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

  1. APineal gland
  2. BPituitary gland
  3. CAdrenal gland
  4. DThyroid gland
2.Easy

Which pituitary hormone stimulates the thyroid gland?

  1. ALuteinising hormone (LH)
  2. BGrowth hormone (GH)
  3. CAdrenocorticotropic hormone (ACTH)
  4. DThyroid-stimulating hormone (TSH)
3.Easy

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

  1. A40 to 60 beats per minute
  2. B100 to 140 beats per minute
  3. C20 to 40 beats per minute
  4. D60 to 100 beats per minute
4.Medium

What is the main stimulus for breathing in a healthy person?

  1. AA rise in arterial CO₂
  2. BA fall in arterial O₂
  3. CA fall in blood pH caused by lactate only
  4. DA rise in blood glucose
5.Medium

Which protein forms the mesh that stabilises a blood clot?

  1. AFibrin
  2. BThrombin
  3. CCollagen
  4. DAlbumin
6.Medium

Which hormone increases water reabsorption in the collecting ducts of the kidney?

  1. AAntidiuretic hormone (ADH)
  2. BAtrial natriuretic peptide
  3. CParathyroid hormone
  4. DAldosterone
7.Hard

Why does left ventricular failure cause pulmonary oedema?

  1. ARaised left atrial pressure increases pulmonary capillary hydrostatic pressure
  2. BThe bronchial arteries become blocked
  3. CThe right ventricle pumps less blood into the lungs
  4. DPlasma oncotic pressure in the lungs rises sharply
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. AMetabolic acidosis
  2. BAcute respiratory acidosis
  3. CRespiratory alkalosis
  4. DCompensated metabolic alkalosis

Answer key

  1. 1. B · Pituitary gland
  2. 2. D · Thyroid-stimulating hormone (TSH)
  3. 3. D · 60 to 100 beats per minute
  4. 4. A · A rise in arterial CO₂
  5. 5. A · Fibrin
  6. 6. A · Antidiuretic hormone (ADH)
  7. 7. A · Raised left atrial pressure increases pulmonary capillary hydrostatic pressure
  8. 8. B · Acute respiratory acidosis

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