A 10-year-old boy presents with a painful rash for 1 day. He says that the reddish, purple rash started on his forearm but has now spread to his abdomen. He says there is a burning pain in the area where the rash is located. He also says he has had a stuffy nose for several days. Past medical history is significant for asthma and epilepsy, medically managed. Current medications are a daily chewable multivitamin, albuterol, budesonide, and lamotrigine. On physical examination, there is a red-purple maculopapular rash present on upper extremities and torso. There are some blisters present over the rash, as shown in the image, which is also present in the oral mucosa. Which of the following is the most likely cause of this patient’s symptoms?
AMultivitamin
BBudesonide
CAlbuterol
DLamotrigine
EInfection
A 42-year-old man who is employed as a construction worker presents to his primary care physician with complaints of moderate headaches and profuse sweating. He reports the need to carry up to 3 additional shirt changes to work because they drench quickly even with tasks of low physical exertion. His coworkers have commented about his changing glove and boot sizes, which have increased at least 4 times since he joined the company 10 years ago. Physical examination is unremarkable except for blood pressure of 160/95 mm Hg, hyperhidrosis, noticeably large pores, hypertrichosis, widely spaced teeth, and prognathism. Which of the following best explains the patient’s clinical manifestations?
AIncreased serum cortisol
BIncreased thyroid-stimulating hormone
CIncreased serum metanephrines
DIncreased serum insulin-like growth factor 1 (IGF-1)
EIncreased serum testosterone
A 13-year-old boy is brought to the emergency department because of vomiting, diarrhea, abdominal pain, and dizziness for the past 3 hours with fever, chills, and muscle pain for the last day. He had presented 5 days ago for an episode of epistaxis caused by nasal picking and was treated with placement of anterior nasal packing. His parents report that the bleeding stopped, but they forgot to remove the nasal pack. His temperature is 40.0°C (104.0°F), pulse is 124/min, respirations are 28/min, and blood pressure is 96/68 mm Hg. He looks confused, and physical exam shows conjunctival and oropharyngeal hyperemia with a diffuse, erythematous, macular rash over the body that involves the palms and the soles. Removal of the anterior nasal pack shows hyperemia with purulent discharge from the underlying mucosa. Laboratory studies show: Total white blood cell count 30,000/mm3 (30 x 109/L) Differential count Neutrophils 90% Lymphocytes 8% Monocytes 1% Eosinophils 1% Basophils 0% Platelet count 95,000/mm3 (95 x 109/L) Serum creatine phosphokinase 400 IU/L What is the most likely diagnosis for this patient?
AStevens-Johnson syndrome
BMeasles
CDisseminated gonococcal infection
DHerpes simplex virus type 2 (HSV-2) meningitis
EToxic shock syndrome
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