JBLEARNING TEST PREP EMT WITH VERIFIED ANSWERS

All of the following would cause an increased level of carbon dioxide in the arterial blood, EXCEPT: A: short exhalation phase. B: reduced tidal volume. C: slow, shallow breathing. D: deep, rapid breathing.: D 2. A woman presents with acute shortness of breath. Her breathing appears labored and her skin is pale. You should: A: deliver humidified oxygen and administer an inhaled bronchodilator. B: ensure that her oxygen saturation does not fall below 85 percent. C: administer high-flow oxygen and assess the quality of her breathing. D: place her supine and assist her ventilations with a bag-mask device.: The correct answer is C 3. Which of the following signs or symptoms is indicative of cerebral hypoxia? A: Diffuse wheezing on exhalation B: Chief complaint of dyspnea C: Heart rate greater than 120 beats/min D: Decreased level of consciousness: The correct answer is D; 4. You are assessing a 66-year-old man who has emphysema and complains of worsened shortness of breath. He is confused, has a heart rate of 120 beats/min, and an oxygen saturation of 89%. Which of the following assessment findings should concern you the MOST? A: Confusion B: Worsened shortness of breath C: Low oxygen saturation D: Tachycardia: The correct answer is A; 5. Which of the following is the preferred initial method for providing artificial ventilations to an apneic adult? A: Flow-restricted, oxygen-powered ventilation device B: Two-person bag-valve-mask technique with 100% oxygen C: Mouth-to-mask technique with supplemental oxygen D: One-person bag-valve-mask technique with 100% oxygen: The correct answer is C; 1 / 52 EXAM