Which of the following increases turbulence in blood flow ?

Related Mcqs:

Absolute refractory period in heart______________?

A. Lasts till cardiac contraction B. Longer than refractory period in skeletal muscle C. A phase of cardiac cycle in which heart cannot be stimulated by any amount of stimulus D. Corresponds with duration of action potential E. All of the above...

Conduction velocity is least in_______________?

A. AV node B. SA node C. SA node D. Purkinje fibers...

The largest function of the total peripheral resistance is due to _________________?

A. Venules B. Arterioles C. Capillaries D. Precapillary sphincters...

Isovolumetric relaxation ends immediately after________________?

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...

Heart muscle, true are all except_______________?

A. Act as syncytium B. Has multiple nuclei C. Has gap junctions D. Has branching...