Chapter 6 - Practice questions Flashcards
See question 1.1
practice questions PAGE 99 TEXT
- amount /concentration of antibiotic
- size of discs
- (incubation) temperature
- incubated for same time/ 3 days
- type of agar
See question 1.2
practice questions PAGE 99 TEXT
d
LOOK AT QUESTION 2 TEXT PAGE 99
2.1 and 2.2
- 1 5 years
2. 2 lab tests on cells / tissues / animals and clinical trials in humans
See question 1.3
practice questions PAGE 99 TEXT
c
See question 1.4
practice questions PAGE 99 TEXT
b both had a large clear area around the disc or killed a lot of both bacteria
Bacteria that cannot be killed by antibiotics are ….
immune OR powerful OR resistant (pick the best word)
resistant
Why is only one healthy volunteers and only low doses are used at the phase 1 stage of clinical drug testing?
(healthy volunteers)
too great a risk for ill person / patient
patient might be taking another drug
side effects easier to see
(low dose)
to reduce any risk
to look for side effects
What is a blind trial and why is it a good practice?
placebo and drug tested neither patients nor doctors know (who has taken placebo or drug) (so) avoids bias (so) can tell if drug works rather than placebo effect
Whooping cough is a highly infectious disease that can have severe complications.
Why are babies under 3 months at the greatest risk of developing complications from whooping cough. Why?
babies under 3 months old have not yet developed a strong immune system
Whooping cough is a highly infectious disease that can have severe complications.
Suggest one reason why there was a sudden increase in the number of cases of whooping cough in 2012
uptake of vaccination had decreased below the level of
herd immunity
Whooping cough is a highly infectious disease that can have severe complications.
Why does vaccinating pregnant women may reduce the incidence of whooping cough in babies
the antibodies pregnant women develop following vaccination would be transferred to the baby
in the womb and if they breastfeed