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Questions and Answers
Which insect's sting can sometimes be fatal?
Which insect's sting can sometimes be fatal?
- Black widow spider
- Scorpion (correct)
- Bee
- Centipede
What is a common effect of a hard tick's bite?
What is a common effect of a hard tick's bite?
- Tick paralysis (correct)
- Myiasis
- Local swelling
- Intense itching
What is a common symptom of a black widow spider's bite?
What is a common symptom of a black widow spider's bite?
- Myiasis
- Dermatitis
- Local swelling and intense pain (correct)
- Tick paralysis
Which of the following insects can cause dermatitis?
Which of the following insects can cause dermatitis?
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What is a common effect of a caterpillar's hairs or spines?
What is a common effect of a caterpillar's hairs or spines?
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Study Notes
Arthropod-Related Skin Disorders
- Chiggers cause intense itching and dermatitis
- Rat mites cause intense itching and dermatitis
- Grain itch mites cause dermatitis and fever
- Scabies mites burrow into the skin, causing dermatitis (scabies)
Tick-Related Disorders
- Hard ticks cause painful bites, tick paralysis, and can be fatal if not removed
- Soft ticks can be very venomous, depending on the species
Spider-Related Disorders
- Black widow spider bites cause local swelling, intense pain, and occasionally death
Scorpion-Related Disorders
- Scorpion stings cause painful and sometimes fatal reactions
Insect-Related Disorders
- Centipedes inflict painful bites
- Lice cause intense irritation, leading to reddish papules
- Bedbugs are blood suckers, which can be irritating to some people
- True bugs cause painful bites and local inflammation
- Crushed beetles can cause severe blisters on the skin
Other Insect-Related Disorders
- Caterpillar hairs or spines can cause a rash on contact
- Bees, wasps, and ants inflict painful stings, leading to local swelling
- Flies cause painful bites, swelling, bleeding puncture wounds, and myiasis
- Mosquitoes cause irritation
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