When carbon dioxide levels in the blood increases, mcq given below:
Q. When carbon dioxide levels in the blood increases,(a) pH of blood increases
|
| Do you Agree with Answer comment below |
🫁 CO₂ and Blood pH (Acid–Base Balance)
Let’s understand this in a very simple way.
What happens when CO₂ increases in blood?
Carbon dioxide (CO₂) reacts with water to form carbonic acid.
👉 More CO₂ → More acid → Blood becomes acidic
What is the correct answer?
✅ Correct Answer: (b) The blood becomes more acidic
Why does this happen?
- CO₂ increases → Carbonic acid increases
- Hydrogen ions (H⁺) increase
- pH decreases → Acidity increases
👉 This condition is called respiratory acidosis.
Why other options are not correct?
- (a) pH increases → ❌ Wrong, pH actually decreases
- (c) H⁺ decreases → ❌ Wrong, H⁺ increases
- (d) All of the above → ❌ Because (a) and (c) are incorrect
Simple Exam Trick:
CO₂ ↑ → Acid ↑ → pH ↓ → Acidosis
📌 Disclaimer: For exam preparation only. Clinical decisions should follow medical guidelines.
💚 Exam Objective Nursing – Asha D
Concept clarity • Easy recall • Nursing success