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

What is tidal volume?

  1. AThe volume of air moved in or out in one normal breath
  2. BThe maximum volume of air that can be breathed out after a full breath in
  3. CThe total volume of air in the lungs
  4. DThe air left in the lungs after a full exhalation
2.Easy

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

  1. AThrombopoietin
  2. BErythropoietin
  3. CRenin
  4. DAldosterone
3.Easy

Which gland is often called the "master gland" because it controls many other endocrine glands?

  1. APineal gland
  2. BAdrenal gland
  3. CThyroid gland
  4. DPituitary gland
4.Medium

Which cells in the stomach secrete hydrochloric acid?

  1. AChief cells
  2. BGoblet cells
  3. CParietal cells
  4. DG cells
5.Medium

Which hormone is released by the adrenal cortex in response to ACTH?

  1. ACortisol
  2. BAldosterone, as the main response
  3. CThyroxine
  4. DAdrenaline
6.Medium

What is anatomical dead space?

  1. AThe space between the two pleural layers
  2. BThe volume of the conducting airways where no gas exchange happens
  3. CAlveoli that have collapsed completely
  4. DThe air that stays in the lungs after full exhalation (residual volume)
7.Hard

Why does breathing 100% oxygen correct hypoxaemia from a true right-to-left shunt only poorly?

  1. APure oxygen damages haemoglobin
  2. BThe shunted blood never comes into contact with alveolar gas
  3. CThe extra oxygen is all exhaled as CO₂
  4. DShunted blood is already fully saturated
8.Hard

In Graves' disease, what thyroid function results are expected and why?

  1. ALow T4 and high TSH, because antibodies destroy the gland
  2. BHigh T4 and low TSH, because antibodies stimulate the TSH receptor
  3. CLow T4 and low TSH, because the hypothalamus fails
  4. DHigh T4 and high TSH, because the anterior pituitary gland is overactive

Answer key

  1. 1. A · The volume of air moved in or out in one normal breath
  2. 2. B · Erythropoietin
  3. 3. D · Pituitary gland
  4. 4. C · Parietal cells
  5. 5. A · Cortisol
  6. 6. B · The volume of the conducting airways where no gas exchange happens
  7. 7. B · The shunted blood never comes into contact with alveolar gas
  8. 8. B · High T4 and low TSH, because antibodies stimulate the TSH receptor

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