RESPIRATORY QUESTIONS WITH ANSWERS AND RATIONALS EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

ESPIRATORY QUESTIONS WITH ANSWERS AND RATIONALS EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ 1. When ausculatiting a patient's lungs, your hear crackles. These are caused by: a. Secretions blocking the bronchial airways. b. Collapsed or fluid-filled alveoli snapping open c. A foreign body obstructing the trachea d. Consolidation Correct Answer: Answer: B Rationale: Crackles are caused by alveoli opening and are usually associated with fluid in the alveolar space. 2. Which ABG analysis results would you expect to find in a patient with acute respiratory failure? a. pH 7.25, PaO2 48, PaCO2 55 b. pH 7.40, PaO2 82, PaCO2 45 c. pH 7.50, PaO2 60, PaCO2 30 d. pH 7.30, PaO2 85, PaCO2 48 Correct Answer: Answer: A Rationale: The patient with a Pao2 less than 50, a decreased pH, and elevated Paco2 is hypoxemic and in respiratory acidosis. 3. Which option isn't a method of weaning a patient from mechanical ventilation? a. Intermittent mandatory ventilation b. Pressure support ventilation c. Spontaneous breathing trials with T-piece d. Controlled mandatory ventilation Correct Answer: Answer: D Rationale: Controlled mandatory ventilation is used when the patient can't initiate spontaneous breaths, such as a patient paralyzed because of spinal cord injury. It isn't an acceptable weaning method. 4. ET tubes have inflatable cuffs to: a. Measure pressure on tracheal tissues b. Drain gastric contents c. Prevent backflow of oxygen d. Treat laryngeal edema Correct Answer: Answer: C Rationale: ET tube cuffs prevent backflow of oxygen so that it's delivered fully to the lungs. 5. A patient diagnosed with status ashmaticus who was previously wheezing suddenly stops wheezing and continues to show signs of respiratory distress. Your assessment findings would indicate that: a. His condition is slowly improving b. He's in imminent danger of respiratory collapse c. He isn't as sick as you thought because he stopped wheezing d. You need more information because wheezing isn't a sensitive indicator of asthma Correct Answer: Answer: B Rationale: Wheezing that stops suddenly when signs of respiratory distress continue indicates severe bronchial constriction with little air movement during inspiration and expiration. This is a dangerous event, requiring immediate interventional to prevent respiratory collaps