A 1-Week-Old Newborn Is Seen for Abnormal Thyroid Function Tests

question 171

Multiple Choice

A 1-week-old newborn is seen for abnormal thyroid function tests that were performed as part of routine screening.  Serum thyroxine (T4) was low and serum TSH was normal.  The patient was born by spontaneous vaginal delivery at 40 weeks of gestation to a 28-year-old primigravida.  During the pregnancy, the mother took acetaminophen intermittently for low back pain.  Examination of the newborn shows no abnormal findings.  Repeat thyroid function test results are as follows: Which of the following is the most likely cause of the patient's abnormal thyroid function tests?

• A)Decreased T4 to triiodothyronine conversion
• B)Deficiency of thyroxine-binding globulin
• C)Hypoalbuminemia
• D)Hypopituitarism
• E)Thyroid dysgenesis

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Definitions:

Labor-Management Partnership

An arrangement where labor unions and management work together cooperatively to make decisions and solve problems, with the goal of improving service delivery and organizational efficiency.

Daily Work-Related

Pertaining to the tasks, activities, and responsibilities that are part of an individual's routine job on a day-to-day basis.

Traditional Management

A leadership approach characterized by hierarchical organizational structures and clear, top-down directives focused on efficiency and control.

Sense of Alienation

A feeling of disconnection or estrangement individuals may experience within their workplace or society.