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 part of the brain regulates body temperature, hunger and thirst?

  1. ACerebellum
  2. BOccipital lobe
  3. CHypothalamus
  4. DMedulla oblongata
2.Easy

Which organ filters the blood to produce urine?

  1. AKidney
  2. BBladder
  3. CSpleen
  4. DLiver
3.Easy

Which hormone, released by the pineal gland in darkness, helps regulate the sleep–wake cycle?

  1. AOxytocin
  2. BMelatonin
  3. CAdrenaline
  4. DCortisol
4.Medium

Which hormonal event triggers ovulation?

  1. AA rise in progesterone from the corpus luteum
  2. BA surge of luteinising hormone (LH)
  3. CA surge of prolactin
  4. DA fall in oestrogen
5.Medium

The Frank–Starling mechanism describes that:

  1. AContractility falls when temperature rises
  2. BHeart rate rises when arterial blood pressure falls suddenly
  3. CThe atria contract after the ventricles
  4. DStroke volume rises when ventricular filling increases
6.Medium

Besides lowering glucose, insulin moves which ion into cells, an effect used to treat hyperkalaemia?

  1. AChloride
  2. BPotassium
  3. CSodium
  4. DCalcium
7.Hard

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

  1. AInulin
  2. BUrea
  3. CCreatinine
  4. DGlucose
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 high PaCO₂
  2. BHigh pH and high bicarbonate
  3. CLow pH and low bicarbonate
  4. DHigh pH and low PaCO₂

Answer key

  1. 1. C · Hypothalamus
  2. 2. A · Kidney
  3. 3. B · Melatonin
  4. 4. B · A surge of luteinising hormone (LH)
  5. 5. D · Stroke volume rises when ventricular filling increases
  6. 6. B · Potassium
  7. 7. A · Inulin
  8. 8. D · High pH and low PaCO₂

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