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 hormone is mainly produced by the testes?

  1. ATestosterone
  2. BProgesterone
  3. CProlactin
  4. DOxytocin
2.Easy

What does bile do to fats in the small intestine?

  1. AConverts them into glucose
  2. BEmulsifies them into small droplets
  3. CAbsorbs them directly into the blood
  4. DBreaks them into amino acids
3.Easy

Which hormone does the corpus luteum mainly secrete after ovulation?

  1. AFollicle-stimulating hormone
  2. BProgesterone
  3. CLuteinising hormone
  4. DProlactin
4.Medium

Which protein forms the mesh that stabilises a blood clot?

  1. AThrombin
  2. BAlbumin
  3. CCollagen
  4. DFibrin
5.Medium

Which is a classic example of positive feedback in the body?

  1. ASweating when body temperature rises
  2. BADH release when plasma osmolality rises
  3. CInsulin release after a meal
  4. DOxytocin release during labour
6.Medium

What is the normal pH range of arterial blood?

  1. A7.50 to 7.65
  2. B7.00 to 7.20
  3. C6.80 to 7.00
  4. D7.35 to 7.45
7.Hard

Which change shifts the oxygen–haemoglobin dissociation curve to the right?

  1. ALower 2,3-BPG
  2. BHigher temperature
  3. CLower CO₂
  4. DHigher pH
8.Hard

Why does fetal haemoglobin have a higher affinity for oxygen than adult haemoglobin?

  1. AIt binds 2,3-BPG less strongly
  2. BIt contains more iron per haem
  3. CIt has five subunits instead of four
  4. DFetal blood has a higher pH

Answer key

  1. 1. A · Testosterone
  2. 2. B · Emulsifies them into small droplets
  3. 3. B · Progesterone
  4. 4. D · Fibrin
  5. 5. D · Oxytocin release during labour
  6. 6. D · 7.35 to 7.45
  7. 7. B · Higher temperature
  8. 8. A · It binds 2,3-BPG less strongly

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