Exam questions- Diet and Excercise

Question 1

What was the effect on the death rate om war 1 of doctors washing their hands before delivering babies?

Answer 1

The death rate decreased drastically. This is because the bacteria was killed so less infections were passed on.

Question 2

The substance made by white blood cells to counteract poison produced by pathogens are called ….?

Answer 2

antibodies

Question 3

Medicine which kill bacteria are called…..?

Answer 3

Antibiotics

Question 4

The MMR vaccine protects people against three diseases. Name two

Answer 4

Measles

Mumps

Question 5

Name one type of medicine which kills bacteria in the body

Answer 5

Penicillin

Question 6

Name one type of medicine which helps to relive the symptoms of infectious diseases

Answer 6

Painkillers

Question 7

What is the maximum temperature the incubator should be set at in school?

Answer 7

25 degrees Celsius

Question 8

The incubator should not be set at a high temperature because the higher the temperature might help the growth of….?

Answer 8

pathogens

Question 9

Antibiotics cannot be used to treat diseases caused by viruses. why?

Answer 9

viruses live inside cells (?)

Question 10

Name two types of microbes which cause diseases in humans

Answer 10

viruses

fungi

Question 11

Why do we feel ill when we have an infectious disease?

Answer 11

People tend to feel ill/sick when they have an infectious disease because their body is fighting off that infectious disease. since the body if fighting of that disease it can have a toll on that individuals physical health making them tired.

Question 12

Give two ways in which white blood cells protect us against diseases

Answer 12

Engulf- engulfs the pathogens

Anti toxins- Sends out things to the surrounding pathogens, fights it and eventually destroy it.

Question 13

Explain how immunisation protects us against a named disease.

Answer 13

flu. An immunization is usually a dead form of the disease you are trying be protected against. Your body sees it as the infection and tries to fight it off, building antibodies in your blood. Then, if you happen to get the disease in nature, your body already has the antibodies prepared to fight off the disease.

Question 14

Organisms that cause diseases are called

Answer 14

pathogens

Question 15

why will antibiotics not get rid of the flu ?

Answer 15

flu is a virus while antibiotics only have effect on bacterial pathogens

Question 16

over use of antibiotics might speed up the development of ….. strains of ….?

Answer 16

resistant

bacteria

Question 17

Explain how diseases caused by bacteria are usually treated by doctors.

Answer 17

…..?

Question 18

Give two possible health effects of the child eating biscuits everyday

Answer 18

Getting obese

increasing risk of future diabetes

Question 19

Explain how white blood cells protects us from diseases

Answer 19

…….?

Question 20

There are areas in the agar jelly where no bacteria are growing. why?

Answer 20

The five disinfectants don’t allow bacteria to grow near them, as they disinfect any bacteria near them.

Question 21

Explain how a population of antibiotics–bacteria might develop from non-resistant bacteria.

Answer 21

idea of mutation or variation

(resistant cells) survive antibiotic

(resistant cells) breed

Question 22

give two reasons why it is an advantage to keep farm animals disease free.

Answer 22

1) Animals treated with antibiotics get fatter quicker because they aren’t wasting any energy on fighting diseases.
2) Animals treated with antibiotics wouldn’t infect other animals or workers or people who ate them.