RRT Tmc Exam With 100% Correct Answers

The patient's lung has an air leak - Correct Answer- You are called to the emergency department to help care for a patient who was in a vehicle accident and has chest injuries including broken ribs. Crepitations are felt while palpitating the patient's neck. What is most likely the cause of this? Reversible airway obstruction - Correct Answer- A forced expiratory measurement obtained after the administration of a bronchodilator shows an increase in FEV1 from 60% to 80% of predicted. This indicates a: complete airway obstruction - Correct Answer- During capnography monitoring of a mechanically ventilated patient, you note that the end-tidal PCO2 (PetCO2) has dropped to 0 mm Hg. This finding may indicate: inserting an esophageal-tracheal combitube - Correct Answer- An unconscious apneic patient with a full stomach cannot be orally intubated in the emergency room. Which of the following would your recommend be? patients size and clinical condition - Correct Answer- While establishing initial ventilatory support settings for a new patient, the most important consideration is the: Fever (hyperthermia) - Correct Answer- A male patient has a lower than normal mixed venous O2 content. Which of the following is the most likely cause of this condition? apply 5-10 cm H20 pressure support - Correct Answer- You are trying to wean an alert intubated patient off full ventilatory support using the CPAP protocol with 40% O2. Early in the initial effort her respiratory rate increases from 24 to 30/min and you start to observe some use of her accessory muscles while breathing. Which of the following would be your first action at this time? 70 minutes - Correct Answer- What is the approximate duration of flow of an oxygen Ecylinder at 1000 psi running at 4 L/min? increase the suction pressure to -120 mm Hg - Correct Answer- While using a Yankauer device to suction an adult patient, you are unable to remove thick secretions. The regulator attached to the oropharyngeal suctioning device displays a reading of -70 mm Hg. Which of the following actions should you take at this time? a missing lead - Correct Answer- While setting up a 12-lead EKG on a patient, you are unable obtain any electrical signal. The batteries are fully charged and the device was able to power-on. The most likely cause of this problem is which of the following?angiography - Correct Answer- Which of the following imaging procedures is used to evaluate the arteries for abnormalities such as aneurysm, atherosclerosis, embolism, occlusion, stenosis, thrombosis, trauma, or vasculitis? has smoked within the prior 12-24 hours - Correct Answer- You obtain an expired carbon monoxide (CO) reading of 18 ppm on a COPD patient participating in a pulmonary rehabilitation program. Based on this finding, you can conclude that the patient: decrease in O2 saturation from 91% to 82% - Correct Answer- While monitoring a patient during a spontaneous breathing trial, which of the following observations would cause you to stop the trial and return the patient to ventilatory support? increased ventilation - Correct Answer- Your patient is receiving volume control A/C ventilation. She has become increasingly agitated and the end-tidal CO2 has decreased from 38 to 27 torr over the last 3 hours. Which of the following is most likely the cause? 3500 mL - Correct Answer- A normal vital capacity for a female patient who is five feet three inches tall and weighs fifty kilograms would be approximately: the se