1 (a) Pathogens cause disease - Edexcel - GCSE Biology Combined Science - Question 1 - 2018 - Paper 1
Question 1
1 (a) Pathogens cause disease.
Draw one straight line from each type of pathogen to the disease that is caused by that pathogen.
| type of pathogen | disease |
| -... show full transcript
Worked Solution & Example Answer:1 (a) Pathogens cause disease - Edexcel - GCSE Biology Combined Science - Question 1 - 2018 - Paper 1
Step 1
Pathogen: fungus
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AIDS
Step 2
Pathogen: virus
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malaria
Step 3
Explain why the data suggests that Patient Z has a bacterial infection.
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Patient Z has the highest number of white blood cells compared to Patients X and Y. A high white blood cell count, specifically an increase in neutrophils, is typically associated with bacterial infections.
Step 4
State two safety precautions that need to be taken when handling blood samples.
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Wear gloves and goggles to prevent contamination or exposure.
Dispose of samples safely in accordance with biohazard protocols.
