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 organ filters the blood to produce urine?

  1. AKidney
  2. BBladder
  3. CLiver
  4. DSpleen
2.Easy

Which organ makes most plasma proteins, such as albumin?

  1. ASpleen
  2. BBone marrow
  3. CLiver
  4. DKidney
3.Easy

What does bile do to fats in the small intestine?

  1. AAbsorbs them directly into the blood
  2. BBreaks them into amino acids
  3. CConverts them into glucose
  4. DEmulsifies them into small droplets
4.Medium

Which cells in the stomach secrete hydrochloric acid?

  1. AG cells
  2. BParietal cells
  3. CChief cells
  4. DGoblet cells
5.Medium

What causes the first heart sound (S1)?

  1. ABlood filling the atria
  2. BOpening of the aortic valve
  3. CClosure of the mitral and tricuspid valves
  4. DClosure of the aortic and pulmonary valves
6.Medium

What does the QRS complex on an ECG represent?

  1. AAtrial repolarisation
  2. BVentricular repolarisation
  3. CAtrial depolarisation
  4. DVentricular depolarisation
7.Hard

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

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

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

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

Answer key

  1. 1. A · Kidney
  2. 2. C · Liver
  3. 3. D · Emulsifies them into small droplets
  4. 4. B · Parietal cells
  5. 5. C · Closure of the mitral and tricuspid valves
  6. 6. D · Ventricular depolarisation
  7. 7. C · A restrictive pattern, as in pulmonary fibrosis
  8. 8. D · It binds 2,3-BPG less strongly

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