1. In pH meter, the reference electrode is also called _______
(A) Active electrode
(B) pH electrode
(C) Gel electrode
(D) Calomel electrode
2. In pH meter, the glass electrode exhibits a high electrical resistance of the order of _______
(A) 50–100 kΩ
(B) 100–1000 kΩ
(C) 100–500 kΩ
(D) None of these
3. The normal pH of extracellular fluid lies in the range of _______
(A) 7.35 to 7.45
(B) 7.55 to 7.65
(C) 7.70 to 7.80
(D) 7.85 to 7.95
4. When the pH exceeds 7.45, the body is considered as _______
(A) Acidosis
(B) Alkalosis
(C) Neutral
(D) None of these
5. A body pH below 7.35 indicates _______
(A) None of these
(B) Neutral
(C) Alkalosis
(D) Acidosis