1) A 6-year-old boy develops rhinorrhea and a mild non-productive cough 8 days before being brought to your emergency department. Previously, he developed a tactile fever and was taken to a local clinic. He was prescribed a mucolytic and an antihistamine. Despite this treatment, his cough worsened, and his fever persisted. Three days before admission, he also developed a facial rash, which proceeded to spread to his trunk. a) Scarlet Fever/Maculopapular Rash b) Measles/Purpura c) Measles/Maculopapular Rash d) Petechiae/Vitamin C Deficiency e) Chilblains/Buerger's Disease f) Vesicular/Herpes Zoster 2) A 15-year-old girl presents to your emergency department for evaluation of a pruritic rash occurring after exposure to cold temperatures. She had been in her usual state of health until several months after moving to the NYC from Florida. Episodes of rash were characterized by raised, erythematous, intensely pruritic skin lesions that were confined to cold-exposed areas, after contact with cool water or cold surfaces. The lesions developed within minutes, particularly with re-warming of the exposed skin. They were temporary, disappearing within 30 to 60 minutes of ingestion of diphenhydramine, and left no bruising or discoloration in their wake. Name the condition which cases this type of a rash. a) Cold-Induced Urticaria b) Allergic Reaction c) Hyperesinophilia d) Malignancy e) Eczema f) Psoriasis 3) A 14-year-old girl presents to your emergency department with an asymptomatic black macule on the left arm. A few days before its development she had been hiking with friends. She also reported similar dark spots on the clothing she was wearing the day of the hike. Examination revealed an irregular black macule on the left forearm and a few eroded plaques on the arm. Identify the condition and type of skin rash. a) Rhus Dermatitis/Purpura b) Black-spot Poison Ivy/Vesicular c) Systemic Sclerosis/Maculopapular d) Vesicular/Herpes Zoster e) Scarlet Fever/Maculopapular Rash f) Petechiae/Vitamin C Deficiency 4) A 15‐year‐old boy with no significant medical history presents to the ER with generalized weakness, fatigue, lightheadedness, and easy bruising for one month. His symptoms gradually worsened over the course of the month to where he would stand up and immediately feel dizzy. He also reported bruising on his lower extremities and blood‐filled oral blisters that would intermittently burst and heal spontaneously. Examination was significant for hyperpigmented lesions on the forehead and bilateral lower extremity petechiae. Identify the condition and skin finding. a) Systemic Sclerosis/Maculopapular b) Petechiae/Vitamin C Deficiency c) Rhus Dermatitis/Purpura d) Vesicular/Herpes Zoster e) Petechiae/Systemic Lupus Erythematosus (SLE) f) Chilblains/Buerger's Disease 5) A 12-year-old girl presents to your emergency department with erythematous and hyperkeratotic plaques, atrophic areas in hands and fingers, erythematous and scaly plaques in her thighs, buttocks and knees. Skin lesions were painful, appearing during the winter after exposure to cold, and resistant to topical steroid therapy. Identify the condition and skin finding. a) Scarlet Fever/Maculopapular Rash b) Measles/Purpura c) Black-spot Poison Ivy/Vesicular d) Raynaud's Syndrome/Chilblains e) Herpes Zoster/Vesicular f) Chilblains/Buerger's Disease 6) An otherwise healthy 16-year-old man presented to your ER with a 1-day history of respiratory distress with severe tachypnoea, along with abdominal pain and nausea. He was alert and well-oriented. On physical examination, patient was febrile with a pulse rate of 120 beats per minute. The most striking physical sign was a generalized, purple–red skin discoloration, only partially blanchable, with a net-like formation, which had appeared 6 hrs before admission. Identify the condition and skin finding. a) Disseminated Intravascular Coagulation (DIC)/Livedo Racemosa b) Black-spot Poison Ivy/Vesicular c) Scarlet Fever/Maculopapular Rash d) Herpes Zoster/Vesicular e) Chilblains/Livedo Racemosa f) Raynaud's Syndrome/Chilblains 7) A 12 year old boy suffered from a painless ulcer on the fifth toe. The ulcer had started as a blister 6 weeks earlier. He also suffered from mild claudication. He has just been diagnosed with Type 1 Diabetes mellitus. Physical examination in the emergency department showed a warm, reddish foot with a dry, peeling skin and an indolent, probably pressure-induced ulcer on the lateral side of the fifth toe, surrounded by erythema. No arterial ankle pulsations were palpable. Skin sensibility was reduced due to diabetic neuropathy. Identify the condition. a) Malignancy b) Hyperesinophilia c) Cold-Induced Urticaria d) Buerger's Disease e) Distal Ischemia f) Allergic Reaction

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