Page 1310 - Clinical Immunology_ Principles and Practice ( PDFDrive )

CHaPter 93 Assessment of Functional Immune Responses in Lymphocytes 1271.e1

MU lt IP le -CHOIC e QU e S t IO n S

1. CD40L is an early activation marker present primarily on 3. The histone H2AX is phosphorylated (γH2AX) by which of
which lymphocyte subset? the following kinases, in addition to ATM?
A. B cells A. BTK
B. Natural killer (NK) cells B. LCK
C. Regulatory T cells C. ATR
D. CD4 T cells D. ITK
2. Natural killer (NK) cells recognize target cells in a cytotoxicity 4. Which of the following cytokines is a hallmark of B cells that
assay by which of the following mechanisms? possess regulatory function (Breg)?
A. Absence of CD16 A. Interleukin-6 (IL-6)
B. Absence of NKp46 B. IL-10
C. Absence of major histocompatability complex (MHC) C. IL-2
class I D. IL-21
D. Absence of MHC class II