Integumentary system Quiz #11, Bacterial Skin Infections  

1. A 5-year-old boy is brought to the pediatrician by his parents due to a rapidly spreading, red, warm lesion on his thigh accompanied by fever. The lesion began as a small red bump 2 days ago after the child fell at a playground. Which of the following organisms is most likely responsible for this infection? 

Question 1 of 5

2. A 22-year-old male presents with a painful, swollen right foot. He reports stepping on a nail while walking barefoot in a barn 3 days ago. Physical examination reveals a puncture wound on the sole of the foot with surrounding erythema and warmth. Which of the following is the most appropriate antibiotic therapy? 

Question 2 of 5

3. A 30-year-old homeless man presents with a fever and a large abscess on his lower back. Incision and drainage reveal copious amounts of purulent material. Culture of the abscess fluid grows Gram-positive cocci in clusters. Which of the following is the most likely virulence factor contributing to the formation of this abscess? 

Question 3 of 5

4. A 16-year-old girl presents with a rapidly progressing rash around her nose and mouth accompanied by a fever. She has a history of atopic dermatitis. Examination reveals honey-colored crusts on an erythematous base. Which of the following is the most appropriate treatment? 

Question 4 of 5

5. A 45-year-old man with diabetes presents with a foot ulcer that has a foul odor and black necrotic tissue at the base. The patient reports a tingling sensation in the foot but denies significant pain. Which of the following organisms is most likely to be responsible for this presentation? 

Question 5 of 5


 

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