The Correct Answer is {"dropdown-group-1":"B"}
A. Spectrin: As noted earlier, this is a protein that helps maintain the shape of red blood cells.
B. Hematocrit: A hematocrit test measures the "packed cell volume" to see what percentage of whole blood is made up of red blood cells.
C. Hematopoiesis: This is the physiological process of blood cell formation, not a measurement.
D. Hemocytometer: This is a specialized slide used to count individual cells under a microscope, but it does not measure the volume percentage directly like a centrifuge/hematocrit.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. leukocytosis: This refers to an abnormally high white blood cell count, often indicating infection.
B. leukopenia: The suffix "-penia" means deficiency or poverty. Leukopenia is a decrease in the number of white blood cells.
C. differential white blood cell count: This is a lab test that counts the percentage of each specific type of white blood cell (neutrophils, lymphocytes, etc.).
D. hemostasis: This is the physiological process that stops bleeding.
Correct Answer is B
Explanation
A. Glycerol: This is a component of triglycerides, not Vitamin D.
B. Steroids: Vitamin D is a fat-soluble vitamin synthesized from cholesterol (a steroid) in the skin when exposed to UV light.
C. Prostaglandins: These are tissue hormones derived from fatty acids, not vitamins.
D. Fatty acids: While Vitamin D is fat-soluble, its chemical structure is classified as a secosteroid.
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