Leukocytes can undergo diapedesis. What is diapedesis?
The formation of a network of fibrin fibers.
The release of the contents of cytoplasmic granules.
The ability to rapidly divide, increasing the number of a particular type of leukocyte.
The ability of cells to squeeze between cells of capillary walls.
The Correct Answer is D
A. The formation of a network of fibrin fibers: This describes fibrin clot formation/coagulation, not diapedesis.
B. The release of the contents of cytoplasmic granules: This is degranulation (e.g., in mast cells, neutrophils), not diapedesis.
C. The ability to rapidly divide, increasing the number of a particular leukocyte: This describes cell proliferation, not diapedesis.
D. The ability of cells to squeeze between cells of capillary walls: Diapedesis -leukocytes migrating out of the bloodstream by squeezing between endothelial cells.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Cellular respiration: Cellular respiration (glycolysis, Krebs cycle, oxidative phosphorylation) produces ATP
B. External respiration: External respiration is gas exchange between lungs and blood, not the ATP-producing biochemical process
C. Ventilation: Ventilation (breathing) moves air in/out of lungs but does not itself synthesize ATP
D. Internal respiration: Internal respiration is gas exchange between blood and tissues, not the intracellular ATP-producing pathways
Correct Answer is {"dropdown-group-1":"B"}
Explanation
Correct answer: Esophagus
The esophagus is the muscular alimentary tube that runs posterior to the trachea from the pharynx to the stomach; a tube positioned behind the heart/sternum on the model marked X corresponds to the esophagus.
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