Heart Flashcards
(27 cards)
What is the primary function of the heart?
To pump blood throughout the body.
How many chambers does the heart have?
Four chambers.
What are the names of the four chambers of the heart?
Right atrium, right ventricle, left atrium, left ventricle.
True or False: The left ventricle pumps oxygenated blood to the body.
True.
Fill in the blank: The heart is located in the _____ cavity.
thoracic.
What structure separates the right and left sides of the heart?
The septum.
Which valve prevents backflow of blood from the aorta into the left ventricle?
The aortic valve.
What type of blood does the right atrium receive?
Deoxygenated blood.
What is the role of the pulmonary arteries?
To carry deoxygenated blood from the heart to the lungs.
Multiple choice: Which chamber has the thickest walls?
Left ventricle.
What is the name of the pacemaker of the heart?
Sinoatrial (SA) node.
True or False: The heart is a voluntary muscle.
False.
What is cardiac output?
The volume of blood the heart pumps per minute.
Fill in the blank: The heart receives its own blood supply from the _____ arteries.
coronary.
What is the function of the mitral valve?
To prevent backflow of blood from the left ventricle to the left atrium.
Which part of the heart receives oxygenated blood from the lungs?
Left atrium.
Multiple choice: Which vessel carries oxygenated blood to the body?
Aorta.
What is the term for the heart’s resting phase?
Diastole.
True or False: The heart has a single electrical conduction system.
True.
What is the role of the tricuspid valve?
To prevent backflow of blood from the right ventricle to the right atrium.
Fill in the blank: The heart beats approximately _____ times per minute at rest.
60 to 100.
What are the two main types of circulation in the body?
Systemic circulation and pulmonary circulation.
What is the function of the aortic valve?
To prevent backflow of blood from the aorta into the left ventricle.
Multiple choice: Which part of the heart is responsible for pumping blood to the lungs?
Right ventricle.
