Nurs 454 Exam #1 Questions With Correct
Answers.
True or False:
Capillary refill is part of ventilation. - answerTrue
True or False:
Chronic illnesses (e.g. COPD) remain unchanged at high altitude. - answerFalse; High altitude
can cause exacerbations of chronic illness
What is usually the fi...
Does a heparin drip require a dedicated line? - answer✔Yes
Early signs of respiratory failure - answer✔Change in mental status, tachycardia, tachypnea,
mild HTN, restlessness, diaphoresis
Late signs of respiratory failure - answer✔Cyanosis, PaO2 of 45 mm Hg or less, dyspnea,
bradycardia, stupor, coma
Diagnostic studies used for respiratory failure - answer✔-Chest x-ray
-ABG
-Pulse oximetry
-CBC, serum electrolytes, UA
-ECG
-Sputum/blood cultures
-CT scan
-V/Q scan
-ETCO2 (end tidal CO2) capnography
-Pulmonary artery catheter (severe cases)
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