Diabetes insipidus C C. Hypoaldosteronism D D. Hyperosmolar non-ketotic diabetic coma

Hypokalaemia is not produced by

A A. Villous adenoma of large bowel B B. Primary aldosteronism C C. Ureterosigmoidostomy D D. Metabolic acidosis

Hyponatraemia is manifested by all except

A A. Muscular weakness B B. Paralytic ileus C C. Myoclonic jerks D D. Confusion