Ex. 3A: Generate Hypotheses for 6 Treatments and Include Physiological Reasoning

Question

Ex. 3A: Generate Hypotheses for 6 Treatments and Include Physiological Reasoning (from p.3) Present your hypothesis and rationale for each treatment. Predict how RR and HR will be affected by the following treatments relative to Eupnea. Will they increase, decrease, or not change? Why? Explain using what you have learned about respiratory physiology. Eupnea: Eupnea is the base reading that will be compared to all other treatments because it is normal at rest breathing. Biofeedback: There will be a decrease in RR due to relaxation and consciously thinking however, there will be an increase in HR because heart is under stress also due to consciously thinking Apnea: Holding your breath will increase both RR and HR because subject will desperately try to replenish the oxygen after being deprived of it for a while. Hyperventilation: Both the RR and HR will increase because taking deep breaths brings in more oxygen to the lungs. Hypoventilation: RR and HR will decrease because the short and quick breaths will create a lack of oxygen intake in the lungs. Table 2. Respiratory Rates and Heart Rates Hyperventilation Hypoventilation Eupnea Biofeedback Apnea Exercise RR IHR HR RR |HR Subiect Tracey 28 72 24 9032 78 32 80 32 240 126 RR- respiratory rate HR heart rate Ex. 3D: Discussion of RR and HR Data for 6 Treatments Discuss your results, what happened during the treatment. What did the RR&HR; do to bring values back to normal. What is the relationship between ventilation and perfusion? Biofeedback....? Apnea.... ? Hyperventilation...? Hypoventilation. Exercise... 7

Explanation / Answer

1) Relationship between ventilation and perfusion:ventilation is the rate at which air enters or leaves the lungs and perfusion is the movement of blood into the lungs through pulmonary capillaries, the ventilation and perfusion relationship is what determines the concentration of oxygen in the alveloar compartment and in the blood, it is depended upon both the rate at which o2 is added or ventilation and they rate at which blood is pumped or perfusion, the concentration of the oxygen in the alveolar compartment and the blood. 2)Biofeedback:during normal breathing one of the many oscillations in heart rate usually ocurs at the same frequency as breathing, the frequency is between 9 to 24 breaths per minute , the oscillations in heart rate is due to influences of respiration on thr sinoatrial node of the heart, the heart rate increases tend to follow inhalation at about midbreath point and heart rate decrease follow exhalation also at the midbreath point. 3)Apnea: during this respiratory rate and heart rate decreases because in apnea the muscles surrounding the airway during sleep are not strong enough to prevent any blockage the airway collapses and air does not reach the lungs. 4)Hyperventilation: it is a condition in which very fast breathe is seen, in hyperventilate by rapid exhailing more than inhale this cause rapid reduction in the carbondioxide, the respiratory rate is rapid and deep, when cabondioxide levels fall this results in anxiety , which increases the breathing and heart rate. 5)Hypoventilation:it is results in low carbondioxide, due to respiratory depression, and heart rate is decreased. 6) Exercise: the respiratory rate and heart rate is increased.

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