Which cell type differentiates into macrophages once it leaves the blood and migrates to the tissues?
Dendritic cells
Bacterial cells
Natural killer cells.
Monocyte cells
The Correct Answer is D
A. Dendritic cells: Dendritic cells are antigen-presenting cells that originate from precursor cells in the bone marrow, but they do not differentiate from monocytes.
B. Bacterial cells: Bacterial cells are pathogens and do not differentiate into any immune cells.
C. Natural killer cells: Natural killer cells are a type of lymphocyte involved in the innate immune response but do not differentiate from monocytes.
D. Monocyte cells: Monocytes are a type of white blood cell that, upon migrating into tissues, differentiate into macrophages, which play a key role in phagocytosis and immune response.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Early spermatid: Early spermatids are haploid cells, round in shape, and have a central nucleus with a significant amount of cytoplasm.
B. Spermatogonium: Spermatogonia are diploid cells found in the basal layer of the seminiferous tubules and are not haploid.
C. Late spermatid: Late spermatids are more elongated and less round as they are close to maturing into sperm.
D. Primary spermatocyte: Primary spermatocytes are diploid cells that undergo meiosis to produce haploid spermatids.
Correct Answer is A
Explanation
A. Fibroblasts: Fibroblasts are responsible for synthesizing the extracellular matrix and collagen, which are essential for tissue repair and healing after an injury.
B. Complement cells: Incorrect. Complement cells are part of the immune response that helps to mark pathogens for destruction, but they do not proliferate during tissue repair.
C. Prostaglandins: Incorrect. Prostaglandins are lipid compounds that play a role in inflammation and pain but are not cells and do not proliferate.
D. Leukotrienes: Incorrect. Leukotrienes are inflammatory mediators involved in the immune response but do not proliferate during tissue repair.
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