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 hormone lowers blood glucose?

  1. AInsulin
  2. BGlucagon
  3. CCortisol
  4. DAdrenaline
2.Easy

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

  1. APineal gland
  2. BThyroid gland
  3. CPituitary gland
  4. DAdrenal gland
3.Easy

Which hormones are the main regulators of the body's basal metabolic rate?

  1. AThyroid hormones (T3 and T4)
  2. BInsulin and glucagon
  3. CMelatonin and serotonin
  4. DOestrogen and progesterone (ovarian steroids)
4.Medium

Which hormonal event triggers ovulation?

  1. AA rise in progesterone from the corpus luteum
  2. BA surge of luteinising hormone (LH)
  3. CA surge of prolactin
  4. DA fall in oestrogen
5.Medium

What is the main effect of vagus nerve stimulation on the heart?

  1. AIt increases the heart rate
  2. BIt constricts the coronary arteries
  3. CIt slows the heart rate
  4. DIt increases ventricular contractility strongly
6.Medium

Which cells in the stomach secrete hydrochloric acid?

  1. AChief cells
  2. BGoblet cells
  3. CG cells
  4. DParietal cells
7.Hard

Why does a person with a high spinal cord injury above T1 risk low blood pressure?

  1. AThe phrenic nerve can no longer control the tone of the arteries
  2. BRenin release from the kidney stops completely
  3. CThe vagus nerve is cut, so the heart rate rises
  4. DThe sympathetic outflow to the vessels and heart is cut off
8.Hard

Hodgkin and Huxley's classic studies of the ionic basis of the action potential used which preparation?

  1. ACultured human cortical neurons
  2. BThe cat spinal cord
  3. CThe squid giant axon
  4. DThe frog sciatic nerve–muscle preparation

Answer key

  1. 1. A · Insulin
  2. 2. C · Pituitary gland
  3. 3. A · Thyroid hormones (T3 and T4)
  4. 4. B · A surge of luteinising hormone (LH)
  5. 5. C · It slows the heart rate
  6. 6. D · Parietal cells
  7. 7. D · The sympathetic outflow to the vessels and heart is cut off
  8. 8. C · The squid giant axon

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