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 A
Explanation
Choice A reason: An elevated oral temperature of 38.2°C (100.76°F) postoperatively can indicate an infection, which is a common complication after surgical procedures. In the context of TURP, a fever could suggest a urinary tract infection or sepsis, especially if accompanied by other symptoms such as chills or an elevated white blood cell count.
Choice B reason: The output of burgundy-colored urine can be expected in the immediate postoperative period following a TURP due to bleeding. However, it should gradually lighten in color. Persistent or worsening hematuria could indicate a complication, but it is not uncommon to see some blood in the urine shortly after the procedure
Choice C reason: A pulse rate of 88/min is within the normal range (60-100 beats per minute) and is not typically indicative of a postoperative complication. It is important to consider the patient's baseline heart rate and any other symptoms they may be experiencing.
Choice D reason: Feeling an urge to void despite having an indwelling urinary catheter can occur due to bladder spasms or irritation from the catheter itself. While uncomfortable, this sensation is not uncommon after TURP and does not necessarily indicate a complication.
Correct Answer is D
Explanation
Choice A reason:
It is important to keep a Plaster of Paris cast dry because moisture can weaken the cast and irritate the skin underneath. Therefore, the cast should be covered while showering to prevent it from getting wet.
Choice B reason:
Applying ice to the foot after walking can help reduce swelling and provide pain relief. It is a common recommendation for managing discomfort associated with a walking cast. The ice should be applied over the cast at the level of the injury for 15-30 minutes, repeating every few hours for the first few days.
Choice C reason:
While a musty odor can develop over time due to sweat and lack of air circulation, it is not necessarily normal and could indicate a problem such as an infection. If there is a persistent unpleasant odor, it should be evaluated by a healthcare provider.
Choice D reason:
Numbness or pain in the toes can be a sign of compromised circulation or nerve compression and should be reported immediately. It is crucial to monitor for any changes in sensation or increased pain, as these could indicate a serious issue that requires medical attention.
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