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1. Question
A client arrives at the clinic complaining of fatigue, lack of energy, constipation, and depression. Hypothyroidism is diagnosed, and levothyroxine is prescribed. What is an expected outcome of the medication?
Correct
Answer: Option 4 is the correct answer.
Rationale: Laboratory determinations of the serum thyroidstimulating hormone (TSH) level are an important means of evaluation. Successful therapy causes elevated TSH levels to decline. These levels begin their decline within hours of the onset of therapy and continue to decrease as plasma levels of thyroid hormone build up. If an adequate dosage is administered, TSH levels remain suppressed for the duration of therapy. Although energy levels may increase and the client’s mood may improve following effective treatment, these are not noted until normal thyroid hormone levels are achieved with medication therapy. An increase in the blood glucose level is not associated with this condition.
Test-Taking Strategy: Focus on the subject, therapeutic effects of this medication. Note the words expected outcome. Relate the diagnosis of hypothyroidism with thyroid hormone levels in the correct option.
Incorrect
Answer: Option 4 is the correct answer.
Rationale: Laboratory determinations of the serum thyroidstimulating hormone (TSH) level are an important means of evaluation. Successful therapy causes elevated TSH levels to decline. These levels begin their decline within hours of the onset of therapy and continue to decrease as plasma levels of thyroid hormone build up. If an adequate dosage is administered, TSH levels remain suppressed for the duration of therapy. Although energy levels may increase and the client’s mood may improve following effective treatment, these are not noted until normal thyroid hormone levels are achieved with medication therapy. An increase in the blood glucose level is not associated with this condition.
Test-Taking Strategy: Focus on the subject, therapeutic effects of this medication. Note the words expected outcome. Relate the diagnosis of hypothyroidism with thyroid hormone levels in the correct option.
Levothyroxine sodium is a synthetic thyroid hormone. The endogenous thyroid hormones, T3 and T4, diffuse into the cell nucleus and bind to thyroid receptor proteins attached to DNA. This hormone nuclear receptor complex activates gene transcription and synthesis of messenger RNA and cytoplasmic proteins.
