It seems like the answer options are missing from your query. Omeprazole is not an H2-receptor antagonist; it is a proton pump inhibitor (PPI).
All of the following are H2-receptor antagonist drugs except?
Review the verified answer and explanation for this SPSC – Sindh Public Service Commission past-paper question on CampusFin.
Question context
This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.