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Blood pressure in the glomerular capillaries is in the range of?(a) 17-19 mmHg(b) 7-9 mmHg(c) 170-190 mmHg(d) 70-90 mmHgThis question was posed to me in an online interview.The query is from Potentiometric Recorder in section Recording System of Biomedical Instrumentation

Answer»

Correct option is (d) 70-90 mmHg

Easiest explanation: The blood PRESSURE within the glomerular capillaries is 70–90 mm of mercury. The blood flow through the capillary tuft is controlled by the state of contraction of the muscle of the ARTERIOLE leading to the tuft. The RENAL ARTERIES carry blood at very high pressure from the aorta into the glomerular capillary tuft.



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