Mastering A&p Final Exam!

where does reabsorption of organic substrates occur? {Ans: proximal convoluted tubule}Sodium and chloride ions are actively transported by cells of the ascending limb and influence the concentration gradient of the nearby descending limb. {Ans: }which of these changes is least likely as people age? a. loss of sphincter tone b. loss of functional nephrons c. increased sensitivity to aldosterone d. detrusor muscle weakness {Ans: c. increased sensitivity to aldosterone}The step in kidney function where fluid is forced out of the blood is __________. The step in kidney function where fluid is forced out of the blood is __________. from glomerulus to glomerular capsule from PCT to DCT from glomerular capsule to PCT from afferent arteriole to glomerulus {Ans: from glomerulus to glomerular capsule}Which of the following GFR-regulating mechanisms is initiated by cells of the juxtaglomerular complex? autonomic regulation renin-angiotensin system myogenic mechanism natriuretic peptides {Ans: renin-angiotensin system}Which of these is not an aspect of the micturition reflex arc? The effector is the detrusor muscle. It involves sympathetic nervous system function. It is stimulated by mechanoreceptors. CNS processing occurs in the sacral cord. {Ans: It involves sympathetic nervous system function.}