Atmosphere, Oxygen and Performance Flashcards
When you breathe How does the air get into your Blood?
When you breathe the oxygen goes into the bronchioles which then rub into the alveoli which then can transfer the oxygen into the blood and into red blood cells
What is the composite of the atmosphere
Nitrogen 78% oxygen is 21% and the rest of the 1% is other gases
What is the tidal volume of a normal breathe
500ml
What is Hypoxia?
Deficiency in oxygen supply to the brain and tissues enough to imbalance the body’s homeostasis and impaired the body’s normal functions
What is anemic Hypoxia?
Decrease is total amount of 02 bound to haemoglobin (This can be due to either blood loss or Carbon monoxide poisoning)
Initial Symptoms of Hypoxia?
Tingling in hands and feet
Cyanosis
Increased rate of breathing
Headache, nausea, dizziness, sweating
Mood change (irritability / euphoria)
What are Further Symptoms of Hypoxia?
Impaired vision
Impaired judgement
Muscular impairment
Memory impairment
Concentration impairment
Drowsiness
Slurred speech
What are the determining factors of Hypoxia?
Altitude, Time of exposure, Temperature and Physical activity (how Physically fit you are and are you doing exercise at the time)
For hypoxia what is the minimum safety altitude?
The minimum safety altitude is 10,000 feet. but from surface to 5000 there is no impairment.
What are the Hypoxia thresholds?
Add Photo from table on the power point lesson 4 slide 21
Hypoxia Counter measures?
Provide Oxygen and descend to the minimum safe Altitude (MSA)
What is the TUC (Time of Useful Consciousness) at 35000 feet?
Seated or at rest you will be unconscious in 30-90 seconds
What are the signs of hyperventilation?
Increase rate and depth of breathing
Paleness of skin
Muscle spasms
Anxiety
What are symptoms of hyperventilation?
Dizziness
Nausea
Numbness
Visual disturbance
What are the countermeasures for hyperventilation?
Photo of the last slide of speaking loudly and the paper bag
How is the rate and depth of breathing controlled
By the amount of carbonic acid in lungs?
What is internal respiration?
The exchange of oxygen and carbon dioxide in the cells
What are the constituents of atmosphere?
78% nitrogen 21% oxygen and 1 % other
The carbon dioxide level of the blood is higher than normal the Brian:
Increase the rate of breathing and your pulse rate. (This is because if you are suffering with too much carbon dioxide you need more oxygen)
