The nurse is providing client teaching regarding the administration of levothyroxine.
What is the nurse’s priority teaching point?
“Remain in the upright position for 30 minutes after taking it.”.
“Take the medication with a full glass of water.”.
“Take the medication before going to bed at night.”.
“Take the medication after breakfast.”.
The Correct Answer is B
Levothyroxine is a synthetic thyroid hormone that is used to treat hypothyroidism. It should be taken on an empty stomach, preferably in the morning, with a full glass of water to facilitate absorption and prevent choking. Taking the medication with food or other substances may interfere with its effectiveness.
Choice A is wrong because levothyroxine does not need to be taken after breakfast.
In fact, taking it after breakfast may reduce its absorption and efficacy.
Choice C is wrong because levothyroxine does not require the patient to remain in the upright position for 30 minutes after administering.
This instruction is more applicable to bisphosphonates, which are drugs used to treat osteoporosis.
Choice D is wrong because levothyroxine should not be taken at night.
Taking it at night may cause insomnia, as well as reduced absorption and efficacy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Glargine is a long-acting insulin that can provide a steady level of insulin for up to 24 hours. This would be suitable for a client who does not want to administer insulin on the plane, as they would only need one injection per day.
Choice A. Aspart is wrong because aspart is a rapid-acting insulin that has a peak effect within 1 to 3 hours and lasts for 3 to 5 hours.
This would require frequent injections and monitoring of blood glucose levels.
Choice B. Lispro is wrong because lispro is also a rapid-acting insulin that has a similar onset and duration as aspart.
It would not provide adequate coverage for a long international flight.
Choice C. Glulisine is wrong because glulisine is another rapid-acting insulin that has an onset of 15 minutes and a duration of 2 to 4 hours.
It would also require multiple injections and frequent blood glucose checks.
Normal ranges for blood glucose levels are 70 to 130 mg/dL before meals and less than 180 mg/dL after meals.
Correct Answer is C
Explanation
Propylthiouracil (PTU) is an antithyroid drug that blocks the synthesis of thyroid hormones by interfering with the oxidation of iodine and the coupling of iodotyrosines.
This reduces the levels of triiodothyronine (T) and thyroxine (T) in the blood and relieves the symptoms of hyperthyroidism.
Choice A is wrong because PTU does not destroy any part of the thyroid gland.
It only inhibits the production of thyroid hormones within the gland.
Choice B is wrong because PTU does not suppress the anterior pituitary gland’s secretion of thyroid-stimulating hormone (TSH).
TSH is a hormone that stimulates the thyroid gland to produce thyroid hormones.
PTU does not affect the feedback loop between the hypothalamus, pituitary, and thyroid glands.
Choice D is wrong because PTU does not suppress the hypothalamus’s production of thyrotropin-releasing hormone (TRH).
TRH is a hormone that stimulates the pituitary gland to secrete TSH.
PTU does not affect the feedback loop between the hypothalamus, pituitary, and thyroid glands.
Normal ranges for T are 80 to 220 ng/dL, for T are 4.5 to 11.2 mcg/dL, and for TSH are 0.4 to 4.0 mIU/L.
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