Test
Diet, Exercise, and Infectious diseases
Preguntas del test (15)
1Your metabolic rate is the rate of which chemical reactions occur in the body?
- AVerdadero
- BFalso
2Your metabolic rate varies with ...
- AThe amount of exercise you do
- BThe proportion of muscle to fat in your body
- CWhat you eat for breakfast
- DGenetic factors
3which type of cholesterol is bad for you?
- ALDL - low-density lipoprotein
- BHDL - high-density lipoprotein
4Fill the gap ...... Compared to the mass of carbohydrates, the body needs (fill here) mass of vitamins and mineral ions.
- AA smaller
- BA greater
- CThe same
5What is a pathogen?
- AA disease causing micro-organism
- BA micro-organism
- CInfectious Bacteria
6How does infectious bacteria make someone ill? [2 marks]
- AThe bacteria releases toxins
- Bthey will multiply through out the body
- Cthey will rapidly multiply through out the body
- DThe bacteria injects posion into the cells
7Do antibiotics work on viruses?
- AVerdadero
- BFalso
8What does MRSA stand for?
- AMethycillin Resistant Staphylococcus Aureus
- BMethycillin Resistant staphylococcus Acuteus
9What do Painkillers do?
- AThey makes us feel better while our immune system or antibiotics kill the pathogens.
- BThey kill the viruses making us ill by surrounding them with walls of Fat.
10Fill the gap ... The substances made by white blood cells to kill pathogens are called [fill here].
- AAntibodies
- BAntitoxins
- CAntibiotics
11name 4 ways which the body prevents pathogens from entering the body.
- ASilia
- BSkin
- Ceye lashes
- DTeeth
- EEar wax
- FUrine
12Can viruses be killed by antibiotics? Why?
- ANo, because viruses need to be in inside the human cells to survive, so are inaccessible by the antibiotics
- BYes, because they live on the outside of the throat and can be easily killed by antibiotics
- CNo, because they mutate all the time and the antibiotics will not work on the newly mutated viruses
13Do Phagocytes produce antibodies?
- AVerdadero
- BFalso
14What cells help fight pathogens
- AWhite blood cells
- BRed blood cells
15A person can be immunised against a disease by injecting them with an inactive form of a pathogen. Explain how this works?
Choose the best answer.- AWhite blood cells produce Antibodies which attack the inactive pathogen. If a active form of that pathogen enters the body the antibodies will remember and re attack quicker.
- BOur body fights the pathogen and remembers it if it comes back in.
Información
- Descripción
- The first part of the GCSE B1 science
- Autor
- kierandavis
- Idioma
- English
- Visitas
- 99
- Etiquetas
- Valoración
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