a provider prescribes phenobarbital for a client who has a seizure disorder the medication has a long half life of 4 days how many times per day shou
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Nursing Elites

ATI RN

ATI Pharmacology Proctored Exam

1. A provider prescribes phenobarbital for a client who has a seizure disorder. The medication has a long half-life of 4 days. How many times per day should the nurse expect to administer this medication?

Correct answer: A

Rationale: Phenobarbital, with a long half-life of 4 days, remains at therapeutic levels in the body for an extended period. Due to this prolonged duration of action, the nurse should administer phenobarbital once a day to maintain a consistent therapeutic effect without the need for multiple daily doses. Administering the medication more than once a day would not be necessary and could increase the risk of side effects or toxicity. Therefore, the correct answer is to administer phenobarbital once a day.

2. Which of the following is the primary site of activity for the drug Warfarin?

Correct answer: B

Rationale: Warfarin primarily affects the liver where it inhibits the synthesis of clotting factors.

3. A client has a new prescription for Beclomethasone. Which of the following instructions should the nurse include in the teaching?

Correct answer: C

Rationale: The correct answer is C: 'Rinse your mouth after each use.' Beclomethasone can cause oral candidiasis (thrush) as an adverse effect. Rinsing the mouth after each use helps reduce the risk of developing thrush by removing any residue of the medication from the mouth, which can promote fungal growth. Choices A, B, and D are incorrect. Taking the medication with meals, increasing calcium-rich foods intake, or limiting fluid intake are not specific instructions related to minimizing the side effect of oral candidiasis associated with Beclomethasone.

4. A healthcare provider is caring for several clients who came to the clinic for a seasonal influenza immunization. The provider should identify that which of the following clients is a candidate to receive the vaccine via nasal spray rather than an injection?

Correct answer: B

Rationale: The correct answer is B. A 17-year-old can receive the influenza vaccine via nasal spray even if they have a hypersensitivity to penicillin, as this is not a contraindication for the influenza immunization. The nasal spray vaccine (LAIV) is a live attenuated vaccine that is suitable for healthy individuals aged 2-49 years. Pregnancy (choice C) is a contraindication for the nasal spray influenza vaccine. Children under 2 years of age (choice A) are also not candidates for the nasal spray. Taking a multivitamin supplement (choice D) is not a determining factor for the type of influenza vaccine a person should receive.

5. A client has been on levothyroxine therapy for several months. Which of the following findings indicates a therapeutic response to the medication?

Correct answer: D

Rationale: A therapeutic response to levothyroxine is indicated by a decrease in the level of TSH. This decrease signifies that the body requires less stimulation to produce thyroid hormone, reflecting a normalization of thyroid function due to the medication's effectiveness. Choices A, B, and C are incorrect as an increase in T4 levels, weight gain, and increased sleep hours are not indicative of a therapeutic response to levothyroxine therapy.

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