Innate immunity consists of the physical barriers to foreign invaders, which include all of the following, EXCEPT ________.

A. skin
B. mucous membranes
C. tears
D. blood

Answer: D

Health Professions

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How long should a patient be monitored for anaphylaxis following an injection?

A) 15 minutes B) 5-10 minutes C) 20-30 minutes D) No need to monitor

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