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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1.Easy

What is stroke volume?

  1. AThe volume of blood left in a ventricle after contraction
  2. BThe volume of blood ejected by a ventricle in one beat
  3. CThe volume of blood in a ventricle at the end of filling
  4. DThe volume of blood pumped by the heart per minute
2.Easy

What is the normal resting heart rate range for a healthy adult?

  1. A40 to 60 beats per minute
  2. B20 to 40 beats per minute
  3. C60 to 100 beats per minute
  4. D100 to 140 beats per minute
3.Easy

Which pituitary hormone stimulates the thyroid gland?

  1. AGrowth hormone (GH)
  2. BThyroid-stimulating hormone (TSH)
  3. CAdrenocorticotropic hormone (ACTH)
  4. DLuteinising hormone (LH)
4.Medium

Which cells in the stomach secrete hydrochloric acid?

  1. AParietal cells
  2. BG cells
  3. CChief cells
  4. DGoblet cells
5.Medium

In which form is most carbon dioxide carried in the blood?

  1. ADissolved as CO₂ gas
  2. BAs bicarbonate ions in plasma
  3. CBound to the haem iron
  4. DAs carbonic acid in platelets
6.Medium

What is the normal pH range of arterial blood?

  1. A6.80 to 7.00
  2. B7.35 to 7.45
  3. C7.00 to 7.20
  4. D7.50 to 7.65
7.Hard

In the renin–angiotensin–aldosterone system, where is angiotensin I mainly converted to angiotensin II?

  1. AIn the kidneys' juxtaglomerular cells
  2. BIn the lungs
  3. CIn the adrenal cortex
  4. DIn the liver
8.Hard

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

  1. ARespiratory alkalosis
  2. BMetabolic alkalosis
  3. CRespiratory acidosis
  4. DMetabolic acidosis

Answer key

  1. 1. B · The volume of blood ejected by a ventricle in one beat
  2. 2. C · 60 to 100 beats per minute
  3. 3. B · Thyroid-stimulating hormone (TSH)
  4. 4. A · Parietal cells
  5. 5. B · As bicarbonate ions in plasma
  6. 6. B · 7.35 to 7.45
  7. 7. B · In the lungs
  8. 8. B · Metabolic alkalosis

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