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.

New worksheetPractise online with hints

For teachers: free to print, copy and use in class. Every new worksheet has new values and its own answer key. A link to ExamProblems on your course page is appreciated.

Name: ____________________   Date: ____________

1.Easy

Which mineral is an essential part of haemoglobin?

  1. AIron
  2. BZinc
  3. CIodine
  4. DCalcium
2.Easy

What is the normal resting heart rate range for a healthy adult?

  1. A100 to 140 beats per minute
  2. B20 to 40 beats per minute
  3. C60 to 100 beats per minute
  4. D40 to 60 beats per minute
3.Easy

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

  1. AOxytocin
  2. BCortisol
  3. CAdrenaline
  4. DMelatonin
4.Medium

Which hormone increases water reabsorption in the collecting ducts of the kidney?

  1. AAntidiuretic hormone (ADH)
  2. BAtrial natriuretic peptide
  3. CParathyroid hormone
  4. DAldosterone
5.Medium

In skeletal muscle, where does most of the calcium for contraction come from?

  1. AThe extracellular fluid
  2. BThe mitochondria
  3. CThe sarcoplasmic reticulum
  4. DThe nucleus
6.Medium

Where is the heart's natural pacemaker?

  1. APurkinje fibres
  2. BSinoatrial node
  3. CAtrioventricular node
  4. DBundle of His
7.Hard

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

  1. ALower 2,3-BPG
  2. BLower CO₂
  3. CHigher pH
  4. DHigher temperature
8.Hard

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

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

Answer key

  1. 1. A · Iron
  2. 2. C · 60 to 100 beats per minute
  3. 3. D · Melatonin
  4. 4. A · Antidiuretic hormone (ADH)
  5. 5. C · The sarcoplasmic reticulum
  6. 6. B · Sinoatrial node
  7. 7. D · Higher temperature
  8. 8. A · A restrictive pattern, as in pulmonary fibrosis

Full step-by-step solutions: practise this topic on examproblems.com.