WorksheetsB3 revision
Total questions: 40
Worksheet time: 22mins
Which micro organisms cause communicable diseases?
Pathogens
Pathogerms
Partitions
Which micro organisms cause communicable diseases?
Pathogens
Pathogerms
Partitions
_________ are diseases that can be transmitted from one person to another
Non communicable diseases
Communicable diseases
Goiter
What type of disease is tobacco mosaic?
Fungal
Viral
Bacterial
Deficiency
Why do plants infected with TMV have stunted growth?
TMV kills new cells
TMV causes water loss, causing the plant to shrink
The plant is unable to photosynthesise
Antibiotics can be used to treat what type of infection?
Fungal
Viral
Bacterial
Which of these are not at high risk of Malaria infection?
Teenagers
Non-immune migrants
Infants
Children under five
The cause of malaria in humans?
Low Blood cell count
Bad Food
A Parasite
Mosquitoes
If a disease is contagious it means
the disease CAN be passed from one person to the next
the disease CANNOT be passed from one person to the next
Why do doctors suggest that people get a flu vaccine each year?
Viruses replicate more rapidly over time.
Viruses can mutate from year to year.
Vaccines are absorbed by the body after a year.
Vaccines get stronger over time.
Why do doctors suggest that people get a flu vaccine each year?
Viruses replicate more rapidly over time.
Viruses can mutate from year to year.
Vaccines are absorbed by the body after a year.
Vaccines get stronger over time.
Malaria is a common disease in many countries. What type of pathogen is malaria?
a virus
a bacterium
a fungus
a protist
How can the rate of an infectious disease be drastically reduced?
by taking medication daily
by preventing transmission between people
by wearing clean clothing daily
by performing dental hygiene three times each day
A class of organisms that harm their host by producing toxins that interfere with normal body function.
liverwarts
Slime molds
Bacteria
Amoebas
Select the correct definition for antibiotics.
Chemicals which destroy bacteria.
Chemicals which destroy fungi.
Chemicals which destroy viruses.
Chemicals which destroy parasites.
Select the example of something which does not cause antibiotic resistance.
Not finishing a course of antibiotics.
Giving antibiotics to live stock (animals we eat).
Using antibiotics when we don't need them.
Finishing a course of antibiotics.
Write down the name of the scientist who discovered penicillin.
(a)
Write down the name of the scientist who discovered penicillin.
(a)
Paracetamol is an example of a painkiller
True
False
Penicillin is an example of a painkiller
True
False
What is Herd Immunity?
When a group of animals become immune to an illness
The number of people someone with an infection can possibly spread the illness to
Becoming immune to a vaccine and having it not work
When a large amount of people protect those who haven't gotten vaccinated
Vaccination provides immunity to specific diseases. Why are vaccines referred to as a form of artificial active immunity?
They are attenuated forms of the pathogen
They lead to the production of memory cells
They involve deliberate exposure to antigenic material to stimulate an immune response
The vaccines are produced through artificial means
Painkillers are drugs that relieve the (a) but do not kill the pathogen.
(a) are substances that slow down or stop the growth of bacteria
Is the following statement true or false?
Alexander Flemming discovered painkillers when he noticed that bacteria he had grown was killed by a mould.
True
False
Why can viruses not be treated by antibiotics?
They reproduce inside host cells
They are resistant to antibiotics
They make chemicals which destroy antibiotics
What things do new drugs need to be tested for before they can be prescribed to patients?
safety
effectiveness
dosage
taste
Select all the statements that are true for testing new drugs on testing on animals.
Tests for efficacy
Tests for possible side effects
All new drugs in the UK have to undergo this stage of clinical trials
Cosmetics can also be tested on animals
Select all the statements that are true for testing new drugs on humans in clinical trials
Tests for efficacy
Tests for possible side effects
Dosage is decided at this stage
Includes only people that have the illness
Place the following stages of clinical trials in the correct order.
(1 tests on human volunteers) (2 tests on human cells) (3 tests on animals)
1, 2, 3
3, 2, 1
2, 1, 3
2, 3, 1
What are Monoclonal antibodies ?
An antibody produced by the body.
An antibody produced by a single clone of cells or cell line and consisting of identical antibody molecules.
An antibody produced by a single clone of cells or cell line and consisting of many different antibody molecules.
An antibody produced in a lab
A (a) is an agent that causes disease – either a microorganism (bacteria, protist, fungi or parasite), virus
The external defense systems, includes your skin, tears, mucus, saliva,
stomach acid, cilia (small hairs) and helpful bacteria.
True
False
Typically, antibodies are located on the outer surfaces of bacteria, viruses, or parasites.
True
False
The white blood cells help in building the immunity to a disease
true
false
It is believed that having a disease gives people ___________ from the disease
Immunity
Vaccinaton
Innocence
