Pupil sheet · Antibiotics
Antibiotics — return questions
Name ______________________ Date ____________
Use one to two weeks after the lessons. Keep the notes and the lesson closed.
1. describe
Describe what is meant by a drug.
2. calculate
A ruler is laid through the centre of a disc on a lawn of bacteria. The edges of the clear zone meet the ruler at 22 mm and 41 mm. Calculate the diameter of the zone.
Diameter of the zone: ______________ unit ________
3. state
State why an antibiotic does not cure a cold.
4. identify
Bacteria from a wound are found to be resistant to antibiotic K. Which statement is correct?
Circle one answer.
- K will start to work on these bacteria once they have stopped growing.
- K will not kill these bacteria or stop them growing, so it will not treat this infection.
- The patient has now become resistant to every antibiotic a doctor could give.
- Every other kind of bacterium in the patient's body is now resistant to K as well.
5. explain
Supplement. Explain why using antibiotics only when they are essential limits the development of resistant bacteria.