A patient with a 10-year history of chronic bronchitis and an acute viral pneumonia exhibits the following blood gas results breathing room air: pH = 7.22; PCO2 = 67 mm Hg; PO2 = 60 mm Hg; HCO3– = 26 mEq/L. Which of the following best describes this patient’s condition?

Which of the following patients are at greatest risk for developing auto-PEEP during mechanical ventilation?  Those with acute lung injury  Those with COPD   Those with congestive heart failure  Those with bilateral pneumonia

Sensory input to the dorsal respiratory neurons from the lungs, airways and peripheral chemoreceptors is provided via which nerves?  Glossopharyngeal  Vagus  Phrenic  Trigeminal

Which of the following can cause hypoxemia? (Multiple Answers)  V/Q mismatch  Diffusion impairment  Alveolar hypoventilation  Intrapulmonary shunting

Which of the following strategies can help reduce auto-PEEP in mechanically ventilated patients with obstructive lung disease? (Multiple Answers)1.  Use high inspiratory flows (70 to 100 L/min).2.  Apply extrinsic PEEP.3.  Use VT values (12 to 15 ml/kg).4.  Use high respiratory rates (>25/min).

What is the normal P(A–a)O2 range while breathing room air? 25 mm Hg to 50 mm Hg 10 mm Hg to 25 mm Hg less than 10 mm Hg greater than 25 mm Hg

Which of the following are common radiographic findings seen in patients with volume loss due to atelectasis?  Elevation of the hemidiaphragm.  Narrowing of the space between the ribs.  Increase in the retrosternal airspace.  Trachea shifts to the affected side.

Can microdermabrasion along with LED therapy?

A treatment plan begins with a series of ______microdermabrasion treatments administered once a week .

According to Egan’s, which of the following parameters are useful in assessing respiratory muscle strength?   VD/VT  VC  MVV  MIP