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Magazine Problem 1
Select the correct order of organs for the path urine takes from its formation to its leaving the body: a. bladder; urethra; ureter; kidney b. bladder; kidney; ureter; urethra c. kidney; ureter; bladder; urethra d. kidney; urethra; bladder; ureter
Problem 2
Choose the incorrect statement: a. The interstitial fluid of the inner renal medulla has very high solute concentrations. b. During tubular reabsorption, useful substances move from the blood into the filtrate within the nephron. c. During tubular secretion, excess substances move from the blood into the filtrate within the nephron. d. During glomerular filtration, substances move from the blood into the nephron to form filtrate.
Problem 4
Which of the following substances would normally not pass through the glomerular filter? a. water b. ions c. red blood cells d. glucose
Problem 5
Microvilli dramatically increase surface area for reabsorption. In the nephron, microvilli characterize the a. proximal convoluted tubule. b. collecting duct. c. distal convoluted tubule. d. glomerulus.
Problem 7
Which of the following hormones results in production of large amounts of dilute urine? a. atrial natriuretic hormone (ANH) b. erythropoietin c. aldosterone d. antidiuretic hormone (ADH)
Problem 8
Urinary incontinence is a. lack of voluntary control over the internal urethral sphincter. b. found only in infants and young children. c. lack of voluntary control over urination. d. failure to expel urine from the bladder to a normal degree.
Problem 9
Which of the following substances has the lowest percent reabsorption by nephrons? a. glucose b. water c. bicarbonate d. urea
