An individual finds that during rest their respiratory rate is sufficient to meet their metabolic needs. However, whenever they perform physical activities they find that they have trouble exhaling quickly enough to keep up with their increased CO2 production. Assuming the problem is muscular, what are the affected structures and how are they affected?

When someone is breathing in a relaxed state, what skeletal muscles are used?

Based on the results from hyperventilation, does the concentration of oxygen or carbon dioxide have a greater influence on how long one can hold his breath? Explain why

Under conditions where normal breathing isn’t sufficient, other muscles will assist the diaphragm in changing the volume of the thoracic cavity. A muscle that increases the volume of the thoracic cavity will cause pressure to (↑/↓) which means that it is helping with forced (inspiration/expiration). A muscle that decreases the volume of the thoracic cavity will cause pressure to (↑/↓) which means that it is helping with forced (inspiration/expiration).

After light exercise, the oxygen consumed in recovery is approximately equal to the oxygen deficit, which is the amount of additional oxygen that would have been consumed had oxygen consumption reached steady state immediately. How is the oxygen consumed in recovery used?

You measure the vital signs for Mr. Yazdani, a client you are caring for. His oxygen saturation is 87% on room air. Mr. Yazdani does not appear to be in any distress and denies having any pain or shortness of breath. You see in his previously charted vitals that the saturation was 86%. You have two other clients who require your attention, including one who has been waiting for a shower. What will you do next?

Describe inhalation and exhalation.  Be sure to include discussions of what triggers them and the role of muscles in effecting these actions. You should also discuss the volume and pressure changes that occur during inhalation and exhalation.

How is breathing affected by the smooth muscle of the bronchial tree relaxing? and contracting?

Which of the following statements regarding control of respiration is TRUE? At high altitude, a decrease in PC02 of the blood stimulates an increase in ventilation. An increase in the HCO3- concentration in blood stimulates ventilation. A slight decrease in arterial PO2 is a stronger stimulus for increased ventilation than is a comparable decrease in arterial PCO2. The most important signal for regulating ventilation is the H+ concentration of arterial blood. Increased concentrations of lactic acid stimulate ventilation primarily by acting on peripheral chemoreceptors.

The ventral respiratory group functions in   Choose from the following: (A) normal inspiration / forced expiration (B) forced inspiration / passive expiration (C) forced inspiration / forced expiration