PNB 2275 LaB 5 Exam NEwEst 2025/2026 uPdatE with 35 ComPLEtE QuEstioNs aNd CorrECt aNswErs |aLrEady GradEd a+||BraNd NEw VErsioN!

PNB 2275 LaB 5 Exam NEwEst 2025/2026 uPdatE with 35
ComPLEtE QuEstioNs aNd CorrECt aNswErs |aLrEady GradEd
a+||BraNd NEw VErsioN!




Structures of Lymph system - ANSWER-- vessels

- tissues

- organs



Functions of Lymph System - ANSWER-- maintain fluid balance

- participate in immune responses to protect agaisnt pathogens

- absorb lipids



Where does lymph system return fluid to blood circulation - ANSWER-subclavian
veins



What is inside a lymph node? - ANSWER-- B lymphocytes

- T lymphocytes

- macrophages



Primary lymph organs (2) - ANSWER-- thymus

- bone marrow

, What makes lymph organs primary? - ANSWER-sites where the cells of immune
system are generated and mature



Secondary lymph organs (2) - ANSWER-- spleen

- lymph nodes



What makes lymph organs secondary? - ANSWER-sites where mature cells of the
immune system aggregate and initiate a specific immune response



What cells grow and mature in thymus? - ANSWER-T lymphocytes



Thymus histology - ANSWER-- lobules

- hassall's corpuscle



Spleen histology - ANSWER-- R&W pulp

- central artery/arteriole in white pulp

- PALS

- germinal center



What cells are found in germinal centers of spleen? - ANSWER-B lymphocytes



What are two purposed for Hemolytic Plaque Assay? - ANSWER-- demonstrates
presence of antibodies

- enumerate BCells which secrete antibodies



Which ELISA technique will we use in lab? - ANSWER-INDIRECT