The nurse is teaching a client with advanced chronic obstructive pulmonary disease who was prescribed oral theophylline. Which client statement indicates that additional teaching is required?

A. "I need to avoid caffeinated products."
B. "I need to get my blood drug levels checked periodically."
C. "I need to report tremors and restlessness"
D. "I take cimetidine rather than omeprazole for heartburn'"

"I take cimetidine rather than omeprazole for heartburn'" (Ans D)

Explanation:

Theophylline can cause seizures and life-threatening arrhythmias depending upon a route of administration and dose due to its narrow therapeutic range (10-20 mcg/mL).

The dose can be adjusted based on peak drug levels, obtained 30 minutes after the dose is given. Clients who have oral theophylline should avoid medications such as cimetidine, ciprofloxacin that increase serum theophylline levels and caffeinated products.

answer:

it could come from a variety of sources.

explanation:

..although it was most likely developed through zoonotic transmission, where an infectious disease which usually afflicts when animals jump to humans.