A 65-Year-Old with Persistent Diarrhea Is Found to Be Severely

question 3

Multiple Choice

A 65-year-old with persistent diarrhea is found to be severely underweight and to have a hematocrit of 26% with mean corpuscular volume of 110 fl. Her peripheral blood smear shows oversized red blood cells with bizarre shapes. What is the most likely cause of her anemia?

• A)Iron deficiency due to intestinal blood loss
• B)Absence of erythropoietin because of poor nutrition
• C)Gastrointestinal cancer
• D)Deficiency of folate, and potentially also vitamin B₁₂
• E)Aplastic anemia

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A statistical measure that quantifies the strength and direction of a linear relationship between two quantitative variables.

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A statistical method for modeling the relationship between a dependent variable and one or more independent variables.