IMSPQ F5 05 Juli - Cardiology

Plateau phase is mainly caused by the accumulation of Na+

• TRUE

• FALSE

Phase 1 of cardiac muscle action potential is when the Na+ rapidly increases the membrane potential

• TRUE

• FALSE

Mucopolysaccharides bind the calcium in T tubules

• TRUE

• FALSE

The a wave is caused by atrial contraction

• TRUE

• FALSE

Incisura is caused by backflow of the blood before the valve closed

• TRUE

• FALSE

External work is used to accelerate the blood to its velocity of ejection through the aortic and pulmonary valves

• TRUE

• FALSE

Phase 1 of pressure-volume loop diagram is the period of ejection

• TRUE

• FALSE

Excess potassium increases the heart rate

• TRUE

• FALSE

Increased temperature decreased the heart rate

• TRUE

• FALSE

The highest resistance is in the small arteries

• TRUE

• FALSE