21. Which of the following is part of a nephron? A. glomerular capsule B. proxim

Question

21. Which of the following is part of a nephron? A. glomerular capsule B. proximal and distal convoluted collecting tubules C. loop of the nephron D. all of these are parts of a nephron 22. Which of the following structures is NOT found in the renal cortex? A. glomerular capsule B. proximal convoluted tubule C. loop of Henle D. distal convoluted tubule 23. Place the parts of the nephron in the correct order. A distal convoluted tubule, loop of Henle, glomerular capsule, proximal convoluted tubule, collecting duct B. glomerular capsule, proximal convoluted tubule, loop of Henle, distal convoluted tubule, collecting duct C. glomerular capsule, distal convoluted tubules, loop of Henle, proximal convoluted tubule, collecting duct D. loop of Henle, collecting duct, proximal convoluted tubule, glomerular capsule, distal convoluted tubule 24. Which of the following correctly describes the process of glomerular filtration? A. Blood cells and plasma proteins are pushed out of the glomerulus into the glomerular capsule. B. Water, nitrogenous wastes, nutrients, and ions are pushed out of the glomerulus into the glomerular capsule C. Water and dissolved substances move out of the glomerulus by osmosis into the glomerular capsule D. Water and formed elements are pushed out of the glomerulus into the glomerular capsule 25. The function of the proximal convoluted tubule is to A. return water and needed nutrients to the blood. B. move excess hydrogen ions into the kidney tubule. C. keep salt from re-entering the blood D. All of the choices are correct. 26. The process that moves substances from the blood into the kidney tubules to become part of the urine is A. glomerular filtration B. tubular reabsorption. C. tubular secretion 27. Which structure is NOT important for the reabsorption of water? A collecting duct B. glomerular capsule C. loop of Henle D. proximal convoluted tubule

Explanation / Answer

21. D. All of these are the parts of a nephron.

Parts of a nephron

22. C. Loop of Henle

Loop of Henle descends into the renal medulla

23. The parts of the nephron in correct sequential order

B. glomerular capsule, proximal convoluted tubule, loop of Henle, distal convoluted tubule, collecting duct.

24. D. water and formed elements are pushed out of the glomerulus into the glomerular capsule.

25. A. return water and needed nutrients to the blood.

26. A. glomerular filtration.

27. C. loop of Henle

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