A 40-Year-Old Patient Was Admitted to the Hospital with Acute

question 20

Multiple Choice

A 40-year-old patient was admitted to the hospital with acute cholecystitis and a palpable spleen. A CBC was performed: Hemoglobin, 13.0 g/dL; MCV, 80 fL; Hct, 38%; MCH, 28 pg; Retic, 7%; MCHC, 36%; RPI, 3.9; Coombs' test negative; spherocytes, 2+; anisocytosis, 2+; poikilocytosis, 2+. Which of the following disorders is consistent with the laboratory profile?

• A) Autoimmune hemolytic anemia
• B) Thalassemia
• C) Hereditary elliptocytosis (HE)
• D) Hereditary spherocytosis (HS)
• E) Hereditary pyropoikilocytosis (HPP)

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Definitions:

Probability Of Success

The likelihood that a specified event or outcome will occur, often utilized in the context of trials or experiments.

Variance

A measure of the dispersion, indicating how far individual numbers in a set are from the mean.

Increase

A rise or growth in quantity, size, number, value, or some other measure.

Binomial Distribution

A probability distribution that describes the number of successes in a fixed number of independent Bernoulli trials with the same probability of success.