A 14-Month-Old Boy Is Evaluated for Failure to Thrive and Developmental

question 48

Multiple Choice

A 14-month-old boy is evaluated for failure to thrive and developmental delay.  His mother reports that at 12 months he could barely lift his head and had difficulty sitting unsupported.  The toddler has not started babbling or forming words.  He is at the 10th percentile for height and 5th percentile for weight.  Laboratory results are as follows: Urine specimens contain large amounts of orotic acid crystals.  Supplementation with which of the following substances would most likely benefit this patient?

• A)Ascorbic acid
• B)Folic acid
• C)Guanine
• D)Iron
• E)Pyridoxine
• F)Uridine

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Definitions:

Mathematical Operator

Symbols used in mathematics to represent operations such as addition (+), subtraction (-), multiplication (*), and division (/).

Division

A mathematical operation that entails determining how many times one number (the divisor) is contained within another number (the dividend).

Wildcard

A character used in search operations to represent one or more other characters, enabling flexible searching.

Mathematical Function

A relation or expression involving one or more variables, defining how each variable is related to one another and the outcomes of specific inputs.