The baby born at 40 weeks gestation requires substantial resuscitation at birth and remains a critically ill neonate. Initial testing reveals a diagnosis of E. coli sepsis. Until further testing is completed, the nurse avoids administering which substance?

The patient intubated in the intensive care unit has the following arterial blood gas results: pH 7.21 PCO2 51 PaO2 38 HCO3 16 Base Excess -7 Which action does the nurse take first?

The 82-year-old patient from the long-term care facility is brought to the emergency department with wet-sounding cough and increased work of breathing. Vital signs are normal with the exception of tachypnea and an oxygen saturation of 91% on room air. Upon auscultation, the nurse notes diminished breath sounds over the right upper lobe. Chest radiograph indicates consolidation in the right upper lobe of the lung. The nurse prepares the patient for which test?