Exam 15: Cardiovascular System

Cardiac output is calculated by multiplying the stroke volume by the systolic blood pressure.

Which of the following is true about the heart?

When a person's pulse is taken by palpation near the thumb on the wrist, which artery is felt?

Cells of the conducting system in the heart are more sensitive to which ion?

Arterial systolic pressure is most closely associated with

In the arterial disease atherosclerosis,

Lipid-soluble substances diffuse through channels in cell membranes of cells forming the capillary wall, whereas lipid-insoluble substances diffuse through most areas of the capillary cell membranes.

Atrial natriuretic peptide is a hormone that

In an ECG pattern, the PQ interval indicates how long it takes for the cardiac impulse to travel from the

Arteries are strong, elastic vessels that carry blood to the heart.

Bruce has colorectal cancer that has spread to his lymphatic system. He is given a drug that is an angiogenesis inhibitor. The drug works by

In an ECG pattern, the T wave is caused by

Histamine increases capillary membrane permeability, which can result in an edematous and painful condition.

The coronary sinus drains blood from the wall of the heart into the left atrium.

Which of the following is most life threatening?

The pulse of a long-distance runner is measured by a doctor. Their heart rate is 53 bpm. This heart rate demonstrates a type of arrhythmia called ________.