Infectious agents and diseases

Question 1

What are pathogenic and virulence ?

Answer 1

Pathogenic-is a infectous agent that causes diseases
Virulence- how terrible the disease is (How fast it transmits)

Question 2

What is a piron?

Answer 2

1. Prion is a protein, which does is not a cell or alive
2. The infectious proteins effect the neurons and disturb the folding
3. This mis-folding can lead to neurlogical symtopms
4. The infectious proteins are transmitted through blood and organ transfussion
5. Less than 20 nm

Question 3

What disease does piron cause

Answer 3

1. Transmissible spongy form encephapatheyl (TSE and CJD) creutzfeldt jakobs disease

Question 4

What is a virus

Answer 4

1. 2-400nm is a cell or active
2. Needs to be in a host (Animal or human) to work
3. Known as intracellular obligate parasite
4. Categoriesed by the genome and the capsids

Question 5

What diseases does virus cause?

Answer 5

1.Respiratory- cold and flu
2.Skin- HPV
3.CNS- Pollio

Question 6

What is a bacteria?

Answer 6

1.It is a prokarytoic , cell that is active
2.0.2-15 micrometres
3.Has a cell wall for prevnt leaking (peptidoglycin) there is a thick one which is gram + and the thin is gram -
4.The bacteria can be aerobic or anaerobic
5.The bacteria can also be intracellular or intracellular

Question 7

What diseases does bacteria cause?

Answer 7

1.chymadia
2.pneumonia

Question 8

What is fungi and what diseases can it cause?

Answer 8

1. 2-200micrometres, its a cell , alive and eukaryotic
2. Has a cell wall made by chitin
3. Can be replicated sexually or asexually e.g Spores
4. Disease such as thrush and ringworm

Question 9

What is a protozoa and what diseases does it cause?

Answer 9

1.1-50 micrometres, unicellular and eukaryotic
2.Disease- malaria

Question 10

What is helmith and what disease does it cause?

Answer 10

1. 3mm-10m, eukaryotic and multicellular
2. Disease types- flease,mites and bed bugs