Calcium Transport and Calcium ATPase — MCQs

What is the PRIMARY mechanism by which the Na+-Ca2+ exchanger functions in cardiac muscle cells?

Equilibrium potential of calcium is

Calcium does not bind to

In response to changes in Ca2+ concentration, which of the following Ca2+ binding proteins can modify the activity of many enzymes & proteins?

Which of the following is the best inotrope agent for use in right heart failure secondary to pulmonary hypertension?

The effect seen due to decreased serum calcium concentration is

Statement 1 - A 59-year-old patient presents with flaccid bullae. Histopathology shows a suprabasal acantholytic split. Statement 2 - The row of tombstones appearance is diagnostic of Pemphigus vulgaris.

Which of the following ion plays a role in exocytosis?

Hyperkalemia management includes all except:

Preferred drug for the treatment of ventricular tachycardia is