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

What is the functional unit of the kidney?

  1. ANephron
  2. BGlomerulus
  3. CRenal pyramid
  4. DCollecting duct
2.Easy

What is normal core body temperature in an adult, approximately?

  1. A38.5 °C
  2. B35 °C
  3. C36 °C
  4. D37 °C
3.Easy

Which hormone does the corpus luteum mainly secrete after ovulation?

  1. AProlactin
  2. BFollicle-stimulating hormone
  3. CLuteinising hormone
  4. DProgesterone
4.Medium

Which receptors respond mainly to a fall in arterial oxygen levels?

  1. AStretch receptors in the lungs
  2. BBaroreceptors in the carotid sinus
  3. CCentral chemoreceptors in the medulla
  4. DPeripheral chemoreceptors in the carotid and aortic bodies
5.Medium

Why does glucose appear in the urine in uncontrolled diabetes mellitus?

  1. AThe collecting duct actively secretes glucose
  2. BThe filtered load exceeds the tubular transport maximum
  3. CInsulin is needed for glucose reabsorption in the tubule
  4. DThe glomerulus stops filtering glucose
6.Medium

Which ABO blood group has both anti-A and anti-B antibodies in the plasma?

  1. AGroup A
  2. BGroup O
  3. CGroup B
  4. DGroup AB
7.Hard

In primary adrenal insufficiency (Addison's disease), which combination is expected?

  1. ALow sodium, low potassium and low ACTH
  2. BLow sodium, high potassium and high ACTH
  3. CHigh sodium, high potassium and high ACTH
  4. DHigh sodium, low potassium and low ACTH
8.Hard

A young woman has muscle weakness that gets worse with repeated use and improves with an acetylcholinesterase inhibitor. What is the most likely mechanism?

  1. ALoss of motor neurons in the spinal cord
  2. BDemyelination of central nervous system tracts
  3. CA defect in the dystrophin protein of muscle
  4. DAntibodies against acetylcholine receptors at the neuromuscular junction

Answer key

  1. 1. A · Nephron
  2. 2. D · 37 °C
  3. 3. D · Progesterone
  4. 4. D · Peripheral chemoreceptors in the carotid and aortic bodies
  5. 5. B · The filtered load exceeds the tubular transport maximum
  6. 6. B · Group O
  7. 7. B · Low sodium, high potassium and high ACTH
  8. 8. D · Antibodies against acetylcholine receptors at the neuromuscular junction

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