non- communicable diseases

Question 1

what are non communicable diseases

Answer 1

diseases that are not spreading from organism to oragnaism

Question 2

what are communicable diseases

Answer 2

diseases that are spreading from organism to organism

Question 3

describe some disease interactions

Answer 3

• physical health problems can cause mental health issues
• diseases in the immune system can trigger other infections
• some viruses occupying cells and cause cancers
• some pathogens can cause allergies

Question 4

what is the meaning of risk factors

Answer 4

The factors which develop the chance to get diseased

Question 5

what are the 2 main risk factors

Answer 5

• lifestyle
  -age
• gentics
• substsnces- chemicals,cigarattes

Question 6

name some diseases and their risk factors

Answer 6

-low birth weight babies- smoking
-brain damage in babies- excessive use of alcohol
- diabetes (type 2)- obesity-poor diet
-lung diseases - smoking
-cardiovascular diseases - poor diet
brain and liver damage- excessive use of alcohol

Question 7

what happens when a coronary heart disease

Answer 7

the coronary blood vessels get narrower due to a deposition of build up fatty layer which then reduces the amount of blood passes through and this reduces the supply of the oxygen to the heart muscle

Question 8

what is happen when you got heart valve diseases

Answer 8

the valves of the heart become faulty and does not open or close properly

Question 9

ccccccfcgb,µxdwhat are the diseases related to the valves

Answer 9

-leaky valves- allows back flow of blood , more work should be done by the heart to circulate blood
- valves that are not opening properly- obstructs the flow of blood, requires more energy to force to flow,strains the heart

Question 10

what are the benefits of using artificial hearts during a heart failure

Answer 10

-donor’s heart will not be rejected by the patient’s body
- gives the patient’s heart the opportunity to take rest to recover

Question 11

what are the drawbacks of the artificial hearts

Answer 11

• can cause blood clloting which leads to strokes
• need to stay in in the hospital for a long period of time and costs more.

Question 12

what are the methods that are being used to prevent coronary heart diseases

Answer 12

statins- medicines that lower the level of cholesterol in the blood.
decreases the level of building up of fatty minerals in the coronary arteries.
stents - inserted into the coronary arteries and help it to keep open to help the blood flow

• but when scar tissue grow up the artery becomes narrow again

Question 13

advantages and disadvantages of using drugs, mechanical devices and transplants to treat heart diseases

Answer 13

DRUGS
adv- no need for surgeries,cheap
disadv- can have side effects

MECHANICAL DEVICES
adv- no side effects
disadv- might want to replace and have to wear it everytime,costs more, might need power supply

TRANSPLANTS
adv- no need to replace ,works as a new organ
disadv- risk of rejection and harder to find matching donors, risk of getting other infections

Question 14

what is a cancer

Answer 14

a group of diseases that are uncontrollable growth and cell division of a diseased cells

Question 15

what are the 2 main types of tumours

Answer 15

-malignant tumours
-benign tumours

Question 16

describe the 2 types of tumours

Answer 16

MALIGNANT TUMOURS - when the diseased cells invade the neighbouring tissues and spread by the blood to other organs in the body.
BENIGN TUMOURS- when the tumour is only present in a certain organ of the body

Question 17

what are the risk factors for cancers

Answer 17

-life style- diet .smoking, obesity, UV exposure
-genetics -eg .breast cancers