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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Name: ____________________   Date: ____________

1.Easy

Which mineral is an essential part of haemoglobin?

  1. AZinc
  2. BIodine
  3. CIron
  4. DCalcium
2.Easy

Which hormone lowers blood glucose?

  1. AAdrenaline
  2. BGlucagon
  3. CInsulin
  4. DCortisol
3.Easy

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

  1. AErythropoietin
  2. BThrombopoietin
  3. CRenin
  4. DAldosterone
4.Medium

What causes the first heart sound (S1)?

  1. AClosure of the mitral and tricuspid valves
  2. BOpening of the aortic valve
  3. CClosure of the aortic and pulmonary valves
  4. DBlood filling the atria
5.Medium

What is the main stimulus for breathing in a healthy person?

  1. AA rise in arterial CO₂
  2. BA fall in blood pH caused by lactate only
  3. CA fall in arterial O₂
  4. DA rise in blood glucose
6.Medium

Which protein forms the mesh that stabilises a blood clot?

  1. ACollagen
  2. BFibrin
  3. CAlbumin
  4. DThrombin
7.Hard

Which substance's clearance is used as the gold standard to measure glomerular filtration rate?

  1. AInulin
  2. BCreatinine
  3. CGlucose
  4. DUrea
8.Hard

Spirometry shows reduced FEV1 and reduced FVC, with a normal or high FEV1/FVC ratio. What pattern is this?

  1. AAn obstructive pattern, as in asthma
  2. BA restrictive pattern, as in pulmonary fibrosis
  3. CA normal result in an older adult
  4. DAn obstructive pattern, as in emphysema or chronic bronchitis

Answer key

  1. 1. C · Iron
  2. 2. C · Insulin
  3. 3. A · Erythropoietin
  4. 4. A · Closure of the mitral and tricuspid valves
  5. 5. A · A rise in arterial CO₂
  6. 6. B · Fibrin
  7. 7. A · Inulin
  8. 8. B · A restrictive pattern, as in pulmonary fibrosis

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