he inferior vena cava brings blood from the lower regions of the body and empties into the __________.   A left atrium   B aorta   C left ventricle   D right atrium   E right ventricle

Based on the entry of the probe into the chambers of the heart, which heart vessel is the probe been inserted in?     A. Aorta   B. Superior vena cava   C. One of pulmonary veins   D. Pulmonary trunk

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Fill in the blank:  The period during which a heart chamber is relaxing is called _______________________.

A heart murmur would be detected in the pathological situation in which blood was flowing from the __________ to the __________ through an incompetant __________.   A right atrium; right ventricle; tricuspid valve   B right atrium; left atrium; tricuspid valve   C left ventricle; left atrium; mitral valve   D left atrium; left ventricle; mitral valve   E ALL OF THE ABOVE

The only vessels that provide direct access oxygen and nutrients to nearly every cell in the body are the __________.   A arterioles   B capillaries   C arteries   D venules   E veins

This abnormal ECG indicates: A ventricular fibrillation B premature ventricular contractions (PVCs) C ST-segment elevation D premature atrial contractions (PACS) hahah

The atrioventricular valve on the same side of the heart as the origin of the aorta is the _____ valve.   A aortic semilunar   B tricuspid   C bicuspid   D pulmoary semilunar

Which chamber initially receives blood from thesystemic circuit?a. left atriumb. left ventriclec. right atriumd. right ventricle

When reading blood pressure, the top number refers to the __________    a. Diastolic pressure   b. Systolic pressure    c. Mean Arterial Pressure   d. Pulse pressure