What is the difference between an antibiotic and an antiseptic?
Antiseptics are used inside the body, but antibiotics are used outside the body
Antiseptics are used outside the body, but antibiotics are used inside the body
Antibiotics are produced by white blood cells in the body and antiseptics are man-made chemicals
Which of these cells produces antibodies?
Platelet
Lymphocyte
Phagocyte
Why is the petri dish autoclaved (heated to a high temperature) before the agar jelly is poured into it?
To make sure it has all of the nutrients in it for the bacteria
To kill off the microorganisms that need to be grown on the agar jelly
To kill off any other microorganisms that could contaminate the bacteria that needs to be grown
Which of these is a non-specific defence against pathogens?
Skin
Antibodies
Lymphocytes
Which acid is found in the stomach and helps to kill pathogens that have been ingested?
Sulfuric acid
Hydrochloric acid
Nitric acid
Which of these cells engulfs bacteria?
Red blood cells
Phagocytes
What is a vaccine made from?
An active form of the pathogen
An antibody against the pathogen
A dead or inactive form of the pathogen
Which of these types of drugs could you use to treat a person suffering from a measles infection?
Antibiotic
Antiseptic
Antiviral
Look at the diagram and decide which antibiotic is the most effective.
G
D
E
What is a placebo?
A drug that can cause side effects
An active version of a drug
An inactive version of a drug