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.

between the two muscle layers is the myenteric or auerbach's plexus, which controls peristalsis. in the colon, the muscularis externa is much thicker because the feces are large and heavy, requiring more force to push along. the stomach has a third layer of muscularis externa: the inner oblique layer.

answer: apply a medicine

explanation: