cardiovascular system pt2 Flashcards
What is the primary function of the human heart?
To pump blood throughout the body.
True or False: The heart has four chambers.
True.
Name the four chambers of the heart.
Right atrium, right ventricle, left atrium, left ventricle.
What is the role of the atria in the heart?
To receive blood entering the heart.
Fill in the blank: The __________ valve prevents backflow from the left ventricle to the left atrium.
mitral
Which valve is located between the right atrium and the right ventricle?
Tricuspid valve.
What is the function of the aorta?
To distribute oxygenated blood from the heart to the body.
True or False: The pulmonary arteries carry oxygenated blood.
False.
What is the purpose of the semilunar valves?
To prevent backflow of blood into the ventricles.
Multiple Choice: Which vessel carries deoxygenated blood from the body to the heart? A) Aorta B) Pulmonary vein C) Vena cava D) Coronary artery
C) Vena cava.
What type of blood does the left atrium receive?
Oxygenated blood.
Fill in the blank: The __________ is the thickest chamber of the heart.
left ventricle
True or False: The heart is located in the left side of the chest.
False.
What is the name of the outer layer of the heart?
Pericardium.
Multiple Choice: Which valve is also known as the aortic valve? A) Pulmonary valve B) Mitral valve C) Tricuspid valve D) None of the above
D) None of the above.
What is the role of coronary arteries?
To supply blood to the heart muscle.
Fill in the blank: The __________ valve is located between the left ventricle and the aorta.
aortic
True or False: Blood from the right ventricle goes to the lungs.
True.
What is the significance of the interventricular septum?
It separates the left and right ventricles.
What do the valves of the heart prevent?
The backflow of blood.
Multiple Choice: Which chamber of the heart pumps blood to the lungs? A) Left atrium B) Right atrium C) Left ventricle D) Right ventricle
D) Right ventricle.
What is the name of the largest vein in the body?
Vena cava.
Fill in the blank: The heart’s electrical system controls the __________ of the heart.
rhythm
True or False: The heart can function without any external nervous system input.
True.
