B3 Flashcards
What do you call a disease causing microorganism
Pathogen
Name the four different types of pathogens
Virus, bacteria, fungi and protists
What type of micro organisms do antibiotics kill
Bacteria
What is a noncommunicable disease
One that cannot be spread person-to-person
What type of cells make up our immune system
White blood cells
What are three ways are immune system defends us against infection
Phagocytosis (engulfing the pathogen), antibodies, antitoxins
What non-specific defence system do we have
Skin, nose (hair and mucus), trachea and bronchi (mucus and cilia), stomach (acid), tears (enzymes and salt)
What type of microorganism causes measles in humans
Virus
What type of microorganism causes Rose black spot disease in plants
Fungus
What is inside a vaccine
Dead, weakened or in active pathogen
Why is vaccination important
To prevent the spread of serious diseases
What is heard immunity
Enough of the population is immune to a disease stopping it from spreading to vulnerable non-immune individuals
What is the first stage of new drug testing
Testing on the cells and tissues in lab
What is the second stage of new drug testing
Testing on animals
What is a placebo
And inert substance or treatment that will have no effect on a patient (fake drug)
