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3. P.E. > Heart > Flashcards

Heart Flashcards

1
Q

Flashcard Question

A

Flashcard Answer

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2
Q

What does the Cardiovascular System Consist Of?

A 
Heart
Blood Vessels
Blood
Pulmonary Circuit
Systemic Circuit
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3
Q

Does the Blood ever leave the cardiovascular system?

A

No, it is a closed circuit

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4
Q

What is the Cardiovascular System responsible for?

A
  • Transportation of Oxygenated blood to working muscles
  • Transportation of gases and fuels
  • Immunity,
  • Cellular Repair and regrowth,
  • Thermoregulation
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5
Q

What does the Respiratory System consist of?

A

Mouth
Nose
Airways
Lungs

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6
Q

What is the Respiratory System responsible for?

A
  • Breath in air from the environment
  • Transfer oxygen into the blood
  • Remove carbon dioxide from the blood
  • Return air back to the environment
  • Create speech as air moves over the larynx
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7
Q

Name the 2 Upper Chambers of the Heart

A

Atria

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8
Q

Name the 2 Lower Chambers of the Heart

A

Ventricles

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9
Q

Is the Heart a Muscle?

A

Yes

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10
Q

Define Ventricles ?

A

Responsible for pumping blood throughout the body

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11
Q

Define Transversely ?

A

Horizontal plane dividing top from bottom

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12
Q

Define Superior ?

A

Upper part of the heart

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13
Q

Define Inferior ?

A

Lower part of the heart

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14
Q

Define Sagittal ?

A

Division of the body into right & left halves

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15
Q

Define Oxygenated Blood ?

A

Left side of the heart delivers it to the body

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16
Q

Define Deoxygenated Blood ?

A

Right side of the heart has this blood that travels to the lungs to remove carbon dioxide and gather more oxygen

17
Q

Define Systole ?

A
  • Pumping
  • contraction of the heart muscle
  • blood out of ventricles and into the arteries
18
Q

Define Diastole ?

A
  • Filling
  • relaxation phase of the heart beat.
  • heart fills with blood from the veins
19
Q

How many beats does the heart make per day

A

100,000

20
Q

How long does it take to complete a heartbeat?

A

Less than 1 second

21
Q

What are the 4 stages of the Cardiac Cycle?

A

Stage 1 – Atrial Diastole
Stage 2 – Ventricular Diastole
Stage 3 – Atrial Systole
Stage 4 – Ventricular Systole

22
Q

Describe Stage 1 of the Cardiac Cycle

A

The atria fill with blood returning from two key areas - the body and the lungs. Blood from the body returns through the vena cava into the right atrium. Blood from the lungs returns through the pulmonary vein into the left atrium. The heart valves remain shut.

23
Q

Describe Stage 2 of the Cardiac Cycle

A

The pressure build up in the atria causes the bicupsid and tricuspid valves to open. Blood Flows into the Ventricles. Then the valves shut again.

24
Q

Describe Stage 3 of the Cardiac Cycle

A

The Atria contract and blood is forced into the ventricles and pressure increases to become greater than that in the aorta and pulmonary artery

25
Q

Describe Stage 4 of the Cardiac Cycle

A

The Pulmonary valce and aortic valve at the top of the heart both open and the ventricles contract, forcing blood into the Arta to move to the rest of the body, or into the pulmonary artery to go to the lungs.

26
Q

Define Systemic Circulation ?

A

Left side of heart pumps oxygen rich blood to the entire body

27
Q

Define Pulmonary Circulation ?

A

Right side of the heart receives oxygen poor blood and then pumps to lungs to get re-oxygenated

28
Q

What is Strock Volume (SV) ?

A

How much blood is squeezed out of the heart in one beat

29
Q

What is the Average Adults resting SV ?

A

70-90ml.

30
Q

How much does SV increase during exercise ?

A

approx. 40%

31
Q

What is the Heart Rate ?

A

Number of beats the heart makes per minute

32
Q

What is Cardiac Output (Q) ?

A

Amount of blood pumped out of the heart per minute

33
Q

What is Cardiac Output (Q) formula ?

A

Cardiac Output (Q) = Stroke Volume (SV) x Heart Rate

3. P.E. (5 decks)

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