JB LEARNING EMT CHAPTER 10 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+

Which of the following is the MOST reliable indicator of adequately performed bag-valve mask ventilation in an apneic adult with a pulse? Correct Answer: adequate rise of the chest when squeezing the bag Which of the following structures is NOT found in the upper airway Correct Answer: bronchus How does CPAP improve oxygenation and ventilation in patients with certain respiratory problems? Correct Answer: It forces the alveoli open pushes oxygen across the alveolar membrane. A patient who is suspected of being hypoxic and is breathing adequately should be given supplemental oxygen with a: Correct Answer: nonthreatening mask 2 The nasopharyngeal airway is MOST beneficial because it: Correct Answer: can maintain a patent airway in a semiconscious patient with a gag reflex When testing a mechanical suctioning unit, you should turn on the device, clamp the tubing, and ensure that it generates a vacuum pressure of more than: Correct Answer: 300 mm Hg. What occurs when a patient is breathing very rapidly and shallowly Correct Answer: air moves primarily in the anatomic dead space and does not participate in pulmonary gas exchange. The physical act of moving air into and out of the lungs is called: Correct Answer: ventilati