Paper 1 Sum Up

Question 1

Which part of the blood helps it to clot if the skin is cut?

Answer 1

Platelets

Question 2

Your stomach contains which type of acid?

Answer 2

Hydrochloric acid

Question 3

How are infectious diseases transmitted?

Answer 3

Sexual intercourse
Coughing
Wounds
Sneezing
Physical touch
Respiratory transmission
Animal/ insect transmission
Food/water
dirty equipment

Question 4

What acts as barriers to infection?

Answer 4

Skin
Mucus
Tears
Earwax
Stomach acid
Done by immune system 🫶🫶

Question 5

What is a good feature of a vaccine?

Answer 5

Herd immunity

Question 6

How does a vaccine work?

Answer 6

Imitating an infection (using pathogens similar to disease fighting against) to engage the bodies natural defences

Question 7

What do antibodies have to be to kill pathogens?

Answer 7

Specific

Question 8

What is immunity?

Answer 8

A term used to describe not being able to become I’ll with a particular pathogen

Question 9

What is a an antigen?

Answer 9

Any foreign molecule that’s recognised by, and able to elicit a specific response from a lymphocyte