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C is the PCT because it has the "brush border"
B is the glomerulus
A is the Distal Convulated tubules
E is the collecting duct
D is the thick ascending loop of Henle
Please update the answer so it can help someone else.
- 40. Which of the following lettered curves in the graph shown best illustrates the renal handling of inulin? O A) 150- 15 100- 50- B A Filtered load remaining in tubular lumen (%) 200- 0+ OB) Proximal Loop of tubule Henle O C) Distal tubule HL Urine OD) O E)26. An investigator is interested in measuring renal plasma flow in an experiment. The clearance of which of the following compounds would best approximate this parameter? OA) p-Aminohippurate OB) Bicarbonate OC) Inulin D) Potassium E) Sodium OF) Water11. An experimental animal is treated with an agent that dilates efferent arterioles of glomerular capillaries. This agent would be expected to have which of the following effects on renal blood flow and glomerular filtration rate? OA) OB) C) O D) E) Renal blood flow Glomerular filtration rate T No change 1 ↑ L T 1 T ↑ ↓
- 33. The rate of HCO3-reabsorption in the renal tubules is increased by which of the following? OA) A decrease in the filtered load of HCO3 O B) An increase in arterial Pco₂ C) An increase in extracellular fluid volume OD) An increase in serum Cl-concentration O) E Inhibition of renal carbonic anhydrase activity2. Which of the following collecting duct transporters is required to concentrate urine?A) Aquaporin channelsB) H+ ATPaseC) K+ channelsD) Na+ channelsE) Na+ - K+ - 2CI - symporterWhich of the following statements is false regarding the filtration that takes place in the kidneys? a) About 20% of the total plasma volume is filtered into the lumen of Bowman's capsule. b) Glomerular filtration rate (GFR): indicates how fast blood plasma is filtered through the glomeruli of the kidney c) It is primarily the systemic blood pressure that determines how much urine you produce. d) The filtrate consists of water, smaller molecules and ions that can cross the filter barrier
- 40. During an experiment, a drug that specifically dilates the efferent arterioles of the kidney is infused into an experimental animal. Which of the following sets of renal changes is most likely to occur in response to the drug? 4 A) B) E) F) G) Absolute Proximal Tubule Reabsorption ↑ ↑ ↑ Renal O₂ Consumption ↑ ↓ ↑ Filtration Fraction ↑ ↑32. Renin-secreting cells in the kidney are located in which of the following structures? OA) Afferent arteriole B) Arched collecting tubules OC) Glomerular mesangium OD) Loop of Henle OE) Macula densa of the distal tubule30. A luminal cell membrane that has an Na+ K+-2C cotransporter is located in which of the following labeled regions on the nephron? OA) B) Cortex Outer medulla Inner medulla C) -D OD) OE) OF) O G)
- a) How does the kidney regulate blood volume and pressure? b) Explain the role of both the autonomic and somatic nervous systems in the regulation of lower urinary tract function and sphincter control.4. A 29-year-old man is being evaluated for renal disease. His weight is normal. Plasma creatinine concentration is 2 mg/dL, urine creatinine concentration is 100 mg/dL, and urine volume is 1 mL/min. Which of the following best represents the creatinine clearance (in ml/min) in this patient? A) 25 B) 50 O C) 75 O D) 100 O E) 12531. The main function of transitional epithelium in the ureter is: a) protection against kidney stones b) secretion of mucus c) reabsorption d) stretching