Cardiac muscle contracts due to______________?

Related Mcqs:

Contractile element in myofibril is_______________?

A. H band B. Sarcoplasm C. Sarcomere D. A line...

The following electrodes are used to detect the muscle activity without pain_________________?

A. Surface electrode B. Round electrode C. Hook electrode D. Needle electrode...

The absolute refractory period of an action potential is due to _______________?

A. Insufficient neurotransmitter B. Depletion of intracellular Na+ C. Inactivation of Na+ k+ ATPase D. Voltage inactivation of the Na+ channel...

Two major types of muscle fibres are found in humans_____________?

A. white and brown B. White and yellow C. White and gray D. White and red...

The skeletal muscle action potential______________?

A. Is not essential for contraction to occur B. Has a prolonged plateau phase? C. Spreads in ward to all parts of the muscle via the t- tubule system D. Begins with an, in ward movement of K+ ins...