MANUAL PHYSIOLOGY PRACTICAL - Repository:The Medical ...
MANUAL PHYSIOLOGY PRACTICAL - Repository:The Medical ...
MANUAL PHYSIOLOGY PRACTICAL - Repository:The Medical ...
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FM/UOJ<br />
Observation<br />
Stick photocopy of the tracing<br />
Calculation<br />
Draw a line to join the lower points of the tracing which gives the slope. Read the<br />
reduction of volume for one minute.<br />
Assume,<br />
Reduction of volume in one minute<br />
= V ml.<br />
Atmospheric pressure<br />
= P mm Hg.<br />
Temperature in the chamber<br />
= T.C<br />
Saturated vapour pressure<br />
= W mm Hg.<br />
First step in the calculation is to calculate the reduction of volume in one minute (Vs) at<br />
standard temperature and pressure.<br />
760 X Vs = (P-W) X V<br />
273 (273 + T)<br />
/ Vs = (P-W) X V X 273<br />
(273+T) 760<br />
Vs X 60 : 1000<br />
= Oxygen consumption in liters per hour.<br />
Now look at the normogram for energy equivalent oxygen at the RQ of 0.85 and calculate<br />
the metabolic rate.<br />
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2. Weir’s Method<br />
Metabolism & Temperature<br />
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