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 main function of platelets?

  1. AProducing antibodies
  2. BBlood clotting
  3. CFighting infection
  4. DCarrying carbon dioxide
2.Easy

Which part of the brain regulates body temperature, hunger and thirst?

  1. AOccipital lobe
  2. BMedulla oblongata
  3. CHypothalamus
  4. DCerebellum
3.Easy

Which pituitary hormone stimulates the thyroid gland?

  1. AThyroid-stimulating hormone (TSH)
  2. BAdrenocorticotropic hormone (ACTH)
  3. CGrowth hormone (GH)
  4. DLuteinising hormone (LH)
4.Medium

How is the ejection fraction calculated?

  1. AStroke volume ÷ end-diastolic volume
  2. BEnd-diastolic volume ÷ end-systolic volume
  3. CCardiac output ÷ heart rate
  4. DEnd-systolic volume ÷ stroke volume
5.Medium

Which cells in the stomach secrete hydrochloric acid?

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

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

  1. AInsulin is needed for glucose reabsorption in the tubule
  2. BThe filtered load exceeds the tubular transport maximum
  3. CThe glomerulus stops filtering glucose
  4. DThe collecting duct actively secretes glucose
7.Hard

A patient with small-cell lung cancer has low plasma sodium and low plasma osmolality but inappropriately concentrated urine. What is the most likely explanation?

  1. APrimary hyperaldosteronism
  2. BAddison's disease with high aldosterone
  3. CCranial diabetes insipidus
  4. DSyndrome of inappropriate ADH secretion
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. B · Blood clotting
  2. 2. C · Hypothalamus
  3. 3. A · Thyroid-stimulating hormone (TSH)
  4. 4. A · Stroke volume ÷ end-diastolic volume
  5. 5. C · Parietal cells
  6. 6. B · The filtered load exceeds the tubular transport maximum
  7. 7. D · Syndrome of inappropriate ADH secretion
  8. 8. C · The squid giant axon

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