A nurse in a clinic is reviewing the laboratory values of a client who has primary hypothyroidism. The nurse should anticipate an elevation of which of the following laboratory values?

Free T4

Thyroid stimulating hormone (TSH)

Serum T3

Serum T4

Answer and Explanation

The Correct Answer is B

Choice A reason:
In primary hypothyroidism, the thyroid gland is underactive and does not produce sufficient thyroid hormones, including Free T4. Therefore, we would not expect an elevation of Free T4 in primary hypothyroidism; instead, its levels would typically be low or normal.

Choice B reason:
Thyroid stimulating hormone (TSH) levels are elevated in primary hypothyroidism because the pituitary gland releases more TSH in an attempt to stimulate the thyroid gland to produce more thyroid hormones. This is a compensatory response to the low levels of circulating thyroid hormones, particularly thyroxine (T4).

Choice C reason:
Serum T3 levels may be low or normal in primary hypothyroidism. T3 is the active form of thyroid hormone and is usually converted from T4. If T4 levels are low, T3 levels may also be affected; however, T3 levels are not the primary diagnostic marker for hypothyroidism and do not typically show elevation in this condition.

Choice D reason:
Serum T4 levels are typically low in primary hypothyroidism because the thyroid gland is not producing enough of this hormone. An elevation of serum T4 would not be expected unless the patient is receiving treatment for hypothyroidism.

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Correct Answer is C

Explanation

Choice A reason:
Clay-colored stools are typically associated with issues in the biliary system, such as bile duct obstruction, and not directly with aspirin use. Aspirin, especially when used in high doses, is more commonly associated with gastrointestinal side effects like bleeding, which would likely cause dark or bloody stools rather than clay-colored ones.

Choice B reason:
Nystagmus, which is a vision condition characterized by repetitive, uncontrolled eye movements, is not a recognized side effect of aspirin. While aspirin can have effects on various systems in the body, it does not typically affect the muscles or nerves controlling eye movements.

Choice C reason:
Tinnitus, or ringing in the ears, is a well-documented adverse effect of aspirin, particularly when taken in high doses or for a prolonged period. It is related to the effect of aspirin on the inner ear structures and is usually reversible once the medication is stopped or the dosage is reduced.

Choice D reason:
Respiratory depression is not a typical side effect of aspirin. Aspirin can cause respiratory alkalosis in cases of overdose due to hyperventilation, but it does not cause respiratory depression. If respiratory depression occurs, it would likely be due to a different cause and not the aspirin itself.

A. Venous insufficiency B. Malnutrition C. Infection D. Continued pressure

Correct Answer is B

Explanation

Choice A reason:
Venous insufficiency can contribute to the development of chronic wounds, particularly in the lower extremities. It is characterized by the inability of the veins to adequately return blood from the legs back to the heart, which can lead to pooling of blood and increased pressure in the veins. This can cause skin changes and ulcers, particularly around the ankles.

Choice B reason:
Malnutrition is indeed a systemic cause of chronic wounds. Adequate nutrition is essential for wound healing, as it provides the necessary proteins, vitamins, and minerals that play a crucial role in the repair process. Protein-energy malnutrition, deficiencies in vitamins C and D, zinc, and other nutrients can impair wound healing and lead to chronic wounds.

Choice C reason:
Infection is typically a local rather than a systemic cause of chronic wounds. While systemic infections can affect wound healing, local wound infections are more directly responsible for delayed healing and the chronicity of wounds. Bacteria can colonize the wound and impede the healing process, leading to a chronic wound.

Choice D reason:
Continued pressure, much like infection, is generally a local cause of chronic wounds. It is most commonly associated with the development of pressure ulcers in individuals who are bedridden or have limited mobility. The constant pressure on certain areas of the body can lead to tissue ischemia and necrosis, resulting in a chronic wound.

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A nurse in a clinic is reviewing the laboratory values of a client who has primary hypothyroidism. The nurse should anticipate an elevation of which of the following laboratory values?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is C

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Explanation

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