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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason:
Telling a client that they will be at an increased risk of breast cancer due to fibrocystic breast changes would be incorrect. Fibrocystic breast changes are not directly linked to an increased risk of breast cancer. While the presence of complex fibrocystic changes may slightly elevate the risk, fibrocystic breasts themselves are a common and benign condition.
Choice B reason:
It is not accurate to say that the manifestations of fibrocystic breasts often get worse after menopause. In fact, fibrocystic changes are related to hormone levels, and most women experience relief from these symptoms after menopause when hormone levels decline.
Choice C reason:
Stating that menopause won't have any effect on the manifestations is also incorrect. Menopause typically leads to a decrease in hormone levels, which are associated with fibrocystic breast changes. Therefore, most women see an improvement in their symptoms after menopause.
Choice D reason:
The most appropriate response is that the manifestations usually go away after menopause. Fibrocystic breast changes are linked to hormonal fluctuations, and after menopause, when these fluctuations cease, the symptoms of fibrocystic breasts typically resolve.
Correct Answer is ["A","C","D"]
Explanation
The correct answer is: a. Temperature, c. Color, d. Sensation.
Choice A: Temperature
Reason: Monitoring the temperature of the affected extremity is crucial in evaluating neurovascular status. A cool or cold extremity can indicate decreased perfusion, which may be a sign of neurovascular compromise. Normal skin temperature should be warm to the touch, indicating adequate blood flow.
Choice B: Ecchymosis
Reason: Ecchymosis, or bruising, is not a direct indicator of neurovascular status. While it can provide information about trauma or bleeding, it does not assess the functionality of nerves or blood vessels in the affected extremity.
Choice C: Color
Reason: Assessing the color of the extremity is essential. Pallor or cyanosis can indicate poor blood flow or oxygenation, which are critical signs of neurovascular impairment. Normal color should be consistent with the rest of the body, indicating good circulation.
Choice D: Sensation
Reason: Evaluating sensation helps determine if there is any nerve damage or impairment. Changes in sensation, such as numbness or tingling, can indicate neurovascular compromise. Normal sensation should be intact and symmetrical with the unaffected extremity.
Choice E: Skin Integrity
Reason: While skin integrity is important for overall wound healing and infection prevention, it is not a primary parameter for assessing neurovascular status. It does not provide direct information about blood flow or nerve function.
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