Page 1290 - Clinical Immunology_ Principles and Practice ( PDFDrive )
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CHaPtEr 92 Flow Cytometry 1251.e1
MU lt IP l E-CHOICE QUES t IO n S
1. In flow cytometry compensation refers to a process that: A. Dedicator of cytokinesis 8 (DOCK8) deficiency
A. Distinguishes between leukocyte populations B. CD40 ligand deficiency
B. Eliminates overlapping fluorescent light signals C. Severe combined immunodeficiency
C. Provides the level of the cellular autofluorescence D. Wiskott-Aldrich syndrome
D. Converts analog light signals into digital signals
4. Which test would be indicated in a child with persistent
2. A flow cytometry setup with a combination of five different systemic nontuberculous infection not responsive to multiagent
monoclonal reagents, each with a different fluorochrome, antimicrobial drugs?
generates how many potential cell subsets? A. Dihydrorhodamine (DHR) assay
A. 8 B. Expression of CD18 on granulocytes
B. 16 C. Level of T-helper-1 (Th1) cell–based on intracellular
C. 32 interferon-γ (IFN-γ) expression
D. 64 D. Expression of the IFN-γ receptor type 1 on monocytes
3
3. The finding of a CD3 cell count of 285/mm and no
CD4/CD45RA cells in an infant is most consistent with which
diagnosis?
