Nokea
A 73-year-old male patient is being discharged home today. The discharge order reads: Take 10 mL of guaifenesin (Robitussin) with plastic measuring caps. How much should the nurse teach the client to take at home?
- A. 1/2 tsp
- B. 1 tsp
- C. 2 tsp
- D. 1 tbsp
Correct Answer: C
Rationale: 10 mL equals 2 teaspoons (1 tsp = 5 mL), the correct household measure for patient teaching.
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Monitoring of a patient on gabapentin to treat seizures includes:
- A. Routine therapeutic drug levels every 3 to 4 months
- B. Assessing for dermatologic reactions, including Steven's Johnson
- C. Routine serum electrolytes, especially in hot weather
- D. Recording seizure frequency, duration, and severity
Correct Answer: D
Rationale: Monitoring seizure activity is key to assessing gabapentin efficacy.
The nursing assessment identifies that the client is nauseated and cannot take acetaminophen (Tylenol) orally. Which is true regarding the substitution of this medication to suppository form?
- A. It is standard practice when the patient is unable to take the ordered medication.
- B. It is acceptable if the patient agrees to the altered route form.
- C. It is preferable to having the patient miss a dose of the medication.
- D. It is contraindicated without an order from the health care provider.
Correct Answer: D
Rationale: One dosage form of medication should never be substituted for another unless the prescriber is consulted; there can be a great variation in the absorption rate of the medication through different routes of administration. The substitution of one form for another is not standard practice, and is not acceptable or preferable without the prescriber's order.
T½ of a drug can determine all the following
- A. Closing interval
- B. Elimination time
- C. Steady Plasma Concentration
- D. Therapeutic dosage
Correct Answer: D
Rationale: Half-life (t½) informs dosing intervals to maintain therapeutic levels.
Which of the following is an advantage of sublingual administration?
- A. Rapid absorption
- B. Convenient
- C. Avoid harsh GI environment
- D. Avoid first pass-metabolism
Correct Answer: D
Rationale: Sublingual administration offers rapid absorption , convenience , avoids the GI tract , and bypasses first-pass metabolism ; all are true, but D is a key pharmacological advantage.
A competitive antagonist is a substance that:
- A. Interacts receptors and produces submaximal effect
- B. Binds to the same receptor site and progressively inhibits the agonist response
- C. Binds to the nonspecific sites of tissue
- D. Binds to one receptor subtype as an agonist and to another as an antagonist
Correct Answer: B
Rationale: Competitive antagonists compete for the same receptor site, reversibly inhibiting the agonist.