Rejected at 5:27 p.m. Oct, 31, 2023 ] by Alex
Author: shmuelsash
Related Note: 1520300810177 2
Rationale for change

Not really sure what this card was meant to ask but here are soem relevant facts:

CD-40 in T cells activate CD40 receptor on B cells to class switch

ALSO

B7 is a ligand on B cells which activates CD28 on T cells to secrete cytokines

ALSO

Macrophages are a type of APC (antigen presenting cell) that (like a B cell which is a type of APC) has B7 which interacts with CD28 on a T cell

Rejection reason

unresolved after months, can revisit if necessary, appreciate recs

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#AK_Other::#AK_Original_Decks::Step_1::Zanki_Step_Decks::Zanki_Immunology_+_General_Pathology::Immunology #AK_Step1_v12::#B&B::13_Immunology::01_Basic_Immunology::03_B-cells::Extra #AK_Step1_v12::#FirstAid::02_Immunology::02_Cellular_Components::08_Macrophage-lymphocyte_interaction #AK_Step1_v12::#FirstAid::02_Immunology::02_Cellular_Components::11_T-_and_B-cell_activation::01_T-cell_activation::*T_Activation #AK_Step1_v12::#FirstAid::10_Hematology_and_Oncology::02_Anatomy::06_Macrophages::*Basics #AK_Step1_v12::#UWorld::COMLEX::27513 #AK_Step1_v12::#Bootcamp::Immunology::06_B-cells::02_B-cell_Activation #AK_Other::Only_Step_1 #AK_Other::^EXPN::BGadd #AK_Step1_v12::#Physeo::08_Immunology::01_Immunology::08_Macrophages #AK_Step1_v12::#UWorld::Step::21091 #AK_Step1_v12::#OME_banner::Basic_Science::07_Immunology #AK_Step1_v12::^Systems::Immunology::BGadds #AK_Step1_v12::#Low/HighYield::1-HighYield