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- Multiple ChoicePlease save your changes before editing any questions.
The pointed, inferior portion of the heart, known as the ________ rests on the diaphragm and is oriented towards the left hip.
base
mediastinum
apex
pericardium
- Multiple ChoicePlease save your changes before editing any questions.
The two superior receiving chambers of the heart are known as the _________
atria
ventricles
- Multiple ChoicePlease save your changes before editing any questions.
he valves between the atria and ventricles are known as the ________ valves.
atrioventricular
aortic
semilunar
pulmonary
- Multiple ChoicePlease save your changes before editing any questions.
Blood leaves the right ventricle through the ___________.
pulmonary trunk
aorta
superior vena cava
coronary sinus
- Multiple ChoicePlease save your changes before editing any questions.
The term that means heart contraction is ________.
diastole
systole
tachycardia
fibrillation
- Multiple ChoicePlease save your changes before editing any questions.
The VOLUME of blood pumped out of a ventricle with each heartbeat is known as ________
Heart Rate
Stroke Volume
Cardiac Output
Cardiac Output
- Multiple ChoicePlease save your changes before editing any questions.
Large blood vessels that carry blood away from the heart are called:
arteries
capillaries
veins
venae cavae
- Multiple ChoicePlease save your changes before editing any questions.
Tunica _______, the middle layer of a typical blood vessel, contains smooth muscle and elastic fibers.
intima
externa
media
adventitia
SHOW ANSWER
externa
media
adventitia
intima
- Multiple ChoicePlease save your changes before editing any questions.
9. Arteries are normally depicted as red while veins are colored blue. The exceptions to this rule are the _______ arteries and veins.
pulmonary
systemic
hepatic
coronary
- Multiple ChoicePlease save your changes before editing any questions.
Pulmonary circulation involves blood flow to and from the heart and the _______.
digestive organs
body
brain
lungs