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 does the corpus luteum mainly secrete after ovulation?

  1. AProgesterone
  2. BLuteinising hormone
  3. CProlactin
  4. DFollicle-stimulating hormone
2.Easy

Which mineral is an essential part of haemoglobin?

  1. AZinc
  2. BIron
  3. CIodine
  4. DCalcium
3.Easy

In which direction does oxygen move during gas exchange in the lungs?

  1. AFrom the blood into the bronchi
  2. BFrom the blood into the alveoli
  3. CFrom the alveoli into the blood
  4. DFrom the pleura into the blood
4.Medium

What is the main function of pulmonary surfactant?

  1. ATo trap dust in the bronchi
  2. BTo carry oxygen across the alveolar wall
  3. CTo reduce surface tension in the alveoli
  4. DTo kill bacteria in the airways
5.Medium

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

  1. AContraction of the gallbladder
  2. BAcid secretion from the stomach
  3. CBicarbonate secretion from the pancreas
  4. DInsulin release from the endocrine pancreas
6.Medium

Besides lowering glucose, insulin moves which ion into cells, an effect used to treat hyperkalaemia?

  1. AChloride
  2. BCalcium
  3. CPotassium
  4. DSodium
7.Hard

A patient with diabetic ketoacidosis breathes deeply and rapidly. What pattern is expected on the blood gas?

  1. ALow pH, low bicarbonate and low PaCO₂
  2. BLow pH, normal bicarbonate and high PaCO₂
  3. CLow pH, high bicarbonate and high PaCO₂
  4. DHigh pH, low bicarbonate and low PaCO₂
8.Hard

Why does ketoacidosis typically develop in untreated type 1 diabetes but rarely in type 2?

  1. AEven low insulin levels suppress lipolysis and ketogenesis
  2. BType 2 patients cannot make ketones at all
  3. CType 1 patients have more glucagon receptors
  4. DKetones are only made in children

Answer key

  1. 1. A · Progesterone
  2. 2. B · Iron
  3. 3. C · From the alveoli into the blood
  4. 4. C · To reduce surface tension in the alveoli
  5. 5. C · Bicarbonate secretion from the pancreas
  6. 6. C · Potassium
  7. 7. A · Low pH, low bicarbonate and low PaCO₂
  8. 8. A · Even low insulin levels suppress lipolysis and ketogenesis

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