WBCS.LIVE practice question

What is the average pH value of healthy human blood?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 6.0
  2. 7.0
  3. 7.4
  4. 8.5

Correct answer and explanation

Correct answer: 7.4

Explanation: āœ… Correct Answer: C) 7.4 šŸ“š Explanation: Human blood is slightly alkaline, with a normal pH range between 7.35 and 7.45. The body uses sophisticated buffering systems, involving the kidneys and lungs, to maintain this narrow range. Even a small deviation from this pH level can be life-threatening as it affects the function of vital proteins and enzymes.