Bioscience - Renal 2020

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1. The diagram below shows a nephron. What is true of label B

  • Proximal convoluted tube helps the bloodstream reabsorb the largest proportion of filtrate constituents including water, glucose, amino acids vitamins and several ions
  • The proximal tube is a site for tubular secretion, depositing substances from blood to kidney tubule
  • The distal convoluted tube helps the bloodstream reabsorb, sodium and bicarbonate
  • Proximal convoluted tube helps the bloodstream reabsorb water and sodium only
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Other questions in this quiz

2. Which of the following are responsible for the voluntary voiding of urine that develops during potty training in an infant

  • The external urethral sphincter
  • The detrusor
  • The trigone
  • The internal urethral sphincter

3. The functional units (the nephrons) are packed neatly into

  • All nephrons traverse both regions, some have more of their loop structure located in the medulla
  • The renal cortex
  • Some reach into the cortex and others are packed into the medulla
  • The renal medulla

4. The kidney is NOT responsible for contributing to

  • The production of all blood cells
  • The control of blood pressure
  • The production of red blood cells
  • The activation of vitamin D

5. Observe the image above. The blue arrow is pointing to …………… and which of the following is the correct statement

  • The ascending limb of the loop of Henle and its role is to actively push sodium into the vasa recta (the blood vessels around the loop)
  • The descending limb of the loop of Henle and its role is to actively push sodium into the collecting distal convoluted tube
  • The distal convoluted tube and its role is to secrete potassium and ammonia from blood to tubule
  • The descending limb of the loop of Henle and its role is to reabsorb water for the bloodstream

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