USMLE Step 1 > Cell Surface Markers > Flashcards

Cell Surface Markers Flashcards

(12 cards)

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1
Q

TdT

A
  • lymphoblast marker; absent in myeloblasts & mature lymphs
  • present in ALL
  • TdT = DNA pol
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2
Q

B lymphocyte cell surface markers

A
  • IgM
  • B7
  • CD10
  • CD19
  • CD20
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3
Q

CD19: cell type?

A

B lymphocyte

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4
Q

CD20: cell type?

A

B lymphocyte

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5
Q

CD4: cell type?

A

helper T cell

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6
Q

CD14: cell type?

A

macrophage

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7
Q

CD16: cell type?

A

natural killer (NK) cells

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8
Q

CD28: cell type?

A

helper T cell

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9
Q

CD3: cell type?

A

helper T cells

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10
Q

Helper T cell: cell surface proteins

A
  • CD3
  • CD4
  • CD28
  • T cell receptor
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11
Q

Myeloperoxidase: cell type?

A
  • myeloblasts ==> positive cytoplasmic staining
  • Auer rods = crystal aggregates of MPO
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12
Q

CA-125

A
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USMLE Step 1
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