CVS Flashcards
(26 cards)
What is the primary function of the heart?
To pump blood throughout the body.
True or False: The heart has four chambers.
True.
Fill in the blank: The upper chambers of the heart are called _____.
atriums.
What are the two lower chambers of the heart called?
Ventricles.
Which chamber receives oxygen-rich blood from the lungs?
Left atrium.
What is the name of the valve located between the left atrium and left ventricle?
Mitral valve.
Multiple Choice: Which of the following valves prevents backflow into the left atrium? A) Aortic valve B) Pulmonary valve C) Mitral valve D) Tricuspid valve
C) Mitral valve.
True or False: The right ventricle pumps deoxygenated blood to the aorta.
False.
What is the function of the septum in the heart?
To separate the left and right sides of the heart.
Fill in the blank: The _____ valve controls blood flow from the right ventricle to the pulmonary artery.
Pulmonary.
What major blood vessel carries oxygenated blood away from the heart?
Aorta.
Multiple Choice: Which chamber of the heart has the thickest walls? A) Right atrium B) Left atrium C) Right ventricle D) Left ventricle
D) Left ventricle.
True or False: The heart is located in the thoracic cavity.
True.
What is the role of the coronary arteries?
To supply blood to the heart muscle itself.
Fill in the blank: The _____ node is known as the heart’s natural pacemaker.
Sinoatrial (SA).
What is the term for the heart’s electrical conduction pathway?
Cardiac conduction system.
Multiple Choice: Which part of the heart receives deoxygenated blood from the body? A) Left atrium B) Right atrium C) Left ventricle D) Right ventricle
B) Right atrium.
True or False: The tricuspid valve is located between the right atrium and right ventricle.
True.
What is the purpose of the aortic valve?
To prevent backflow of blood into the left ventricle.
Fill in the blank: Blood enters the heart through the superior and inferior _____ veins.
vena cava.
Which structure helps to ensure unidirectional blood flow in the heart?
Heart valves.
What does the term ‘myocardium’ refer to?
The muscular tissue of the heart.
Multiple Choice: Which chamber pumps blood to the lungs? A) Left atrium B) Right atrium C) Left ventricle D) Right ventricle
D) Right ventricle.
True or False: The pericardium is a double-walled sac surrounding the heart.
True.
