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A+P > The Cardiovascular System > Flashcards

The Cardiovascular System Flashcards

1
Q

What is the cardiovascular systems main responsibility?

A

The circulation of blood

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2
Q

What are the 3 main structures of the CVS?

A

The heart
The blood vessels
The blood

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3
Q

What is the water solution called that cell particles float in?

A

Plasma

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4
Q

How much of the human body weight does blood make up?

A

8%

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5
Q

What are erythrocytes?

A

A red blood cell with a biconcave disc without a nucleus

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6
Q

What are leucocytes?

A

White blood cell, involved in defence

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7
Q

What are thrombocytes?

A

Plates which help clotting.

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8
Q

Name the three main stages of blood flow.

A

From lungs
Body
To lungs

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9
Q

How does blood flow from the lungs to the body?

A

Pulmonary vein -> left atrium -> left ventricle -> aorta -> arteries -> arterioles -> capillaries

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10
Q

How does blood flow from the body to the lungs?

A

Capillaries -> venules -> veins -> vena cava -> right atrium -> right ventricle -> pulmonary artery

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11
Q

Which organ is called the muscular pump?

A

The heart

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12
Q

Where about a is the heart located?

A

The thoracic cavity

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13
Q

How many chambers does the heart have?

A

4

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14
Q

What are the 4 chambers of the heart?

A

Upper chambers - atria

Lower chambers - ventricles

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15
Q

What is the left side of the heart responsible for?

A

Oxygenated blood

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16
Q

What is the right side of the heart responsible for?

A

Deoxygenated blood

17
Q

What is the heart primary function?

A

To circulate oxygenated blood around the body.

18
Q

Where does the oxygenated blood go?

A

To the body

19
Q

Where does the deoxygenated blood go?

A

To the lungs

20
Q

What is blood pressure?

A

The measure of the force that the blood applies on the walls of the arteries as it flows through them

21
Q

What is blood pressure measured in?

A

Millimetres of mercury (mmHg)

22
Q

What is systolic blood pressure? (SBP)

A

Contracting and pumping blood

23
Q

What is diastolic blood pressure?

A

Relaxing and filling with blood

24
Q

What is a normal SBP and DBP measurement ?

A

SBP >120mmHg and DBP >80mmHg

25
Q

What is an elevated SBP and DBP?

A

SBP- 120-129 mmHg and DBP - >80 mmHg

26
Q

What is an example of hypertension stage 1 SBP And DBP?

A

SBP- 130-139 mmHg or DBP- 80-90 mmHg

27
Q

What is an example of stage 2 hypertension SDP DBP?

A

SDP - < 140 mmHg or DBP < 90 mmHg

28
Q

What is an example of hypertension crisis?

A

SBP- <180 mmHg and/or DBP- <120 mmHg

29
Q

What happens in pulmonary circulation?

A

Circulation between the heart and the lungs

30
Q

What are the 4 stages of pulmonary circulation?

A

right ventricle
Pulmonary artery
Pulmonary vein
Left atrium

31
Q

What happens in systemic circulation?

A

Circulation between the heart and the body.

32
Q

What are the 5 stages in systemic circulation?

A 
Left ventricle 
Aorta, arteries, arterioles
Capillaries, venules, veins 
Vena cava
Right atrium
33
Q

Give 5 factors affecting blood pressure

A 
Alcohol
Smoking
Nutrition 
Medications
Massage
Physical activity 
Breathing
Age

A+P (9 decks)

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