The Heart Flashcards
What is the primary function of the heart?
To pump blood throughout the body.
True or False: The heart has four chambers.
True.
What are the names of the four chambers of the heart?
Left atrium, right atrium, left ventricle, right ventricle.
Fill in the blank: The _______ valves prevent backflow of blood into the atria.
atrial.
Which chamber of the heart receives deoxygenated blood?
Right atrium.
What is the role of the left ventricle?
To pump oxygenated blood to the body.
Multiple Choice: Which valve is located between the left atrium and left ventricle? A) Tricuspid B) Mitral C) Pulmonary D) Aortic
B) Mitral.
What is the name of the heart’s natural pacemaker?
Sinoatrial (SA) node.
True or False: The heart is located in the thoracic cavity.
True.
What is the function of the coronary arteries?
To supply blood to the heart muscle.
Fill in the blank: The _______ circulatory system carries oxygen-rich blood away from the heart.
systemic.
What structure separates the left and right sides of the heart?
Septum.
Multiple Choice: Which of the following is NOT a part of the heart’s conduction system? A) SA node B) AV node C) Bundle of His D) Pulmonary vein
D) Pulmonary vein.
What is the average resting heart rate for adults?
60 to 100 beats per minute.
True or False: The heart can continue to beat independently of the brain.
True.
What is the pericardium?
The membrane surrounding the heart.
Fill in the blank: Blood flows from the right ventricle to the _______ artery.
pulmonary.
What type of muscle tissue is the heart made of?
Cardiac muscle.
Multiple Choice: Which part of the heart receives blood from the body? A) Right atrium B) Left ventricle C) Left atrium D) Right ventricle
A) Right atrium.
What happens during diastole?
The heart muscle relaxes and chambers fill with blood.
True or False: The aorta is the largest artery in the body.
True.
What is the role of the pulmonary veins?
To carry oxygenated blood from the lungs to the left atrium.
Fill in the blank: The heart’s pumping action is regulated by electrical impulses generated by the _______.
SA node.
What is cardiac output?
The volume of blood the heart pumps per minute.
