The function of the hepatic portal circulation is to: return glucose to the gene

Question

The function of the hepatic portal circulation is to: return glucose to the general circulation when blood sugar is low. collect absorbed nutrients for metabolic processing or storage before releasing them to the cellular use. carry twins to the venous system for disposal through the urinary tract. distribute hormones. True or False; Contraction of the external intercostals normally accompanies inspiration. True False Which of the following regions of the nephron is most likely to be found in the renal medulla? distal convoluted tubule

Explanation / Answer

29) The function of the hepatic portal system is to collect absorbed nutrients for metabolic processing or storage before releasing them to the circulation for cellular use. Ans. (b).

30) Yes, contraction of intercostal muscles accompanies inspiration. It can be represented as-

contraction of intercostal muscle> elevation of ribs and sternum> increased the front-to-back dimension of thoracic cavity> lowers air pressure in lung> air moves into the lung.

31) A loop of Henle found in the renal medulla. Ans. (b).

32) An increase in permeability of the cell of the collecting tubule to water is due to the increase in the production of ADH (anti-diuretic hormone). Ans.(C).

33) The kidney is stimulated to produce renin by a decrease in blood pressure. Ans.(A).

34) The fatty tissue surrounding the kidney is important because it stabilizes the position of the kidneys by holding them in their normal position. Ans.(A).

35) Excretion of the dilute urine requires impermeability of the collecting tubule to water. Ans.(C).

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