DERMATOLOGY – BITES, STINGS, PEDICULOSIS, SCALY DERMATOSES AND PSORIASIS EXAM QUESTIONS AND ANSWERS 2025

DERMATOLOGY – BITES, STINGS, PEDICULOSIS,
SCALY DERMATOSES AND PSORIASIS EXAM
QUESTIONS AND ANSWERS 2025

what is the presentation of a mosquito bite?
welt and itching




what is the presentation of a flea bite?
multiple and grouped, primarily on legs and ankles, small red papules


what is the presentation of bedbugs?
- cluster of 2 and 3, in a straight line
- common on exposed areas of skin
- intense itching




what is the presentation of chigger bites?
- red papule
- intense itching
- skin may harden forming a tiny tube

,what is the presentation of tick bites?
-itching papules
- usually disappear in 1 week




what is the presentation of scabies bites?
- inflammation
- intense itching
- commonly found between fingers/wrists/genitalia/butt/axillary folds




what 3 bites should you ALWAYS refer for medical attention?
ticks, scabies, and spider




what are 2 complications of ticks?
- lyme disease
- rocky mountain spotted fever




What complication of ticks is characterized by acute flu like symptoms and a Bull's
eye rash?
lyme disease

, It’s important to remove a tick within what timeframe?
36 hours




how is scabies transmitted?
skin to skin contact




Scabies requires prescription therapy to treat, what is that medication?
permethrin 5% cream (elimite)




What are the 3 types of spiders that area able to penetrate the skin with their
venomous bite?
black widow, brown recluse, hobo




spiders:
All species are _______, most unable to _________ skin
venomous, penetrate




insect bites: exclusions for self-treatment:


- <___ years old