BME312_lecture1_quiz2

This figure is a model of__________.

• Atrium.

• Ventricle.

• Atrium and ventricle.

• Blood vessel

Blood vessel can be modeled using the following formulae, what does f represent?

Pa – Pb = R x f

• Blood pressure.

• Flow resistance.

• Blood flow rate.

• Flow internance.

In the model of cardiovascular system, what does the diode represent?

• Sinoatrial node.

• Heart valve.

• Blood vessel wall.

• Aorta.

How are the muscle cells of ventricles being excited?

They are excited by electrical signals from _______.

• Purkinje fibers.

• Sinoatrial node.

• Annulus fibrosus.

• Atrioventrivularnode

In ECG, which wave corresponds to contraction of atria?

• P.

• QRS.

• T.

• None of the above.

In ECG, which wave corresponds to contraction of ventricles?

• P.

• QRS.

• T.

• None of the above.

In ECG, which wave corresponds to relaxation of ventricles?

• P.

• QRS.

• T.

• None of the above.