Which of the Following Is the Most Likely Explanation for Hypothyroidism

question 32

Multiple Choice

Which of the following is the most likely explanation for hypothyroidism in a patient whose iodine level is normal?

• A)a disproportionate production of T3 to T4
• B)hyposecretion of TSH
• C)hypersecretion of TSH
• D)hypersecretion of MSH
• E)a decrease in the thyroid secretion of calcitonin

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Definitions:

Impermeable Shale

A sedimentary rock composed of clay minerals that has low permeability, inhibiting the flow of fluids through it.

Truncated Oil-bearing

Refers to oil reservoirs that have been cut off or shortened, often by geological processes such as erosion or faulting.

Anticline

A type of geological fold characterized by an arch-like shape where the oldest rocks are at the core.

Fault Trap

A geological structure where displaced strata create a trap that can contain fluids such as oil or gas.