A nurse is caring for a client who reports increased anxiety and nervousness, heat intolerance, and unintentional weight loss. Blood testing reveals decreased thyroid-stimulating hormone (TSH), elevated thyroxine (T4), and elevated triiodothyronine (T3) levels. Which of the following vital sign abnormalities does the nurse anticipate?
Hypotension
Tachycardia
Slow respiratory rate
Decreased body temperature
The Correct Answer is B
A. Hypotension: Hyperthyroidism typically causes increased cardiac output and can lead to normal or elevated blood pressure, not hypotension.
B. Tachycardia. Elevated thyroid hormones increase metabolic rate and sympathetic nervous system activity, leading to tachycardia.
C. Slow respiratory rate: There is no direct effect of hyperthyroidism on respiratory rate.
D. Decreased body temperature: Hyperthyroidism is associated with increased metabolism, which can lead to heat intolerance and increased body temperature, not decreased.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. "Exposure to sunlight will help to strengthen your eyes.": Sunlight exposure is not recommended as it can exacerbate symptoms.
B. "These are unusual symptoms. I will ask the provider for an ophthalmology referral.": These symptoms are characteristic of Graves' ophthalmopathy and do not require an immediate referral unless severe.
C. "Eye drops and dim lighting can improve your symptoms." These interventions can help alleviate discomfort associated with dryness and light sensitivity in hyperthyroidism-related eye changes (Graves' ophthalmopathy). Dim lighting reduces glare, which can be uncomfortable for clients with sensitivity to light. Eye drops can provide lubrication for dry eyes.
D. "Surgery will be necessary to correct the damage to your eyes.": Surgery is considered for severe cases or when other treatments fail, not typically as an initial intervention.
Correct Answer is B
Explanation
A. "DIC is characterized by an elevated platelet count." Incorrect; DIC typically causes thrombocytopenia.
B. "DIC is caused by abnormal coagulation involving fibrinogen." DIC involves widespread activation of coagulation factors leading to the formation of microthrombi and consumption of clotting factors like fibrinogen. Understanding the pathophysiology helps in managing DIC effectively.
C. "DIC is controllable with lifelong heparin usage." Heparin is not used in DIC management due to the risk of bleeding.
D. "DIC is a genetic disorder involving a vitamin K deficiency." DIC is not genetic and is not caused by vitamin K deficiency.
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