Viral infections of the skin

Question 1

what virus causes chicken pox and shingles

Answer 1

varicella zoster virus

Question 2

which part of the virus causes chicken pox

Answer 2

varicella

Question 3

which part of the virus causes shingles

Answer 3

zoster

Question 4

what is the difference between shingles and chicken pox

Answer 4

chicken pox is the primary infection with a generalised rash and fever and itch

shingles is the reactivation of the virus and its dermatomal and painful

Question 5

describe the lesions in chicken pox

Answer 5

macules to papules to vesicles to scabs

Question 6

what are the complications of chicken pox

Answer 6

secondary bacterial infection
pneumonitis
haemorrhagic
scarring
encephalitis (go  into brain)

Question 7

why does neonatal VZV happen?

Answer 7

it happens secondary to chicken pox in a pregnant mother in late preganancy

Question 8

who tends to get shingles?

Answer 8

elderly and imunnocompromised

Question 9

opthalmic zoster

Answer 9

opthalmic division of trigeminal nerves is affected in shingles

Question 10

what is Ramsay-Hunt syndrome

Answer 10

vesicles and pain in auditory canal and throat

Question 11

which nerve is irritated in Ramsay-Hunt syndrome

Answer 11

8th cranial nerve- deafness, vertigo, tinnitus

Question 12

when do you get the shingles virus?

Answer 12

at age 70

Question 13

what is the difference between type 1 and 2 herpes simplex virus

Answer 13

type 1- main cause of oral lesions, causes half of genital herrpes, causes encephalitits

type 2- the same but rarely causes oral lesions

Question 14

how do you treat varicella zoster virus?

Answer 14

Aciclovir

Question 15

how do you treat herpes simplex virus?

Answer 15

Aciclovir

Question 16

what happens in lab conformation of VZV or HSV?

Answer 16

swab with viral transport medium

antibody tests

Question 17

what is erythema multiforme?

Answer 17

target lesions with erythema shown

Question 18

fleshy firm, umbilicated pearly nodules

Answer 18

molluscum contagiousum

Question 19

who tends to get molluscum contagiosum?

Answer 19

children

sexually transmitted in adults

Question 20

how do you treat molluscum contagiousum?

Answer 20

local apllication of liquid nitrogen

Question 21

what virus causes warts?

Answer 21

human papilloma virus

Question 22

what can the the human papilloma virus cause?

Answer 22

warts
genital warts
cervical cancer
head and neck cancer

Question 23

what virus causes herpangia?

Answer 23

enterovirus

Question 24

blistering rash at back of mouth?

Answer 24

herpangia

Question 25

what virus causes hand foot and mouth disease?

Answer 25

enterovirus

Question 26

what is the other names for erythema infectiosum?

Answer 26

slapped cheek syndrome

Question 27

what causes slapped cheek?

Answer 27

parovirus B19

Question 28

how do confirm slapped cheek?

Answer 28

antibody test

Question 29

what causes Orf?

Answer 29

virus of sheep (scabby mouth)

Question 30

firm fleshy nodule on farmers hands

Answer 30

orf

Question 31

what is the primary infection of syphilis like?

Answer 31

chancre | painless ulcer at site of entry

Question 32

what is the secondary phase of syphilis infection like?

Answer 32

red rash all over | mucous membrane snail track ulcers

Question 33

what is the tertiary phase of syphilis?

Answer 33

CNS problems | CV problems

Question 34

what causes syphilis?

Answer 34

treponema pallidum

Question 35

how do you diagnose syphilis?

Answer 35

blood test or swab for PCR

Question 36

how do you treat syphilis?

Answer 36

penicillin

Question 37

what is the vector in lyme disease?

Answer 37

ticks

Question 38

what bacterial causes lyme disease?

Answer 38

borrelia burgdorferi

Question 39

how do people with lyme disease present?

Answer 39

early- erythema migrans | late-herat block and nerve palsies

Question 40

how do you treat lyme disease?

Answer 40

doxycycline or amoxicllin

Question 41

how do you confirm lyme disease?

Answer 41

blood test for antibody to organism