A. Increase in heart rate
B. Decreased vagal discharge
C. Increased sympathetic discharge
D. Decrease in blood pressure
A. Due to closure of semilunar valves
B. Is occasionally split
C. Has longer duration than 1st heart sound
D. Marks the onset of diastole
A. Act as syncytium
B. Has multiple nuclei
C. Has gap junctions
D. Has branching
A. AV Valve closes
B. When ventricular pressure falls below aortic pressure
C. When ventricular pressure falls below atrial pressure
D. None of the above
A. Purkinje system
B. Bundle of HIS
C. Right and left bundle branches
D. AV node
A. Arteries
B. Arterioles
C. Capillaries
D. Venules
A. Chronotropic effect
B. Dromotropic effect
C. Bathmotropic
D. Ionotropic effect
A. Liver
B. Brain
C. Kidney
D. Heart
A. 0.7 seconds
B. 0.3 seconds
C. 0.7 seconds
D. 0.4 seconds
A. 0.4 seconds
B. 0.8 seconds
C. 1.2 seconds
D. 1.6 seconds