Multiple choice The change in pH of human blood plasma from 7.4 to 7 causes acidosis alkalemia leukaemia anaemia Reveal answer Fill a bubble to check yourself A Correct answer Explanation Normal blood pH is 7.35-7.45. A drop from 7.4 to 7.0 indicates increased acidity (acidosis). Alkalemia (B) refers to alkaline pH. Leukemia (C) is blood cancer, and anemia (D) is low hemoglobin - neither relates to pH changes.