Your patient reports the insidious onset of a reddish blister on his thumb that gradually developed into an open wound. The wound now presents with a central necrotic area surrounded by significant erythema. The most likely cause of this skin presentation is:
A. a brown recluse spider bite.
B. a neuropathic ulcer.
C. pyoderma gangrenosum.
D. cellulitis.
A
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What letter of the OPQRST mnemonic reflects a medical emergency patient's report that difficulty in breathing is worst while attempting to walk?
a. O b. P c. Q d. R
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Two or more elements joined together form a molecule
Indicate whether the statement is true or false
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Peripheral cyanosis is sometimes difficult to detect in people of dark skin
Indicate whether the statement is true or false
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Which of the following would you MOST likely see in a patient with an infectious disease?
A) Abrasions B) Fever C) Bruising D) Hypertension
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