Which of the following does NOT relate to increasing stroke volume (SV)

It increase the amount of blood in my body

Carries blood away from the heart

What happens when the O2 demand of a muscle exceeds the O2 supply?

You start using Anaerobic systems

What is NOT true of the coronary arteries?

If blood flow is impeded you may have a stroke

What do platelets do?

They clot the blood when vessels get damaged

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Cardiovascular system

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Questions 15

Answers

1
Which of the following does NOT relate to increasing stroke volume (SV)
Your heart has grown in size
It increase the amount of blood in my body
It increases your potential cardiac output
You will have a lower HR at rest
2
What are the sacs in the lungs called?
Aeoli
Alpaca
Alveoli
Alvin
3
What is the yellow stuff on the heart in the picture?
Intramuscular fat
Subcutaneous fat
Plaque
Visceral fat
4
Which of these has NO affect on someones fitness?
Their stroke volume
Their lactate tolerance
Efficiency of gasseous exchange
Their haemoglobin count
5
What are the smallest blood vessels?
Arterioles
Capillaries
Vessicles
Ribosomes
6
What is the name of the artery that leaves the LV of the heart?
Pulmonary Vein
Arteriole
Aorta
Vena Cava
7
What is an artery?
Carries deoxygenated blood
Carries the blood towards the heart
Carries blood away from the heart
Carries oxygenated blood
8
What are the top chambers called
Atrium
Arterioles
Ventricles
Vescicles
9
What happens when the O2 demand of a muscle exceeds the O2 supply?
You start using Anaerobic systems
Your muscle no longer works
You die
You start to hyperventilate
10
What are the blood vessels connecting the heart and lungs called?
Alveoli system
Capillary system
Pulmonary system
Cardiorespiratory system
11
Which chamber of the heart is the strongest?
Left Ventricle
Right Atrium
Right Ventricle
Left Atrium
12
What is NOT true of the coronary arteries?
They supply the heart muscles with O2
They come directly from the Aorta
Poor diet and lifestyle can lead to blocked arteries
If blood flow is impeded you may have a stroke
13
What do platelets do?
They ingest and kill bacteria and viruses
They transport O2 and CO2
They clot the blood when vessels get damaged
They make blood in the bone marrow
14
What muscle controls lung function?
Obliques
Abdominus rectus
Transverse abdominus
Diaphragm
15
What carries O2 in the blood?
Haemoglobin
Plasma
Platelets
Mitochondria

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