Diet, Exercise, and Infectious diseases

Descrição

The first part of the GCSE B1 science
kierandavis
Quiz por kierandavis, atualizado more than 1 year ago
kierandavis
Criado por kierandavis quase 10 anos atrás
46
3

Resumo de Recurso

Questão 1

Questão
Your metabolic rate is the rate of which chemical reactions occur in the body?
Responda
  • True
  • False

Questão 2

Questão
Your metabolic rate varies with ...
Responda
  • The amount of exercise you do
  • The proportion of muscle to fat in your body
  • What you eat for breakfast
  • Genetic factors

Questão 3

Questão
which type of cholesterol is bad for you?
Responda
  • LDL - low-density lipoprotein
  • HDL - high-density lipoprotein

Questão 4

Questão
Fill the gap ...... Compared to the mass of carbohydrates, the body needs (fill here) mass of vitamins and mineral ions.
Responda
  • A smaller
  • A greater
  • The same

Questão 5

Questão
What is a pathogen?
Responda
  • A disease causing micro-organism
  • A micro-organism
  • Infectious Bacteria

Questão 6

Questão
How does infectious bacteria make someone ill? [2 marks]
Responda
  • The bacteria releases toxins
  • they will multiply through out the body
  • they will rapidly multiply through out the body
  • The bacteria injects posion into the cells

Questão 7

Questão
Do antibiotics work on viruses?
Responda
  • True
  • False

Questão 8

Questão
What does MRSA stand for?
Responda
  • Methycillin Resistant Staphylococcus Aureus
  • Methycillin Resistant staphylococcus Acuteus

Questão 9

Questão
What do Painkillers do?
Responda
  • They makes us feel better while our immune system or antibiotics kill the pathogens.
  • They kill the viruses making us ill by surrounding them with walls of Fat.

Questão 10

Questão
Fill the gap ... The substances made by white blood cells to kill pathogens are called [fill here].
Responda
  • Antibodies
  • Antitoxins
  • Antibiotics

Questão 11

Questão
name 4 ways which the body prevents pathogens from entering the body.
Responda
  • Silia
  • Skin
  • eye lashes
  • Teeth
  • Ear wax
  • Urine

Questão 12

Questão
Can viruses be killed by antibiotics? Why?
Responda
  • No, because viruses need to be in inside the human cells to survive, so are inaccessible by the antibiotics
  • Yes, because they live on the outside of the throat and can be easily killed by antibiotics
  • No, because they mutate all the time and the antibiotics will not work on the newly mutated viruses

Questão 13

Questão
Do Phagocytes produce antibodies?
Responda
  • True
  • False

Questão 14

Questão
What cells help fight pathogens
Responda
  • White blood cells
  • Red blood cells

Questão 15

Questão
A 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.
Responda
  • White 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.
  • Our body fights the pathogen and remembers it if it comes back in.

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