Applied science

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  • Created by: henryt03
  • Created on: 01-02-17 12:31
What is total lung capacity?
Total lung capacity is the maximum amount of air that the lungs can hold (5-6litres)
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What is the relaxed breathing rate?
12-15 breaths per minute
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What does the ventilation rate depend on?
The ventilation rate depends on the volume of air that is entering or leaving the lungs
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What is the respirtory system designed to do?
The respiritory system is designed to provide a means of obtaining oxygen and removing carbon dioxide waste.
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How does the buffer system control blood pH?
Buffers prevents large changes in the pH quickly taking up of realising H+ as blood pH changes.
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How does kidney excretion control blood pH?
The kidney tubules are able to respond to falls in blood pH slowly by secreting excess H+ into the urine
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How does respirtory mechanisms control blood pH?
Respiratory mechanisms controls blood pH because the body is able to respond changes into the blood pH quickly through respiratory control. For example, if the breathing rate is increased, extra CO2 can be exhaled from the lungs.
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How does the body respond to imbalances of the blood pH?
The body responses to acid-base imbalances is known as compensation and during compensation the body changes either the carbon dioxide levels or hydrogencarbonate level as it attempts to return H+ levels to normal.
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What does metobolic acidosis cause?
it causes the kidneys unable to retain sufficient HCO3or removed by excess H+ due to ketoacidosis
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What does metobolic alkalosis cause?
metobolic alkalosis causes the kidneys to retain excess HCO3
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What does respiratory acidosis cause?
Respiratory acidosis causes lungs to retainexcess CO2 (hypoventilation)
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What does respiratory alkalosis cause?
Respiratory alkalosis cuases the lungs to remove excess CO2 (hyperventilation)
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Other cards in this set

Card 2

Front

What is the relaxed breathing rate?

Back

12-15 breaths per minute

Card 3

Front

What does the ventilation rate depend on?

Back

Preview of the front of card 3

Card 4

Front

What is the respirtory system designed to do?

Back

Preview of the front of card 4

Card 5

Front

How does the buffer system control blood pH?

Back

Preview of the front of card 5
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