A 3-Year-Old Girl Is Brought to the Office Due to 2

question 104

Multiple Choice

A 3-year-old girl is brought to the office due to 2 days of fever and rash.  Her mother says the patient has also been refusing to eat or drink.  She has no prior medical conditions and is up to date with recommended vaccinations.  None of the family members have had recent febrile illness, but the patient recently started attending day care.  Temperature is 38.3 C (101 F) .  Physical examination shows multiple small vesicles and ulcers with an erythematous base on the buccal mucosa and tongue.  There are similar vesicular lesions on the distal extremities.  Which of the following is the most likely underlying cause of this patient's rash?

• A)Autoantibody-mediated acantholysis
• B)Disseminated enteroviral infection
• C)Idiosyncratic hypersensitivity reaction
• D)Immune response to a bacterial toxin
• E)Medium-sized arterial inflammation

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Definitions:

Tolerance

The reduced reactivity to an event with repeated experience.

Instinctive Behavior

Inherent actions or reactions that are performed without prior learning or experience, typically driven by genetic programming.

Experience

The knowledge or skill acquired through direct observation, participation, or event involvement over time.

Experienced Parachutists

Individuals who have completed numerous parachute jumps and possess significant skill and knowledge in parachuting.