Final answer:
To estimate the hemoglobin concentration in a canine's blood, divide the PCV by 3. This method provides a rough estimation of hemoglobin in g/dL, appropriate for quick assessments but not for precise medical decisions. The correct option is B.
Step-by-step explanation:
To estimate the hemoglobin concentration in the blood of a canine, simply divide the packed cell volume (PCV) by 3.
This quick estimation guide stems from the fact that, typically, a gram of hemoglobin corresponds to about 3 mL of erythrocytes.
Therefore, by dividing the PCV value (expressed as a percentage) by 3, one can get a rough estimate of the hemoglobin concentration in g/dL (grams per deciliter).
For example, if a dog has a PCV of 45%, you would estimate the hemoglobin to be approximately 15 g/dL, using the formula: Estimated Hemoglobin (g/dL) = PCV (%) / 3
This estimation method is useful for quick assessments but may not take into account individual variations or the accuracy needed for certain medical decisions. The correct option is B.