Blood ________ is determined by the presence or absence of type A antigen and type B antigen, located on the surface of red blood cells

A 64-year-old female patient having an acute exacerbation of chronic obstructive pulmonary dis-ease (COPD) was admitted to the hospital yesterday

During rounds today the respiratory therapist finds the patient to be difficult to arouse and has the following physical findings: heart rate 102 beats/min, respiratory rate 23 breaths/min shallow and slightly labored, breath sounds are bilaterally decreased with rhonchi in both bases. The pa-tient has a frequent but weak cough. The respiratory therapist draws an ABG with the following results on a 2 L/min nasal cannula: pH 7.52, PaCO2 30 mm Hg, PaO2 45 mm Hg, SaO2 86%, HCO3? 24 m Eq/L. The most appropriate action is which of the following? a. Intubate and mechanically ventilate. b. Increase the nasal cannula to 4 L/min. c. Administer incentive spirometry. d. Begin noninvasive positive pressure venti-lation.

Which of the following is the appropriate temperature for storage conditions (USP) in a freezer?

Between -45° and -1°C Between -25° and -5°C Between -25° and -10°C Between -12° and -5°C