What are the normal systolic and diastolic blood pressure ranges for a healthy adult?

• A. Systolic 90-120 mmHg and diastolic 60-80 mmHg
• B. Systolic 100-130 mmHg and diastolic 70-85 mmHg
• C. Systolic 80-110 mmHg and diastolic 50-70 mmHg
• D. Systolic 120-140 mmHg and diastolic 60-90 mmHg

Answer: (A)