Multiple choice The normal range of haemoglobin in the blood of a healthy adult person is 10 to 16 grams per deciliter 12 to 18 grams per deciliter 14 to 20 grams per deciliter None of these Reveal answer Fill a bubble to check yourself B Correct answer Explanation The normal hemoglobin range for a healthy adult male is typically 13.5 to 17.5 g/dL, and for a female, it is 12.0 to 15.5 g/dL. Option B (12 to 18) is the most accurate range provided.