A 36-year-old man enters the emergency department with lesions that are painful, red, swollen, and indurated. He is febrile and exhibiting regional lymphadenopathy (swollen glands). The le-sions are marked and well demarcated with a raised border. Which organism is most likely re-sponsible for causing this infection?
a. Streptococcus pyogenes
b. P. aeruginosa
c. Microsporum spp.
d. Bacteroides fragilis group
A
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A patient is waiting for a kidney transplant. In order for the transplant to be successful, the donated kidney (the graft) must "match" with the recipient. What has to "match" between the donor and the recipient?
Why is matching tissue more difficult than matching blood types? What will be an ideal response?
Each of the following is considered a part of the body's second line of defense except:
A) fever. B) inflammation. C) interferons. D) lysozyme.
Influenza virus adheres to the epithelium of the respiratory system with the aid of ________ and ________ found in its envelope spikes.
What will be an ideal response?
Clinical significance of axial filaments
What will be an ideal response?