Lewis Respiratory questions with correct answers

To promote the release of surfactant, the nurse encourages the patient to a. take deep breaths b. cough five times per hour to prevent alveolar collapse c. decrease fluid intake to reduce fluid accumulation in the alveoli d. sit with head of bed elevated to promote air movement through the pores of Kohn CORRECT ANSWER a. take deep breaths A patient with a respiratory condition asks, "How does air get into my lungs?" The nurse bases her answer on knowledge that air moves into the lungs because of a. increased CO2 and decreased O2 in the blood b. contraction of the accessory muscles c. stimulation of the respiratory muscles by the chemoreceptors d. decrease in intrathoracic pressure relative to pressure at the airway CORRECT ANSWER d. decrease in intrathoracic pressure relative to pressure at the airway The nurse can best determine adequate arterial oxygenation of the blood by assessing a. heart rate b. hemoglobin level c. arterial oxygen partial pressure d. arterial carbon dioxide partial pressure CORRECT ANSWER c. arterial oxygen partial pressure