The home health nurse observes that a female client is using a topical preparation that contains echinacea to treat a canker sore. Her husband expresses concern regarding the effectiveness and safety of using herbs. How should the nurse respond?

Many of the herbal preparations are helpful primarily because of their placebo effect.

This product is essentially harmless but also is not very beneficial in treating skin infections.

Topical echinacea is usually used to soothe burns and can cause damage to the skin.

Echinacea seems to be useful in the treatment of some infections, such as canker sores.

Answer and Explanation

The Correct Answer is D

A. Many of the herbal preparations are helpful primarily because of their placebo effect:
While placebo effects can play a role, many herbal preparations, including echinacea, have been studied for their potential therapeutic benefits beyond placebo effects. This statement oversimplifies and may dismiss valid efficacy.

B. This product is essentially harmless but also is not very beneficial in treating skin infections:
Echinacea is generally considered safe for topical use and has been used for various infections, including canker sores. This statement underestimates the potential benefits of echinacea in treating certain conditions.

C. Topical echinacea is usually used to soothe burns and can cause damage to the skin:
Topical echinacea is commonly used for various skin conditions, but it is not typically associated with causing skin damage. The statement may create unnecessary concern.

D. Echinacea seems to be useful in the treatment of some infections, such as canker sores:
Echinacea has been used traditionally and in some studies for its antimicrobial properties, which may be beneficial for certain infections, including canker sores. This statement acknowledges its potential utility without dismissing its benefits.

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Correct Answer is C

Explanation

A. Hemoglobin level of 13.5 g/dL (135 g/L):
Sodium polystyrene sulfonate is used to manage hyperkalemia, not to affect hemoglobin levels. While a hemoglobin level of 13.5 g/dL is within the normal range, it does not indicate the effectiveness of sodium polystyrene sulfonate.

B. Serum ammonia level of 30 μg/dL (17.62 μmol/dL):
Sodium polystyrene sulfonate is not used to manage ammonia levels; it is used to lower elevated potassium levels. Thus, a serum ammonia level of 30 μg/dL does not reflect the effectiveness of the medication.

C. Serum potassium level of 3.8 mEq/L (3.8 mmol/L):
Sodium polystyrene sulfonate is specifically used to treat hyperkalemia (high potassium levels). A serum potassium level of 3.8 mEq/L is within the normal range, indicating that the medication has effectively reduced elevated potassium levels.

D. Serum glucose level of 120 mg/dL (6.7 mmol/L):
Sodium polystyrene sulfonate does not affect glucose levels. A glucose level of 120 mg/dL is slightly elevated but unrelated to the effectiveness of the potassium-lowering medication.

A. Offer both drugs together with a meal. B. Administer iodine one hour before PTU. C. Schedule both medications at bedtime. D. Give parental dose once every 24 hours.

Correct Answer is B

Explanation

A. Offer both drugs together with a meal:
Propylthiouracil (PTU) and Lugol's solution are typically not administered together with a meal. Lugol's solution, a strong iodine solution, is generally taken separately from PTU to avoid potential interactions and ensure optimal absorption of each medication.

B. Administer iodine one hour before PTU:
Lugol’s solution (iodine) is usually given before PTU because iodine can decrease the vascularity of the thyroid gland and make the thyroid gland less active, which helps PTU work more effectively. This timing helps optimize the therapeutic effects of both medications.

C. Schedule both medications at bedtime:
The timing of administration for PTU and Lugol’s solution is based on their specific interactions and pharmacokinetics rather than convenience. Scheduling them at bedtime does not align with the recommended practice for their optimal effectiveness.

D. Give parental dose once every 24 hours:
Both PTU and Lugol’s solution are not administered as a single dose every 24 hours. PTU is typically given multiple times per day to maintain effective blood levels, and Lugol’s solution is usually given as directed by the healthcare provider, often several times a day but not necessarily in a single 24-hour dose.

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The home health nurse observes that a female client is using a topical preparation that contains echinacea to treat a canker sore. Her husband expresses concern regarding the effectiveness and safety of using herbs. How should the nurse respond?

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Naxlex Comprehensive Predictor Exams

Correct Answer is C

Explanation

The healthcare provider prescribes propylthiouracil (PTU) and Lugol's solution, a strong iodine solution, for a client with hyperthyroidism. How should the nurse schedule the administration of these medications?

Correct Answer is B

Explanation

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