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You are caring for a client with hypothyroidism that is taking levothyroxine (Synthroid). The client reports diarrhea, weight loss, palpitations, and heat intolerance. You suspect which of the following adverse effects of this drug?

A.

Hypothyroidism

B.

Thyrotoxicosis

C.

Addison's Disease

D.

Cushing's Disease

Answer and Explanation

The Correct Answer is B

A. Hypothyroidism: This is incorrect. The client is taking levothyroxine (Synthroid) to treat hypothyroidism, and the symptoms described (diarrhea, weight loss, palpitations, heat intolerance) are more likely associated with excess thyroid hormone, not a lack of it. 

B. Thyrotoxicosis: This is correct. The symptoms the client is experiencing—diarrhea, weight loss, palpitations, and heat intolerance—are classic signs of thyrotoxicosis, which occurs when there is an excess of thyroid hormone, possibly due to overtreatment with levothyroxine. These symptoms indicate that the thyroid hormone dose might need adjustment. 

C. Addison's Disease: This is incorrect. Addison's disease is characterized by insufficient production of adrenal hormones and would typically manifest with symptoms such as fatigue, hypotension, and hyperpigmentation, not diarrhea or heat intolerance. 

D. Cushing's Disease: This is incorrect. Cushing's disease is caused by excess cortisol and would typically result in symptoms such as weight gain, high blood pressure, and a round "moon" face, rather than the symptoms described in the question.


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Related Questions

Correct Answer is {"dropdown-group-1":"A","dropdown-group-2":"C"}

Explanation

  • Lispro (Humalog): This is a rapid-acting insulin with an onset of action of 15 to 30 minutes, making it effective for controlling blood sugar spikes after meals.
  • Glargine: This is a long-acting insulin that provides a steady level of insulin over 24 hours, helping to maintain baseline blood glucose levels.

Correct Answer is A

Explanation

A. Prolonged QT interval – This is correct. Ondansetron can cause prolongation of the QT interval, increasing the risk of arrhythmias, including torsades de pointes. This is a serious complication that requires monitoring, particularly in clients with cardiac risks.

B. Extrapyramidal symptoms – This is incorrect. Ondansetron does not typically cause extrapyramidal symptoms, which are more associated with dopamine antagonists like metoclopramide or prochlorperazine.

C. Nausea – This is incorrect. Ondansetron is specifically used to treat nausea and vomiting, not to cause them. If nausea persists, it may indicate treatment failure or another underlying issue.

D. Vomiting – This is incorrect. Ondansetron is an antiemetic and works to prevent vomiting. Vomiting would not be a complication of this medication under proper use.

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