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 is mainly produced by the testes?

  1. AOxytocin
  2. BProlactin
  3. CTestosterone
  4. DProgesterone
2.Easy

Which enzyme in saliva starts the digestion of starch?

  1. ASalivary amylase
  2. BTrypsin
  3. CPepsin
  4. DLipase
3.Easy

Which hormone, made mainly by the kidneys, stimulates red blood cell production?

  1. AThrombopoietin
  2. BErythropoietin
  3. CAldosterone
  4. DRenin
4.Medium

Which hormone is released by the adrenal cortex in response to ACTH?

  1. AAldosterone, as the main response
  2. BThyroxine
  3. CCortisol
  4. DAdrenaline
5.Medium

What is anatomical dead space?

  1. AThe volume of the conducting airways where no gas exchange happens
  2. BThe space between the two pleural layers
  3. CThe air that stays in the lungs after full exhalation (residual volume)
  4. DAlveoli that have collapsed completely
6.Medium

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

  1. AStretch receptors in the lungs
  2. BCentral chemoreceptors in the medulla
  3. CBaroreceptors in the carotid sinus
  4. DPeripheral chemoreceptors in the carotid and aortic bodies
7.Hard

Which combination of signs is expected in a patient in early hypovolaemic shock after major bleeding?

  1. ATachycardia, cool pale skin and reduced urine output
  2. BBradycardia, cool pale skin and high urine output
  3. CBradycardia, warm flushed skin and high urine output
  4. DTachycardia, warm flushed skin and high urine output
8.Hard

A patient's arterial blood gas shows pH 7.30, PaCO₂ 7.8 kPa (59 mmHg) and normal bicarbonate. What is the most likely disturbance?

  1. AAcute respiratory acidosis
  2. BRespiratory alkalosis
  3. CMetabolic acidosis
  4. DCompensated metabolic alkalosis

Answer key

  1. 1. C · Testosterone
  2. 2. A · Salivary amylase
  3. 3. B · Erythropoietin
  4. 4. C · Cortisol
  5. 5. A · The volume of the conducting airways where no gas exchange happens
  6. 6. D · Peripheral chemoreceptors in the carotid and aortic bodies
  7. 7. A · Tachycardia, cool pale skin and reduced urine output
  8. 8. A · Acute respiratory acidosis

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