A Laboratory Test Finding Helpful in Confirming the Diagnosis of Iron-Deficiency

question 26

Multiple Choice

A laboratory test finding helpful in confirming the diagnosis of iron-deficiency anemia is

• A) elevated total iron-binding capacity.
• B) elevated MCHC and MCV.
• C) elevated total and indirect bilirubin.
• D) positive direct or indirect Coombs test.

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Definitions:

Chromosomes 21

One of the 23 pairs of chromosomes in humans; an abnormality in the number of chromosome 21 leads to Down syndrome.

Genetic Disorder

A disease or condition caused by an abnormality in an individual's DNA, ranging from small mutations to large chromosomal changes.

Codominance

A genetic scenario where two alleles of a gene pair in a heterozygote are fully expressed, resulting in offspring with a phenotype that is neither dominant nor recessive.

ABO Blood Group

A classification system for human blood based on the presence or absence of antibodies and inherited antigenic substances on the surface of red blood cells.