Fungi

Question 1

What is the definition of a fungi

Answer 1

Chemo-organtrophic eukaryotic cell

Question 2

What are the Types of fungi

Answer 2

Basidiomycetes
Ascomycetes
Zygomycotic

Question 3

Name two non fatal dermatophytic infections

Answer 3

Athletes foot by ascomycetes feeding on keratin and pityriasis versicolour caused by basidiomycetes forming hyphae in the skin

Question 4

Name systemic infections caused by fungus

Answer 4

Thrush -ascomycetes candida spp.
Chronic mucocutaneous candida infection in immunosuppressive patients
Aspergillosis by ascomycetes aspergillosis such as asthma or if disseminated aspergillosis angio invasive
Cryptococcosis - basidiomycetes form disseminated capsules causing meningitis

Question 5

How are viruses classified

Answer 5

Virion shape/symmetry/ presence of lipid envelope, genome and mode of replication
Can be icosahedral (equilateral triangles) helical (protein wrapped around DNA/RNA) or a complex of neither

Question 6

Viruses of note

Answer 6

Latent viruses like herpes simplex simplex or varicella zoster (shingles)
Chronic infections from hepatitis B and C and HIV
Human papilloma virus can also cause cancer