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. BProlactin
  3. CLuteinising hormone
  4. DFollicle-stimulating hormone
2.Easy

Which hormone is mainly produced by the testes?

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

Which neurotransmitter is released at the neuromuscular junction of skeletal muscle?

  1. ADopamine
  2. BAcetylcholine
  3. CSerotonin
  4. DNoradrenaline
4.Medium

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

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

In skeletal muscle, where does most of the calcium for contraction come from?

  1. AThe sarcoplasmic reticulum
  2. BThe extracellular fluid
  3. CThe nucleus
  4. DThe mitochondria
6.Medium

What does the QRS complex on an ECG represent?

  1. AVentricular repolarisation
  2. BVentricular depolarisation
  3. CAtrial depolarisation
  4. DAtrial repolarisation
7.Hard

Spirometry shows reduced FEV1 and reduced FVC, with a normal or high FEV1/FVC ratio. What pattern is this?

  1. AA restrictive pattern, as in pulmonary fibrosis
  2. BAn obstructive pattern, as in emphysema or chronic bronchitis
  3. CAn obstructive pattern, as in asthma
  4. DA normal result in an older adult
8.Hard

In a patient with primary hypothyroidism, you would expect:

  1. AHigh TSH and low free T4
  2. BLow TSH and low free T4
  3. CHigh TSH and high free T4
  4. DLow TSH and high free T4

Answer key

  1. 1. A · Progesterone
  2. 2. C · Testosterone
  3. 3. B · Acetylcholine
  4. 4. C · A rise in arterial CO₂
  5. 5. A · The sarcoplasmic reticulum
  6. 6. B · Ventricular depolarisation
  7. 7. A · A restrictive pattern, as in pulmonary fibrosis
  8. 8. A · High TSH and low free T4

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