drugs Flashcards
how does antibiotics effect bacteria
disrupt production of cell wall which results in
- disruption in the metabolic processes of growth and stops growth of bacterial spores
interferes of bacteria; spores, stopping bacteria growth
why does antibiotic not work on virus
virus do not have own metabolic pathway and rely on host metabolic pathway
how does resistant bacteria develop
variation in bacteria colony
when course is not completed, some bacteria that are stronger will not be killed
these drug resistant mutant will continue to reproduce
create new colony of drug resistant bacteria
what is alcohol
depressant
effects of alcohol
icreased reaction time, reduced inhibitions
what does alcohol damage
kidney and liver
withdrawal system of alcohol
tremors, high pulse rate, sweating, deliriums
what is heroin
depressant
what is heroin used for
relieve severe pain and produce short-lived feelings of wellbeing and freedom of anxiety
how does heroin works
heroin mimic endorphins and binds receptors molecules on synapse
this causes release of dopamine, a neurostranmitter
results in intense short lived rushed of feel good
what is dopamine responsible for and found in
resonsible for reducing pain, mood and sensations of hunger and thirst. found in brain
effect of using heroin long term
decrease number of receptors and their sensitivity due to overloading of dopamine binding to the receptors
body produces less amount of natural dopamine and more heroin needed to feel normal
risk of infections via injections of needles
what are the harmful substances in cigaratte
carbon monoxide, nicotine, tar and irritants
which parts of the cigarette causes addiction
nicotine
effects of smoking
coronary heart diseases, respiratory disease, cancer
