Control of Infectious Diseases (OCR A-Level Biology A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
When did polio last occur naturally in the UK?
When did polio last occur naturally in the UK?
1984
What vaccination coverage do programmes aim for to establish effective herd immunity?
What vaccination coverage do programmes aim for to establish effective herd immunity?
Close to 100%
Why is developing a malaria vaccine particularly challenging?
Why is developing a malaria vaccine particularly challenging?
Plasmodium stays inside host cells
What is antigenic drift in influenza viruses?
What is antigenic drift in influenza viruses?
Small modifications in antigen structure
Which bacterial enzyme does penicillin inhibit?
Which bacterial enzyme does penicillin inhibit?
Transpeptidase
How many descendants can a single resistant bacterium produce within 24 hours?
How many descendants can a single resistant bacterium produce within 24 hours?
10,000 million
What caused MRSA and C. difficile infections to decrease between 2005 and 2011?
What caused MRSA and C. difficile infections to decrease between 2005 and 2011?
Enhanced hygiene practices
At what frequency do random DNA mutations occur in TB bacteria?
At what frequency do random DNA mutations occur in TB bacteria?
1 in 1,000
What percentage of patients do the four front-line TB drugs cure when used together?
What percentage of patients do the four front-line TB drugs cure when used together?
95%
When was the last new antibiotic class discovered?
When was the last new antibiotic class discovered?
1987