According to the dosing provided, which option corresponds to the adult aspirin dose?

• A. 81 mg (1 tablet)
• B. 324 mg (2 baby aspirin)
• C. 162 mg (2 baby aspirin)
• D. 500 mg

Answer: (B)

When giving aspirin in suspected acute coronary syndrome, the goal is to reach about 325 mg quickly to inhibit platelet aggregation. The option showing 324 mg matches that target dose and is typically achieved by chewing four 81 mg tablets (4 × 81 = 324). The other choices are either too small (81 mg, 162 mg) or higher than the usual single-dose recommendation (500 mg). Note that labeling can be inconsistent in some texts (for example, saying “2 baby aspirin” for 324 mg is misleading, since two 81 mg tablets total 162 mg), but the key point is the total dose, which is about 324 mg.