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AI Generated Biology > Heart > Flashcards

Heart Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What is the function of the heart?

A

To pump blood throughout the body

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2
Q

True or false: The heart is a muscle.

A

True

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3
Q

What are the four chambers of the heart?

A

Left atrium, left ventricle, right atrium, right ventricle

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4
Q

What is the purpose of heart valves?

A

To prevent backflow of blood

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5
Q

What is the main artery that carries oxygenated blood away from the heart?

A

Aorta

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6
Q

What is the term for the relaxation phase of the heart’s cycle?

A

Diastole

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7
Q

What is the term for the contraction phase of the heart’s cycle?

A

Systole

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8
Q

Where is the sinoatrial node located?

A

In the right atrium

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9
Q

What is the function of the sinoatrial node?

A

To generate electrical impulses that regulate heart rhythm

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10
Q

What is the term for the volume of blood pumped by the heart in one minute?

A

Cardiac output

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11
Q

What is the term for the network of blood vessels that supplies the heart muscle with oxygen?

A

Coronary circulation

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12
Q

What is the leading cause of death worldwide?

A

Heart disease

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13
Q

What is the term for the blockage of blood flow to the heart muscle?

A

Heart attack

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14
Q

What is the term for the condition in which the heart beats irregularly?

A

Arrhythmia

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15
Q

What is the medical term for a heart attack?

A

Myocardial infarction

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16
Q

What is the term for the thin layer of cells that lines the interior of the heart?

A

Endocardium

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17
Q

What is the term for the outer layer of the heart?

A

Epicardium

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18
Q

What is the term for the middle layer of the heart?

A

Myocardium

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19
Q

What is the term for the process of recording the electrical activity of the heart?

A

Electrocardiography (ECG or EKG)

20
Q

What is the term for the procedure to restore normal heart rhythm using electrical shocks?

A

Cardioversion

21
Q

What is the term for the surgical procedure to bypass blocked coronary arteries?

A

Coronary artery bypass graft (CABG)

22
Q

What is the term for the medical device used to regulate heart rhythm?

A

Pacemaker

23
Q

What is the term for the medical device used to treat irregular heartbeats?

A

Implantable cardioverter-defibrillator (ICD)

24
Q

What is the term for the condition in which the heart cannot pump enough blood to meet the body’s needs?

A

Heart failure

25
Q

What is the term for the condition in which the heart muscle becomes weakened and enlarged?

A

Dilated cardiomyopathy

26
Q

What is the term for the condition in which the heart muscle becomes stiff and thick?

A

Hypertrophic cardiomyopathy

27
Q

What is the term for the condition in which the heart valves do not open or close properly?

A

Valvular heart disease

28
Q

What is the term for the condition in which there is a buildup of plaque in the arteries supplying the heart?

A

Coronary artery disease

29
Q

What is the term for the condition in which the heart rhythm is too slow?

A

Bradycardia

30
Q

What is the term for the condition in which the heart rhythm is too fast?

A

Tachycardia

31
Q

What is the term for the condition in which the heart’s electrical system malfunctions, causing rapid and chaotic heartbeats?

A

Ventricular fibrillation

32
Q

What is the term for the condition in which the heart’s upper chambers beat irregularly?

A

Atrial fibrillation

33
Q

What is the term for the procedure to open blocked coronary arteries using a balloon catheter?

A

Percutaneous coronary intervention (PCI)

34
Q

What is the term for the condition in which the heart’s blood supply is reduced, causing chest pain?

A

Angina

35
Q

What is the term for the condition in which the heart’s valves become stiff and narrow?

A

Valvular stenosis

36
Q

What is the term for the condition in which the heart’s valves leak, causing backflow of blood?

A

Valvular regurgitation

37
Q

What is the term for the condition in which the heart’s valves thicken and fuse together?

A

Valvular prolapse

38
Q

What is the term for the condition in which the heart’s valves do not close properly, causing backflow of blood?

A

Valvular insufficiency

39
Q

What is the term for the condition in which the heart’s chambers are enlarged and weakened?

A

Dilated cardiomyopathy

40
Q

What is the term for the condition in which the heart’s muscles thicken, making it harder to pump blood?

A

Hypertrophic cardiomyopathy

41
Q

What is the term for the condition in which the heart’s electrical signals are blocked, causing slow heart rate?

A

Heart block

42
Q

What is the term for the condition in which the heart’s upper chambers quiver instead of contracting normally?

A

Atrial fibrillation

43
Q

What is the term for the condition in which the heart’s lower chambers quiver instead of contracting normally?

A

Ventricular fibrillation

44
Q

What is the term for the condition in which the heart’s electrical system malfunctions, causing fast and irregular heartbeats?

A

Tachyarrhythmia

45
Q

What is the term for the condition in which the heart’s electrical system malfunctions, causing slow and irregular heartbeats?

A

Bradyarrhythmia

46
Q

What is the term for the condition in which the heart’s electrical system malfunctions, causing slow heart rate?

A

Bradycardia

47
Q

What is the term for the condition in which the heart’s electrical system malfunctions, causing fast heart rate?

A

Tachycardia

AI Generated Biology (5 decks)

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