108 the most important trigger for aldosterone

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108) The most important trigger for aldosterone release is the renin - angiotensin mechanism, mediated by the renal tubules. 108) Answer: True False Explanation: 109) Blood buffers are important in maintaining blood pressure. 109) Answer: True False Explanation: 110) The bicarbonate buffer system prevents changes in blood pH through the action of carbonic acid and its salt, sodium bicarbonate. 110) Answer: True False Explanation: 111) When blood pH becomes too acidic, the tubule cells of the kidneys excrete bicarbonate ions and retain hydrogen ions. 111) Answer: True False Explanation: 25
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112) Sexually transmitted infections (STIs) are primarily infections of the reproductive tracts but may also cause urinary tract infections. 112) Answer: True False Explanation: 113) Incontinence is often the final outcome of the urinary system during the aging process. 113) Answer: True False Explanation: MATCHING. Choose the item in column 2 that best matches each item in column 1. Identify the process that occurs in the kidney. 114) Water and solutes are forced from the blood into the glomerular capsule of the nephron Answer: C 115) Water, glucose, amino acids, and needed ions are moved from the filtrate back into the blood Answer: B 116) Aldosterone promotes sodium and thus water to move from the filtrate through the tubule cells into the blood Answer: B 117) Antidiuretic hormone (ADH) promotes the movement of water from the filtrate back into the blood of the peritubular capillaries Answer: B 118) Unneeded substances such as potassium, urea, and creatinine are moved from the blood of the peritubular capillaries into the filtrate Answer: A 119) Opposite process to tubular reabsorption Answer: A A) tubular secretion B) tubular reabsorption C) glomerular filtration 114) 115) 116) 117) 118) 119) 26
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Identify the urinary structure with its associated description: 120) Cup - shaped extensions of the pelvis that enclose the tips of the renal (medullary) pyramids Answer: F 121) Outer, lighter region of the kidney Answer: C 122) Blood is transported away from the kidney in this vessel Answer: D 123) Cortex - like extensions that separate the renal (medullary) pyramids Answer: E 124) Darker, reddish - brown internal area of the kidney Answer: A 125) Triangular regions with a striped appearance Answer: G 126) Flat, basinlike cavity medial to the renal hilum of the kidney Answer: B A) renal medulla B) renal pelvis
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