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Ronan Asked :

21-11-2021 Spirometry

Q. The micro-electrode is enclosed in a water jacket with circulating water at a constant temperature of ___________ °C for determination of pH.

A. 25
B. 34
C. 38
D. 42


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Dapzoi Verified
Commented on 2021-11-21 12:21:36 (IST)
Answer: C

Explanation: A micro-electrode for clinical applications requires only 20–25 ml of capillary blood for the determination of pH. The electrode is enclosed in a water jacket with circulating water at a constant temperature of 38°C. The water contains 1% NACI for shielding against static interference.