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 measures should be used in assessing the adequacy of a patient’s alveolar ventilation? (Multiple Answers) 1. PaO2 2. Arterial pH 3. PaCO2 4. HCO3-

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 is a feature of Myasthenia gravis?  Limited to lower extremities only.  Descending muscle weakness.   Ascending muscle weakness.  Limited to middle of the chest.

A 25-year-old female is admitted to the ER with spontaneous VT of 450 ml and a RR of 25 bpm.  Her ABG’s show a pH 7.46, PaCO2 32 mm Hg and PaO2 50 mm Hg on room air. Which of the following is the best recommendation for this patient at this time?  1 L/min O2 via nasal cannula.  High flow nasal cannula with oxygen at 50%.   IS and CPT Q2 hours with continuous aerosol at 30% FiO2.  Intubate and place on mechanical ventilator.

In intubated patients, which of the following sources can impose increased work of breathing? (Multiple Answers)  endotracheal tube  auto-PEEP  chest tube  gastric tube  

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

A 34-year-old male admitted to the emergency department with lung contusions and presents with the following ABG results breathing FIO2 .40: pH            7.50 PaCO2     28 mm Hg PaO2       45 mm Hg HCO3‾    23 mEq/L Which of the following best describes this patient’s condition?

All of the following would tend to cause hypercapnic respiratory failure except:  COPD  drug overdose/sedation  muscular dystrophy  smoke inhalation  

What is a key factor in ensuring safety during a funeral procession?