Exercise Breathing Word Scramble
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Question | Answer |
What happens to Arterial O2 during exercise? | remains NORMAL |
What happens to Arterial CO2 during exercise? | Normal --> Declines |
What happens to arterial H+ during exercise? | Acidifies w/ Intense Exercise |
What is the function of the Motor Cortex during exercise? | APs --> exercising Muscles & Inspiratory Center |
What is the function of Mechanoreceptors during exercise? | receptors in Joints and Tendons --> + Inspiratory Center & CVC |
What is meant by "Thermal Excitation" during exercise? | Heat of exercise warms the Inspiratory Center |
What role do Hormones play in exercise? | --> ß2-Adrenergic receptors --> DILATION of Bronchioles (smooth muscle) |
What 4 factors effect control of breathing during exercise ans what is their significance? | 1. Motor Cortex; 2. Mechanoreceptors; 3. Thermal Excitation; 4. Hormones - ^ MV IMMEDIATELY to maintain Hemostasis |
Which 2 factors of breathing control during exercise are responsible for increasing MV? | Motor Cortex, Mechanoreceptors |
What would be the pathway result of hold your breath? | hold breath --> decrease O2 --> increase CO2 --> decrease pH --> overrides choice - protect CSF |
Created by:
Kristel
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