Multiple Choice
Healthcare workers who suffer a percutaneous injury should do which of the following?
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21. The Immune System
Introduction to the Immune System
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Where are Peyer's patches located in the human body?
A
In the lymph nodes of the neck
B
In the spleen
C
In the bone marrow
D
In the walls of the small intestine
Verified step by step guidance1
Understand that Peyer's patches are part of the lymphatic system and play a role in immune surveillance and response.
Recall that Peyer's patches are specialized lymphoid tissues found in the gastrointestinal tract, specifically in the small intestine.
Identify the location of Peyer's patches within the small intestine: they are primarily found in the ileum, the last part of the small intestine, embedded in its walls.
Recognize their function: Peyer's patches monitor intestinal bacteria and pathogens, and they are involved in generating immune responses to antigens present in the gut.
Eliminate the incorrect options (lymph nodes of the neck, spleen, and bone marrow) by understanding that these are distinct lymphatic or hematopoietic structures not associated with Peyer's patches.
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