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 cells secrete antibodies?

  1. AMacrophages
  2. BPlasma cells
  3. CHelper T cells
  4. DNeutrophils
2.Easy

What does bile do to fats in the small intestine?

  1. AEmulsifies them into small droplets
  2. BBreaks them into amino acids
  3. CAbsorbs them directly into the blood
  4. DConverts them into glucose
3.Easy

Which hormone, released by the stomach lining, stimulates gastric acid secretion?

  1. AInsulin
  2. BGlucagon
  3. CGastrin
  4. DSecretin
4.Medium

Mean arterial pressure is approximately equal to:

  1. ACardiac output ÷ heart rate
  2. BStroke volume × total peripheral vascular resistance
  3. CHeart rate × stroke volume
  4. DCardiac output × total peripheral resistance
5.Medium

What is the main stimulus for breathing in a healthy person?

  1. AA rise in arterial CO₂
  2. BA rise in blood glucose
  3. CA fall in arterial O₂
  4. DA fall in blood pH caused by lactate only
6.Medium

Low plasma albumin, as in severe liver disease, causes oedema mainly because:

  1. APlasma oncotic pressure falls
  2. BLymphatic drainage increases
  3. CCapillary hydrostatic pressure falls
  4. DThe capillaries become impermeable
7.Hard

A patient has taken high-dose prednisolone for a year. What is the state of the hypothalamic–pituitary–adrenal axis?

  1. AACTH is suppressed and the adrenal cortex has atrophied
  2. BThe adrenal medulla has stopped making adrenaline and noradrenaline
  3. CACTH is high and the adrenal cortex is enlarged
  4. DACTH is normal and cortisol production is increased
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. BAn obstructive pattern, as in emphysema or chronic bronchitis
  3. CA normal result in an older adult
  4. DAn obstructive pattern, as in asthma

Answer key

  1. 1. B · Plasma cells
  2. 2. A · Emulsifies them into small droplets
  3. 3. C · Gastrin
  4. 4. D · Cardiac output × total peripheral resistance
  5. 5. A · A rise in arterial CO₂
  6. 6. A · Plasma oncotic pressure falls
  7. 7. A · ACTH is suppressed and the adrenal cortex has atrophied
  8. 8. A · A restrictive pattern, as in pulmonary fibrosis

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