Certified Medical Assistant (CMA AAMA)PharmacologyMedium
A medical assistant is reviewing a patient's medication list and notices a prescription for omeprazole. This medication primarily works by affecting which of the following body systems?
- ACardiovascular system
- BRespiratory system
- CGastrointestinal system
- DCentral nervous system
Show answer & explanationAnswer & explanation
Correct answer: C. Gastrointestinal system
Omeprazole is a proton pump inhibitor (PPI) commonly prescribed to reduce stomach acid production. Its primary action is within the gastrointestinal system to treat conditions like GERD and ulcers.
Why the other options are wrong
- A. Medications affecting the cardiovascular system include statins, beta-blockers, and ACE inhibitors, not omeprazole.
- B. Medications affecting the respiratory system include bronchodilators and corticosteroids for asthma/COPD, not omeprazole.
- D. Medications affecting the central nervous system include antidepressants, anxiolytics, and pain relievers, not omeprazole.
Omeprazole (PPI)
Omeprazole is a proton pump inhibitor that reduces stomach acid production, primarily affecting the gastrointestinal system.
- Used to treat GERD, ulcers, and heartburn.
- Works by blocking the enzyme system (H+/K+ ATPase).
- Taken orally, usually once daily before a meal.
Memory trick: PPIs Protect the Gut, Stop the Burn.