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26 terms

Anatomy Retake

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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