Peak Expiratory Flow in Pulmonary Function Tests

Your patient has pulmonary function tests ordered. One of the values that is measured is the Peak Expiratory Flow. This measures:

A trauma patient comes into your ER after a motor vehicle accident. You see that his oxygen saturations are 92%, and are ready to put the nasal canula on him to increase his oxygen levels. However, his family member states that this patient has had emphysema for 10 years. You know that you should not attempt to get his oxygen up to 98% as you would in a healthy patient due to which of the following reasons?

Respiratory acidosis is the result of hypercapnia. How do the kidneys compensate for respiratory acidosis?

Trauma leading to air entering the pleural cavity is termed:

Stroke patients are routinely assessed by speech language pathologists to determine their swallowing efficacy secondary to loss of esophageal muscle control, and recommend best feeding practices. This is to prevent which of the following?

You are taking care of your total knee replacement patient postoperatively. One of the standing orders is to encourage use of the incentive spirometer every hour. You know that this is to prevent which of the following (choose BEST answer)?

How does hyperthermia (fever) affect hemoglobin affinity for oxygen?

Your patient has been determined to have ventilation-perfusion mismatching. There is an area with a pulmonary embolism that has resulted in a "dead space". You know that in this area, which of the following has occurred?

Which of the following will cause hypoxia to drive respiration?

Which of the following is NOT true of the atrioventricular valves?