With Complete Solutions
How many chambers does the heart have? correct answer: four
How many valves does the heart have? correct answer: 4 valves
The two atrioventricular (AV) valves (tricuspid and mitral)
separate the correct answer: atria and the ventricles
The semilunar valves are the __________ in the right side
correct answer: pulmomic valve
The semilunar valves are the ________ in the left side of the
heart correct answer: aortic valve
The cardiovascular system consists of: correct answer: heart
and blood vessels
What are the two continuous linkings of the blood vessels?
correct answer: • the pulmonary circulation and the systemic
circulation.
Which layer of the heart is the outermost? correct answer:
pericardium
How many membranes does the pericardium have? correct
answer: two small membranes
, What has the pericardium have inside? correct answer: fluid
What layer of the heart is considered the outer surface and the
base of great vessels insert in this area? correct answer:
epicardium
What layer is considered the heart muscle? correct answer:
myocardium
What layer of the heart is the inner layer and lining of
chambers? correct answer: endocardium
What layers make up the ventricular wall of heart muscle?
correct answer: endocardium
myocardium
epicardium
Pericardium is also known as correct answer: sac around the
heart
What are the 3 components of the conduction system of the
heart? correct answer: 1) Sinoatrial Node (SA) node
2) Atrioventricular Node (AV) node
3) Conduction fibers (bundle of His, the bundle branches, and
the Purkinje fibers)
Describe automaticity of the heart: correct answer: •
Automaticity: Sa node to talk to other nodes and send message
o gives the heart the lub tub
o Communication
o SA node taking to AV node to send signal