A patient is on a ventilator in the ICU, ETT position  needs to be confirmed. Which type of film is most appropriate? 

A 50-kg (110-pound) 30-year-old female patient has myasthenia gravis. Bedside spirometry has found her VC to be 700 mL and NIF –14 cm H2O. Vital signs show a respiratory rate of 38 breaths/min, a heart rate of 140/minute, and blood pressure of 130/90 mm Hg. What should the respiratory therapist recommend?    

A patient’s recent chest radiograph reveals diffusely black lung parenchyma without evidence of blood vessels. The therapist should interpret this X-ray as

The major pathologic or structural changes of the lungs associated with myasthenic crisis include:

The respiratory therapist is monitoring the blood pressure of a patient in the emergency department and notes that the blood pressure is 15 mm Hg less on inspiration than on expiration. Which of the following would most likely result in this finding?    

A patient has lung infection with Pseudomonas aeruginosa. What first-line antibiotic should be used to treat?  

Which of the following are clinical manifestations of chronic bronchitis?   a. Cor pulmonale Digital clubbing Tactile fremitus Purse-lip breathing b. Left heart failure Polycythemia Hyperressont percussion note  Tactile fremitus c. Cor pulmonale Stocky Chronic ventilatory failure Digital clubbing d. Purulent spumtum  Tactile fremitus Polycythemia Thin built

Patient is following up with his pulmonologist after a polysomnography. Patient had 97 episodes of OSA and 15 episodes of central sleep apnea with SpO2 dropping to an average of 72% during the apnea episodes. Physician asks the therapist for a recommendation. What would be the best recommendation

After the inhalation of a bronchodilator, what percentage change in peak expiratory flow (PEFR) would be required to demonstrate reversible air flow limitation consistent with asthma?    

Your patient has an elevated white blood cell (WBC) count but no signs or symptoms of infection. She uses albuterol, ipratropium, and salmeterol and is currently taking a glucocorticoid. What is the most likely cause of her elevated WBC count?