Flashcards in B1 Deck (45)
Why is salt bad?
Too much can cause high blood pressure and lead to strokes, brain and kidney damage
What is cholesterol?
a type of fat made by the liver and found in every cell of the body and is carried in the bloodstream.
There are two types: high density lippoprotein (good)
low density lippoprotein (bad)
What are statins?
drugs used to lower cholestrol levels in peoples blood and reduces risk of heart disease
What are the potential side effects of statins?
Increase chance of liver problems
Acute kidney failure
Bleeding in the brain (if already happened)
whats the definition of disease?
when an individuals vital functions or organs are impaired
what is the definition of infection?
is the invasion and multiplication of pathogenic microbes in an individual or population
what is a pathogen?
an organism which can cause disease
What are the keywords to include to describe phagocytosis?
#using digestive enzymes
#release and dispose/exocytosis
what is a lymphocyte?
a white blood cell that produces specific antibodies
what is an antibody?
made by the body to defeat the pathogen
what is an antigen?
on the surface of every cell and pathogen
what is the definition of medicine?
Drugs used for treatment and prevention of a disease (often they just soothe the symptoms)
What do antibiotics do?
they target bacteria but do not affect healthy cells and cannot kill viruses or fungi
What are the keywords to include to describe vaccinations?
#triggers immune response from lymphocytes
#antibodies used to defeat disease
#turn into memory cells
#if the pathogen re-enters the body the memory cells attack and destroy it quickly (rapid response)
what is the definition of drugs?
a chemical substance that affects the way the body works
What do hallucinogens do?
Change the release of chemicals over a synapse
What does a pain killer do?
Stop The release of chemicals over a synapse
What do stimulants do?
Speed up the release of chemicals over a synapse
What makes an effective drug?
What is a placebo?
Pill that does not contain the drug
What is a double blind trial?
Neither doctor nor patient knows who has the real drug
What is thalidomide?
Originally a sleeping pill but was good to treat morning sickness
Never tested it for that use
Affected features - born with severe limb deformities
What is the peripheral nervous system?
nerves taking information from sense organs into CNS and nerves taking information from the CNS to the effectors
what does a receptor cell do?
reacts to stimulus
What do depressants do?
Slow down the release of chemicals over a synapse
what is the reflex arc?
stimulus=receptor=sensory neuron=relay neuron=motor neuron=effector
What is classification?
putting organisms into groups based on their characteristics
what is the definition of hormone?
a chemical messenger which travels in the bloodstream
what are nerves?