CCRN Questions Exam 2 with Complete Solutions Already Passed

CCRN Questions Exam 2 with Complete Solutions Already Passed 2. A patient presents with a productive cough, hypoxemia, a fever, hypotension, tachycardia, and tachypnea. Hypoxemia was corrected with the administration of oxygen. Which of the following should be done next? A. Administer antibiotics. B. Start a vasopressor. C. Collect a sputum culture. D. Initiate 0.9 normal saline. - (D) Correcting the hypotension (with isotonic fluid resuscitation in order to maintain organ perfusion) is the priority at this time. Antibiotics (choice (A)) will need to be started after blood cultures are obtained. A vasopressor (choice (B)) may not be needed if the MAP is restored with fluids. Although a sputum culture (choice (C)) may be indicated, blood cultures need to be drawn first so that antibiotics can be given (within the first hour, if possible). 10. A patient has a history of chronic respiratory failure secondary to COPD and now has acute respiratory failure secondary to pneumonia. Upon arrival at the critical care unit, his ABGs were a pH of 7.29, a PaCO 2 of 77, a PaO 2 of 51, and an HCO 3 of 31. He is receiving noninvasive ventilation with settings that read as follows: FiO 2 0.40,