Health and Disease (Infectious Disease) - As Biology 3.0 / 5 based on 1 rating ? BiologyHealth, illness and diseaseASOCR Created by: GracieCreated on: 26-05-13 17:20 What is the defenition of Health ? A state of physical, mental and social well being. 1 of 20 The defenition of Disease ? A condition that impairs the normal function of an organism 2 of 20 What is a pathogen ? An organism that can cause damage to the organism it infects (host) 3 of 20 What is a parasite ? An organism that lives in or on an organism, that causes harm to that organism 4 of 20 Disease an be caused by what ? Genetic defeats, nutritional deficiencies, enviromental factors. 5 of 20 Malaria is caused by what ? A parasite called, plasmodium 6 of 20 What are mosquitos ? Vetors 7 of 20 Is the plasmodium transported into the blood ? True 8 of 20 How does Malaria infect the organism ? It infects the liver and red blood cells, disrupts blood supply to organs 9 of 20 What does HIV stand for ? Human immune virus 10 of 20 What does HIV infect ? It infects white blood cells 11 of 20 What can HIV only do inside the cells ? It can only reproduce inside the cells as it has no ribosomes etc 12 of 20 What happens to the cell, when HIV leaves it ? The cell is killed 13 of 20 How does HIV, lead to AIDS ? The immune system is down/deteriarates and eventually fails due to the loss of white blood cells 14 of 20 What does AIDS stand for ? Accquired immune deficency syndrome 15 of 20 How is HIV transmitted ? Unprotected sex, sharing needles, mother to fetus 16 of 20 What does TB stand for ? Tuberoulosis 17 of 20 Is TB formed by a bacterium ? True 18 of 20 How is it spread Droplets of mositure 19 of 20 Does TB always show symptoms ? False 20 of 20
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