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The layer of the heart wall synonymous with the visceral layer of the serous pericardium is the

epicardium

Pulmonary circulation involves blood flow to and from the heart and the

lungs

pulmonary veins:

transport oxygenated blood to the heart

What structure divides the left from the right ventricle?

interventricular septum

When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the

left ventricle to the left atrium

Deoxygenated blood is returned to the right side of the heart by the

superior and inferior vena cavae

The path of blood flow within the systematic vascular system is:

arteries, arterioles, capillary beds, venules, veins

Veins:

often have valves to prevent the backflow of blood

Which one is the correct sequence going from outermost to the innermost layer of a blood vessel wall:

tunica externa, tunica media, tunica intima

Which of the following arteries supplies the first half of the large intestine?

superior mesenteric artery

The external carotid artery serves the skin and muscles of the head and

neck

the right and left renal veins empty blood from the

kidneys

Which of the following increases heart rate?

epinephrine

True or false: The semilunar valves prevent the backflow of blood into the atria when the ventricles are contracting

False

True or false: Hypotension is systolic blood pressure above 150 mm Hg.

False

True or false: Blood drained from the heart after cardiac circulation returns to the left atrium of the heart.

False

True or false: Exchanges between blood and tissue cells occur in capillary beds.

True

These vessels carry blood away from the heart

arteries

These vessels return blood to the heart

veins

Superior and inferior vena cava are classified as these types of vessels

veins

The aorta is classified as one of these vessels

capillaries

Blood pressure in these vessels is low

veins

The heart is situated within the medial portion of the thoracic cavity, an indentation known as the

mediastium

Blood nourishing the myocardium with oxygenated blood comes from vessels that branch off the aorta called

coronary arteries

The electrocardiogram (ECG) wave that results from depolarization of the atria is the

P Wave

The term that means heart contraction is

systole

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