Which Compound Would Be LEAST Likely to Appear in Above-Normal

question 153

Multiple Choice

Which compound would be LEAST likely to appear in above-normal amounts in the urine of an infant with untreated phenylketonuria?

• A) phenylpyruvic acid
• B) phenyllactic acid
• C) tyrosine
• D) phenylacetic acid
• E) phenylalanine

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Definitions:

Biceps Brachii

A muscle located in the upper arm that flexes the elbow and rotates the forearm, consisting of two heads.

Reflex Hammer

A medical tool used by practitioners to test deep tendon reflexes, aiding in the diagnosis of neurological conditions that affect reflexes.

Tendon

is a strong, flexible band of fibrous tissue that connects muscles to bones, allowing force to be transmitted and producing movement.

Reflex Arc

The neural pathway that mediates a reflex action, involving sensory receptors, nerves, and the spinal cord.