11 Questions
Which of the following is NOT a common mechanism of counteracting or destroying pathogens by the humoral and cellular immunities?
Clonal selection
The spleen is located in the ___ of the body.
upper abdomen
Which of the following is NOT a characteristic that differentiates Peyer's patches from lymph nodes?
Peyer's patches lack a germinal center, while lymph nodes have a well-developed germinal center.
Which of the following is NOT an accurate and general description of the lymphatic system?
The lymphatic system is a closed system, meaning that lymph fluid flows in a single direction and does not return to the bloodstream.
What is the primary function of the cisterna chyli?
To store lymph fluid
Which specific structure in the body houses macrophages?
All of the above
What is the main function of the blood-thymus barrier?
Prevent pathogens from entering the thymus
Which of the following cell types is NOT typically found in germinal centers?
Neutrophils
How does C3b contribute to immune clearance?
Facilitates phagocytosis of pathogens
Which inflammatory mediator is responsible for initiating a fever?
Prostaglandins
Where are mature T and B cells primarily located in the body?
Lymph nodes
Test your knowledge on common and uncommon mechanisms of counteracting pathogens, location of the spleen, immune responses in cell-mediated immunity, differences between Peyer’s patches and lymph nodes, functions of the lymphatic system components, and more.
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