Microbiology worksheet with answers

Free printable Microbiology 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

What is the most effective single measure to prevent the spread of infection in hospitals?

  1. AKeeping windows closed
  2. BGiving every patient antibiotics
  3. CWearing a face mask at all times
  4. DHand hygiene
2.Easy

What is an antigen?

  1. AA drug that blocks bacterial growth
  2. BA molecule that the immune system recognises
  3. CA protein made by plasma cells to fight infection
  4. DA type of white blood cell
3.Easy

Who discovered penicillin in 1928?

  1. AAlexander Fleming
  2. BRobert Koch
  3. CJoseph Lister
  4. DLouis Pasteur
4.Medium

Which white blood cells are the main phagocytes in an acute bacterial infection and the main component of pus?

  1. ANeutrophils
  2. BB lymphocytes
  3. CBasophils
  4. DEosinophils
5.Medium

Cholera causes profuse "rice-water" diarrhoea. What is the most important treatment?

  1. AAntifungal drugs
  2. BReplacing fluid and salts by oral or intravenous rehydration
  3. CAntiviral drugs
  4. DStopping all oral fluid intake so that the bowel can rest and recover
6.Medium

Toxoplasma gondii is a risk in pregnancy. Which advice reduces exposure?

  1. AAvoid cleaning cat litter and avoid undercooked meat
  2. BAvoid contact with dogs
  3. CAvoid swimming pools and all other public bathing areas
  4. DAvoid all fruit and vegetables
7.Hard

Which hepatitis viruses are mainly spread through contaminated food and water?

  1. AHepatitis A and E
  2. BHepatitis C and E
  3. CHepatitis B and D
  4. DHepatitis B and C
8.Hard

A healthcare worker's blood test is positive for anti-HBs (hepatitis B surface antibody) and negative for HBsAg and anti-HBc. What does this most likely mean?

  1. AChronic hepatitis B infection
  2. BPast natural infection that has cleared
  3. CImmunity from hepatitis B vaccination
  4. DCurrent acute hepatitis B infection

Answer key

  1. 1. D · Hand hygiene
  2. 2. B · A molecule that the immune system recognises
  3. 3. A · Alexander Fleming
  4. 4. A · Neutrophils
  5. 5. B · Replacing fluid and salts by oral or intravenous rehydration
  6. 6. A · Avoid cleaning cat litter and avoid undercooked meat
  7. 7. A · Hepatitis A and E
  8. 8. C · Immunity from hepatitis B vaccination

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