The nurse is aware that thyroid hormone production is dependent on the intake of.

iodine

sodium and potassium

fats and vitamins

carbohydrates and minerals

Answer and Explanation

The Correct Answer is A

Rationale:

A. Iodine: Thyroid hormone production is highly dependent on iodine, which is used by the thyroid gland to produce thyroid hormones T3 (triiodothyronine) and T4 (thyroxine). Without sufficient iodine, the thyroid cannot produce these hormones, leading to hypothyroidism.

B. Sodium and potassium: While sodium and potassium are important for overall body function, they do not play a direct role in thyroid hormone production. These electrolytes are more involved in fluid balance, nerve function, and muscle contraction.

C. Fats and vitamins: While certain vitamins (such as vitamin D) may influence thyroid function, fats do not directly contribute to the production of thyroid hormones. Iodine is the key nutrient for thyroid hormone synthesis.

D. Carbohydrates and minerals: Carbohydrates provide energy, and minerals like selenium can support thyroid function, but iodine is the primary mineral required for the production of thyroid hormones.

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Correct Answer is D

Explanation

A. Bulging eyeballs: Bulging eyeballs (exophthalmos) is typically associated with hyperthyroidism, particularly in Graves' disease, not hypothyroidism. In myxedema (severe hypothyroidism), eye changes are not characterized by bulging.

B. Thin silky hair: Hypothyroidism is more likely to cause dry, coarse hair, not thin or silky hair. Hair thinning is common, but it tends to become more brittle and coarse in hypothyroidism.

C. Fine muscle tremors: Fine muscle tremors are more characteristic of hyperthyroidism. In hypothyroidism, the muscle tone is often reduced, and some patients may experience muscle weakness or cramping, rather than fine tremors.

D. Periorbital edema: Periorbital edema (swelling around the eyes) is a common finding in myxedema and hypothyroidism. It is due to the accumulation of mucopolysaccharides and water in the tissues, which is a hallmark of severe, untreated hypothyroidism.

A. Diarrhea B. Tachycardia C. Weight loss D. Cold intolerance

Correct Answer is D

Explanation

A. Diarrhea: This is more commonly associated with hyperthyroidism, where increased metabolism can lead to more frequent bowel movements. It is not typically a sign of hypothyroidism, which often leads to constipation.

B. Tachycardia: Tachycardia (increased heart rate) is a common sign of hyperthyroidism due to the increased metabolic rate. In hypothyroidism, the heart rate often slows down, leading to bradycardia.

C. Weight loss: Weight loss is typically associated with hyperthyroidism, where the increased metabolic rate causes the body to burn more calories. In contrast, hypothyroidism generally leads to weight gain due to a slowed metabolism.

D. Cold intolerance: Cold intolerance is a common symptom of hypothyroidism. People with hypothyroidism have a slowed metabolism, leading to difficulty regulating body temperature, and they often feel unusually cold, even in warm environments.

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The nurse is aware that thyroid hormone production is dependent on the intake of.

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Naxlex Comprehensive Predictor Exams

The nurse is performing an assessment on a client with a diagnosis of myxedema (hypothyroidism). Which assessment finding should the nurse expect to note in this client?

Correct Answer is D

Explanation

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Correct Answer is D

Explanation

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