Skin

Question 1

• Nonimmune skin reaction from toxic exposure, causing itching and
  thickened eruptions.

Answer 1

Irritant Dermatitis

Question 2

• Coagulative necrosis from corrosive chemicals, leading to blistering, scar formation, and systemic absorption.

Answer 2

Chemical Burn

Question 3

• Type IV delayed hypersensitivity, requiring initial sensitization and rechallenge; can range from mild irritation to systemic immune reaction

Answer 3

Allergic Contact Dermatitis

Question 4

-Abnormal sensitivity to UV/visible light, causing red, blistering eruptions, hyperpigmentation, and thickening.

Answer 4

Phototoxicity

Question 5

-Type IV delayed hypersensitivity to light

Answer 5

Photoallergy

Question 6

Severe acne with comedones, papules, pustules, or cysts, not limited to the face.

Answer 6

Chloracne

Question 7

Hyper- or hypopigmentation.

Answer 7

Pigmentary disturbance

Question 8

Skin reaction with raised, itchy welts.

Answer 8

Urticaria (hives)

Question 9

Cancer-related skin changes

Answer 9

Carcinogenic changes

Question 10

found in herbal teas, grains, honey.

Leads to pulmonary arterial hypertension.

Answer 10

Monocrotaline

Question 11

found in tar and petroleum.

Causes bronchial epithelium necrosis

Answer 11

Naphthalene

Question 12

Results in bronchial metaplasia and alveolar destruction

Answer 12

Oxygen toxicity