Cramped work spaces and inadequate equipment are examples of a workplace ergonomic hazard

A listless and lethargic 84-year-old male patient responds to physical stimuli with garbled speech. His respirations show poor effort and are rapid and labored, with a room-air SpO2 of 84%. Additionally, you cannot appreciate breath sounds in his right lung. The best form of oxygen therapy for this patient would be:

A) Positive pressure ventilation B) High-concentration oxygen via a nonrebreather mask C) Oxygen at 2 lpm via nasal cannula initially and increase the liter flow as needed D) Continuous positive airway pressure (CPAP)

Changes that occur in the cardiovascular system with aging may cause orthostatic hypotension, a ________ mmHg drop in blood pressure that occurs when an individual changes positions.

A. 10 to 20 B. 20 to 30 C. 30 to 40 D. 40 to 50