B5 Communicable diseases

Which of the following can be pathogens?

• Bacteria only

• Viruses only

• Bacteria and viruses

• Neither bacteria or viruses

What is most commonly used to observe bacteria?

• Magnifying glass

• Microscope

• Stethoscope

• Magnifying glass

At what temperature are cultures grown in the school laboratory?

• 25 degrees C

• 30 degrees C

• 35 degrees C

• 40 degrees C

Why are cultures not incubated at body tempeature in the school laboratory?

• It is too hot for most microbes to grow

• It could lead to the growth of harmful microbes

• It is expensive to do

• It requires specialist equipment

Who first realised that hand washing reduced disease transmission?

• Ignaz Semmelweis

• Albert Einstein

• Doctor Foster

• Doctor No

What is a pathogen?

• A small group of viruses
• The name given to colds and flu's
• A microorganism that causes disease
• A microbes that cause infectious diseases 

Bacteria ...

• are 10, 000 times smaller than viruses
• none of these options
• multiply every 20 minutes
• are only living once they enter a host cell

What is a protist?

• organisms that create their own energy from sunlight
• large single celled oranism
• multicellular organism that cause infection

Some pathogens are killed by...

• eating them
• stomache acid
• stomach acid
• cake

Pathogens enter your body through

• droplet infection
• direct contact
• on food or through cuts 
• all of the above