B7 non communicable diseases Flashcards
what is health
a state of physical and mental wellbeing
what happens in coronary heart disease
layers of fatty material build up inside the coronary arteries, narrowing them. This reduces the flow of blood through the coronary arteries, resulting in a lack of oxygen for the heart muscle
what are stents used for
to keep coronary arteries open
what are statins used for
to reduce blood cholesterol levels which
slows down the rate of fatty material deposit
what are statins
a drug to lower cholesterol in the blood by lowering production in the liver
what are the disadvantages of using statins
they need to be taken long term
they are not suitable for everyone must not be prescribed if you have liver disease, are pregnant or breastfeeding
side effects
what are the disadvantages of stents
risk of
bleeding
heart attack
stroke
how can faulty valves be treated
replaced using biological or mechanical valves
what are artificial hearts used for
keep patients alive whilst waiting for a heart transplant
or to allow the heart to rest as an aid to recovery
what factors can lead to ill health
diet, stress and life situations may have a profound effect
on both physical and mental health
how may different types of diseases interact
- Defects in the immune system mean that an individual is more
likely to suffer from infectious diseases. - Viruses living in cells can be the trigger for cancers.
- Immune reactions initially caused by a pathogen can trigger
allergies such as skin rashes and asthma. - Severe physical ill health can lead to depression and other
mental illness.
what risk factors can lead to an increased rate of disease
They can be:
* aspects of a person’s lifestyle
* substances in the person’s body or environment.
what is cancer
the result of changes in cells that lead to uncontrolled growth and division
what are benign tumors
growths of abnormal cells which are contained in one area, usually within a membrane. They do not invade other parts of the body
what are malignant tumors
They invade neighbouring tissues and spread to different parts of the body in the blood where they form secondary tumours