All of the following would cause an increased level of carbon dioxide in the arterial blood, EXCEPT:
A: short exhalation phase.
B: reduced tidal
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C: slow, shallow breathing.
D: deep, rapid breathing. correct answer: D
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. correct answer: The correct answer is C
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 correct answer: The correct answer is D;
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 correct answer: The correct answer is A;
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 correct answer: The correct answer is C;
Which of the following processes occurs during inhalation?
A: The intercostal muscles and diaphragm both contract.
B: The diaphragm contracts and the intercostal muscles relax.
C: The diaphragm descends and the intercostal muscles relax.
D: The intercostal muscles relax and the diaphragm descends. correct answer: The correct answer is A;
Which of the following would MOST likely occur if an adult patient is breathing at a rate of 45 breaths/min with shallow depth? [Show Less]