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Medicine (MD) — Tanzania Biology — practice by topic

Browse 30 questions across 3 Biology topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Biology topics

Anatomy (30)Biology (30)Urinary System (30)

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The functional units of the kidney that cleanse the blood are the:Read the answer and worked solution →A frontal section of the kidney shows an inner medulla and an outer:Read the answer and worked solution →The tuft of capillaries at the start of a nephron is called the:Read the answer and worked solution →That capillary bed sits between efferent and afferent vessels, so it runs at a pressure that is:Read the answer and worked solution →

Worked practice questions

The functional units of the kidney that cleanse the blood are the:

  1. Nephrons
  2. Neurons
  3. Neutrons
  4. Nucleons
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Correct answer: A. Nephrons

1. Each kidney holds millions of them. 2. They filter blood and balance its contents. 3. Those units are the nephrons. _Source: OpenStax Anatomy and Physiology 2e, Chapter 25, The Urinary System._

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A frontal section of the kidney shows an inner medulla and an outer:

  1. Channel
  2. Cortex
  3. Cavity
  4. Capsule
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Correct answer: B. Cortex

1. Two regions are visible on the cut surface. 2. One lies towards the outside. 3. That outer region is the cortex. _Source: OpenStax Anatomy and Physiology 2e, Chapter 25, The Urinary System._

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The tuft of capillaries at the start of a nephron is called the:

  1. Glomerulus
  2. Gallbladder
  3. Granuloma
  4. Ganglioma
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Correct answer: A. Glomerulus

1. It is largely surrounded by Bowman's capsule. 2. Blood is filtered as it passes through. 3. That tuft is the glomerulus. _Source: OpenStax Anatomy and Physiology 2e, Chapter 25, The Urinary System._

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