33. Name this bone marking/structure. 

49. Name this bone. 

Bonus Question: A. Name this bone marking/structure.   

32. Name this bone marking/structure. 

Bonus Question: D. Name this bone, include L. or R. 

30. Name this bone, include L. or R. 

A 63-year-old male with chronic GERD has been taking omeprazole daily for 3 years. He presents with fatigue and numbness in his feet. Laboratory results reveal macrocytic anemia and low serum vitamin B12 levels. Which of the following best explains the mechanism underlying this adverse effect?  

Bonus Question: E.  Name this bone. 

13. Name this part of this bone. 

A 62-year-old male presents for follow-up two weeks after hospitalization for an ST-elevation myocardial infarction (STEMI) treated with percutaneous coronary intervention and drug-eluting stent placement. His current medications include aspirin, atorvastatin 80 mg daily, and metoprolol succinate 50 mg daily. Blood pressure is 128/76 mm Hg, heart rate 64 bpm, and LVEF is 38%. Which of the following medications should be initiated to reduce mortality and prevent adverse ventricular remodeling?