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White blood cell: Quiz


Question 1: ________: Natural killer cells are able to kill cells of the body which are displaying a signal to kill them, as they have been infected by a virus or have become cancerous.
Immune systemB cellCytotoxic T cellNatural killer cell

Question 2: Likewise, low ________ levels are termed lymphopenia.
LymphocyteAdaptive immune systemThymocyteImmune system

Question 3: White blood cells (WBCs), or leukocytes (also spelled "leucocytes"), are cells of the ________ defending the body against both infectious disease and foreign materials.
Toll-like receptorLymphatic systemAdaptive immune systemImmune system

Question 4: ________: virus-infected and tumor cells.
Immune systemB cellCytotoxic T cellNatural killer cell

Question 5:
  • ________ (helper) T cells co-ordinate the immune response and are important in the defense against intracellular bacteria.

Question 6: There are normally between 4×109 and 1.1×1010 white blood cells in a ________ of blood, making up approximately 1% of blood in a healthy adult.
LitreUnited States customary unitsMetric systemPint

Question 7: Five[1] different and diverse types of leukocytes exist, but they are all produced and derived from a multipotent cell in the ________ known as a hematopoietic stem cell.
Immune systemBone marrowSpleenLymphatic system

Question 8: For example, if the number of ________ is low, the condition is known as neutropenia.
GranulocytePhagocyteEosinophil granulocyteNeutrophil granulocyte

Question 9: The physical properties of leukocytes, such as volume, conductivity, and granularity, may change due to activation, the presence of immature cells, or the presence of malignant leukocytes in ________.
LeukemiaAcute biphenotypic leukaemiaLeukemoid reactionHematological malignancy

Question 10:
White blood cell, Immune system and ELISA are all:
Immunology Leukocytes Immune system Hematology


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