Which of the following phenotypes is most indicative of a natural killer (NK) cell? Please select the single best answer CD2+ CD3+ CD5+ CD7+ CD2+ CD3– CD11b+ CD16+ CD11b+ CD16+ CD33+ CD56– CD19+ CD20+ CD22+ CD57–

Correct answer is B. Because it expresses the Nature killer cells

Answered: Which of the following phenotypes is…

Basic Clinical Laboratory Techniques 6E

6th Edition

ISBN:9781133893943

Author:ESTRIDGE

Publisher:ESTRIDGE

Chapter4: Basic Immunology And Immunohematology

Section4.7: Rh Typing

Problem 8RQ

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Figure 42.11 Which of the following statements about T cells is false? Helper T cells release cytokines while cytotoxic T cells kill the infected cell. Helper T cells are CD4+, while cytotoxic T cells are CD8+. MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. The T cell receptor is found on both CD4+ and CD8+ T cells.
Can you postulate a reason or reasons why children with Down syndrome are 20 times more likely to develop leukemia than children in the general population?
Which innate immune system component uses MHC class I molecules directly in its defense Strategy? a. macrophages b. neutrophils c. NK cells d. interferon
A potential cause of acquired autoimmunity is _______. a. tissue hypersensitivity b. molecular mimicry c. histamine release d. radiation exposure
Figure 17.17 The Rh antigen is found on Rh-positive red blood cells. An Rh-negative female can usually carry an Rh-positive fetus to term without difficulty. However, if she has a second Rh-positive fetus, her body may launch an immune attack that causes hemolytic disease of the newborn. Why do you think hemolytic disease is only a problem during the second or subsequent pregnancies?
What is the difference between an allergy and an autoimmune response?
Match the immune cell with its main function. ___dendritic cell a. professional phagocyte ___B cell b. antigen-presenter ___helper T cell c. activates other lymphocytes ___NK cell d. makes antibodies ___macrophage e. kills ailing body cells that lack MHC markers
Distinguish between a. neutrophil and macrophage b. cytotoxic T cell and natural killer cell c. effector cell and memory cell d. antigen and antibody
Organ Transplants Must Be Immunologically In the human HLA system there are 23 HLA-A alleles, 47 for HLA-B, 8 for HLA-C, 14 for HLA-DR, 3 for HLA-DQ, and 6 for HLA-DP. How many different human HLA genotypes are possible?
Which sequence most accurately describes antibody-mediated immunity? 1. B cell divides and gives rise to clone 2. antibodies produced 3. cells differentiate and form plasmacells 4. activated T helper cell interacts with B cell displaying same antigen complex 5. B cell activated (a) 1, 2, 3, 4, 5 (b) 3, 2, 1, 4, 5 (c) 4, 5, 3, 2, 1 (d) 4, 5, 1,3, 2 (e) 4, 3, 1, 2, 5
What is the difference between innate immunity and adaptive immunity?
Figure 42.16 The Rh antigen is found on Rh positive red blood cells. An Rh-negative female can usually carry an Rh-positive fetus to term without difficulty. However, if she has a second Rh-positive fetus, her body may launch an immune attack that causes hemolytic disease of the newborn. Why do you think hemolytic disease is only a problem during the second or subsequent pregnancies?

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	CD2+ CD3+ CD5+ CD7+
	CD2+ CD3– CD11b+ CD16+
	CD11b+ CD16+ CD33+ CD56–
	CD19+ CD20+ CD22+ CD57–