Chapter 22: Skin Infections - Viral Diseases of the Skin + Fungal Flashcards
1
Q
What bacterium causes warts?
A
Human Papillomaviruses
2
Q
What are warts?
A
- small tumours on skin and mucous membranes
3
Q
How are warts transmitted?
A
direct or indirect contact
4
Q
Are all warts the same?
A
- specific varieties infect different types of skin and membranes and cause different types of warts
ie. dermal warts, plantar warts, genital warts
5
Q
Are all warts oncogenic?
A
not call
- cervical, mouth and throat cancers
6
Q
How do you treat warts? (4)
A
- removal of virus infected cells
- freezing with liquid nitrogen
- chemical - salicylic acid (Compound W)
- Surgical removal
7
Q
How can you prevent warts?
A
- HPV vaccine protects against four strains most likely to cause cervical cancer
8
Q
What type of disease is cutaneous mycoses?
A
fungal
9
Q
What happens in cutaneous mycoses? (2)
A
- fungi grow on hair, nails, and outer layers of skin
- use keratin for food
10
Q
Ringworm is an example of cutaneous mycoses. What is it? (2)
A
- ring shaped fungal rash
- often occurs on moist areas of the body
ie. athlete’s foot, jock itch
11
Q
How do you treat cutaneous mycoses? (2)
A
skin - topical creams containing azoles
hair and nails - oral antifungal griseofulvin
12
Q
What yeast causes candidiasis?
A
- Candida albicans
13
Q
Name two types of yeast infections.
A
- Thrush, vaginitis
14
Q
What type of pathogen is in candidiasis
A
- opportunistic pathogen
- attack when the microbiota is eliminated (ie. because of antibiotic use)
15
Q
How do you treat candidiasis?
A
- topical creams azoles
- mouthwash containing nystatin