Question

question 5
1 pts
masses of lymphoid tissue located in a protective ring under the mucous membranes in the mouth and the back of the throat are called
lymphatic capillaries.
lymph nodes.
tonsils.
anastomoses.
question 6
1 pts
during their residence in the thymus, pre - t cells develop into _____, cells that proliferate as rapidly as any in the body.
cytotoxic t cells
tigen - presenting cells
thymocytes
memory t cells

Explanation:

For Question 5:

• Lymphatic capillaries are thin - walled vessels for lymph collection.
• Lymph nodes are bean - shaped organs along lymphatic vessels.
• Tonsils are lymphoid tissue masses in a ring under oral and pharyngeal mucous membranes.
• Anastomoses are connections between blood vessels.

For Question 6:

• Cytotoxic T cells are a type of T cell that can kill infected cells.
• Antigen - presenting cells (like macrophages) present antigens.
• Thymocytes are pre - T cells that develop in the thymus and proliferate rapidly.
• Memory T cells are long - lived T cells that remember antigens.

Answer:

Question 5: C. tonsils
Question 6: C. thymocytes