Human physiology worksheet with answers

Free printable Human physiology worksheet: 8 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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1.Easy

Which hormone, made mainly by the kidneys, stimulates red blood cell production?

  1. AThrombopoietin
  2. BAldosterone
  3. CErythropoietin
  4. DRenin
2.Easy

Which cells secrete antibodies?

  1. ANeutrophils
  2. BHelper T cells
  3. CPlasma cells
  4. DMacrophages
3.Easy

Which mineral is an essential part of haemoglobin?

  1. AIodine
  2. BCalcium
  3. CZinc
  4. DIron
4.Medium

Which protein forms the mesh that stabilises a blood clot?

  1. AAlbumin
  2. BFibrin
  3. CThrombin
  4. DCollagen
5.Medium

What is the main effect of vagus nerve stimulation on the heart?

  1. AIt slows the heart rate
  2. BIt constricts the coronary arteries
  3. CIt increases ventricular contractility strongly
  4. DIt increases the heart rate
6.Medium

Which hormone makes the gallbladder contract after a fatty meal?

  1. ACholecystokinin (CCK)
  2. BSecretin
  3. CGastrin
  4. DInsulin
7.Hard

After several days of persistent vomiting of stomach contents, which acid–base disturbance is most likely?

  1. ARespiratory alkalosis
  2. BRespiratory acidosis
  3. CMetabolic alkalosis
  4. DMetabolic acidosis
8.Hard

A patient hyperventilating during a panic attack has tingling fingers. What would the arterial blood gas most likely show?

  1. ALow pH and low bicarbonate
  2. BHigh pH and low PaCO₂
  3. CHigh pH and high bicarbonate
  4. DLow pH and high PaCO₂

Answer key

  1. 1. C · Erythropoietin
  2. 2. C · Plasma cells
  3. 3. D · Iron
  4. 4. B · Fibrin
  5. 5. A · It slows the heart rate
  6. 6. A · Cholecystokinin (CCK)
  7. 7. C · Metabolic alkalosis
  8. 8. B · High pH and low PaCO₂

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