This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
All of the following statements are true except 
Select and explain. 
A. Sucralfate should not be given with antacids, B. Cimetidine inhibits the metabolism of Ketoconazole, C. Omeprazole acts by inhibiting H+ K+ ATPase, D. Ranitidine acts by inhibiting H1 receptors
D: Ranitidine acts by inhibiting H1 receptors
Answer: D: Ranitidine acts by inhibiting H1 receptors 
Explanation: Ranitidine inhibits H2 receptors, not H1 receptors.