University revision · Hematology

Erythrocytes (Red Blood Cells)

Question 1 of 37 Course: Biomedical Science(Degree)

Which parameter on a complete blood count (CBC) provides an estimate of the average hemoglobin concentration within a red blood cell?

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False. While the fecal-oral route is the primary mode of transmission for most intestinal protozoa (e.g., Giardia, Entamoeba, Balantidium, Cryptosporidium), there are important exceptions. Trichomonas vaginalis, a medically important protozoan, is transmitted almost exclusively through sexual contact, not the fecal-oral route. It inhabits the urogenital tract. Additionally, some intestinal protozoa can have alternate, less common routes. For example, Cryptosporidium can also be transmitted via respiratory secretions in certain settings, and Giardia can be transmitted through sexual practices involving oral-anal contact. Therefore, the statement is not absolute; transmission routes can vary by species and context.

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