A Patient Has a Free T₄ Level of 0

question 4

Multiple Choice

A patient has a free T₄ level of 0.6 ng/dL and a free T₃ level of 220 pg/dL. When asked by the patient what these laboratory values mean, how will the provider respond?

• A) "These laboratory values indicate that you may have Graves disease."
• B) "These results suggest you may have hyperthyroidism."
• C) "We will need to obtain a total T₄ and a total T₃ to tell for sure."
• D) "We will need to obtain a TSH level to better evaluate your diagnosis."

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Definitions:

Superficial

Located near the surface of the body or an organ.

Pulse Pressure

The difference between systolic and diastolic blood pressure readings, reflecting the force that the heart generates each time it contracts.

Arterial Pressure

The pressure of the blood within the arteries, typically reflecting the force exerted by the heart when pumping blood through the arterial system.

Systolic Pressure

The top number in a blood pressure reading, representing the maximum pressure your heart exerts while beating.