Extra for unit three disease

Question 1

what makes a good sample

Answer 1

good samples are large varied and represent the whole popualtion

Question 2

what makes a poor sample

Answer 2

small and not representative

Question 3

what kind of drug can be used to reduce cholestrol to fatty depostist

Answer 3

statins

Question 4

what are stents used for

Answer 4

they keep the arteires poen ot keep blood flowing depsite he fatty deposits in the coronary arteries

Question 5

what is an advanatge for a mechanical valve

Answer 5

it is long lasting

Question 6

what is a disadvanatge for a mechanical valve

Answer 6

life long medicine to prevent blood clots around it .

Question 7

wha is an advantage of a biological valve

Answer 7

patients do not need medication

Question 8

what is a disadvanatge of a biological valve

Answer 8

only alsts 12-15 yers

Question 9

what are the two issues with heart transplants

Answer 9

-waiting for a donor that is a tissue match , tak elong time , as a reuslt many people die before the actual transplant .
there is a risk of blood cloottng

Question 10

what is one advanatgee of artifical pacemakers

Answer 10

increases quality and length of life

Question 11

disadvanatge of artificla pacemakers .

Answer 11

regular checkups needed life-long

Question 12

advanatges of antibiiotics

Answer 12

• speciifc antibiotics can be used for specifc bacteria

- antibiotics can slow the gorwth of nd kill manyt ypes of infection .

Question 13

disadvanatges of antibioics

Answer 13

-if you take ntibiotic s, your body can build a reistance to antibiotic drugs and be no longr effective .
-antibiotics cannot be used to cure vrial diseases
because they are acellular .

Question 14

explain wh y it is difficult to produce a drug that targets and kills viral pathogens without harmng tissues of the body .

Answer 14

as virussues live and reproudce inside cells so is difficult to make one that dosen;t harm tissues of the body .