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A postoperative abdominal surgery patient has been receiving intermittent positive-pressure breathing therapy four times daily. Over the past several days, her inspiratory capacity has progressively decreased and she reports increasing shortness of breath. A chest radiograph shows a left lower lobe opacity with a concave upper border. Which condition is most likely present?

Which of the following is not an indicator of an appropriate level of PEEP therapy?

A patient in the emergency department is breathing room air. ABG results are: pH 7.23, PaCO₂ 22 mmHg, PaO₂ 93mmHg, HCO₃⁻ 11 mEq/L, SaO₂ 96%, BE –14. Which intervention should the respiratory therapist recommend?

Air pollutants produced from the burning of fossil fuels include all of the following EXCEPT: 

A hematoma begins to form at the right radial artery site immediately after an arterial blood gas sample is drawn. What should the respiratory therapist do first?

A 65-year-old male with a history of long-standing hypertension presents to the emergency department with acute shortness of breath. Chest radiograph shows diffuse, fluffy bilateral infiltrates, and laboratory testing reveals a B-type natriuretic peptide (BNP) level of 980 pg/mL. Which condition is most likely?

A patient requiring ongoing nasotracheal suctioning begins to have mild epistaxis. Which recommendation is most appropriate?

What is normal urine output for a 70kg male?

An ABG sample has an air bubble inside the syringe, What effects would an air bubble have on an ABG  when a patient is breathing room air?   I. Decreased PaCO2 II. Increased PaO2 III. Decreased PaO2 IV. Increased pH

Which interventions are appropriate for a client with Alzheimer’s disease? (Select all that apply.)