Due to alcohol intoxication, a 62-year-old man is brought to the emergency room from a homeless shelter. There are no additional symptoms or a history of serious medical issues in the patient. The discoveries in the exhibit are revealed via examination of the scalp. Which of the following organisms is most likely responsible for this patient's condition?

Question

Due to alcohol intoxication, a 62-year-old man is brought to the emergency room from a homeless shelter. There are no additional symptoms or a history of serious medical issues in the patient. The discoveries in the exhibit are revealed via examination of the scalp.  Which of the following organisms is most likely responsible for this patient's condition?

Quizplus · Accepted Answer

Eductional Objective: Pediculus humanus capitis (ie, head lice) infestation is common in school children and adults who come into close contact with infested individuals.  Transmission is usually by direct contact.  The eggs (nits) are attached to the hair shaft and can be identified on inspection.  First-line treatment includes topical pediculicides (eg, permethrin, ivermectin).

Due to Alcohol Intoxication, a 62-Year-Old Man Is Brought to the Emergency