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. AGlomerulus
  2. BCollecting duct
  3. CRenal pyramid
  4. DNephron
2.Easy

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

  1. AThyroid gland
  2. BPituitary gland
  3. CPineal gland
  4. DAdrenal gland
3.Easy

Which part of the nervous system is responsible for the "fight or flight" response?

  1. AParasympathetic nervous system
  2. BSympathetic nervous system
  3. CSomatic nervous system
  4. DEnteric nervous system
4.Medium

What does the QRS complex on an ECG represent?

  1. AVentricular repolarisation
  2. BAtrial repolarisation
  3. CVentricular depolarisation
  4. DAtrial depolarisation
5.Medium

The hormone secretin is released when acid enters the duodenum. What is its main effect?

  1. AContraction of the gallbladder
  2. BInsulin release from the endocrine pancreas
  3. CAcid secretion from the stomach
  4. DBicarbonate secretion from the pancreas
6.Medium

Which protein forms the mesh that stabilises a blood clot?

  1. AThrombin
  2. BCollagen
  3. CAlbumin
  4. DFibrin
7.Hard

After several days of persistent vomiting of stomach contents, which acid–base disturbance is most likely?

  1. ARespiratory acidosis
  2. BMetabolic alkalosis
  3. CMetabolic acidosis
  4. DRespiratory alkalosis
8.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. BCranial diabetes insipidus
  3. CAddison's disease with high aldosterone
  4. DSyndrome of inappropriate ADH secretion

Answer key

  1. 1. D · Nephron
  2. 2. B · Pituitary gland
  3. 3. B · Sympathetic nervous system
  4. 4. C · Ventricular depolarisation
  5. 5. D · Bicarbonate secretion from the pancreas
  6. 6. D · Fibrin
  7. 7. B · Metabolic alkalosis
  8. 8. D · Syndrome of inappropriate ADH secretion

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