A 73-year-old male patient is being discharged home today. The discharge order reads: Take 10 mL of guaifenesin (Robitussin) PO q4h. This over-the-counter pharmaceutical comes in bottles with plastic measuring caps. How much should the nurse teach the patient 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 (5 mL = 1 tsp), so the patient should take 2 tsp per dose.
You may also like to solve these questions
What is the advantage of sublingual route of administration of drugs
- A. Prevents first pass effect
- B. Easy to administer
- C. Lipid soluble
- D. Can be spitted out with signs of toxicity
Correct Answer: A
Rationale: Sublingual administration bypasses hepatic first-pass metabolism.
A nurse is collecting data from a client who is taking Gemfibrozil. Which of the following assessment findings should the nurse identify as an adverse reaction to the medication?
- A. Mental status changes
- B. Tremor
- C. Jaundice
- D. Pneumonia
Correct Answer: C
Rationale: Gemfibrozil can cause hepatotoxicity, leading to jaundice .
A drug which does not produce any action by itself but decreases the slope of the log dose-response curve and suppresses the maximal response to another drug is a...
- A. Physiological antagonist
- B. Competitive antagonist
- C. Noncompetitive antagonist
- D. Partial agonist
Correct Answer: C
Rationale: Noncompetitive antagonists reduce maximal response (efficacy) without shifting potency, matching the description.
You are to infuse 1,200 mL of IV fluid over 6 hours using a drop factor of 10 gtt/mL. What is the flow rate in drops per minute?
- A. 30 gtt/min
- B. 33 gtt/min
- C. 40 gtt/min
- D. 50 gtt/min
Correct Answer: B
Rationale: Flow rate = (1,200 mL 10 gtt/mL) ÷ (6 60) = 12,000 ÷ 360 = 33.33 gtt/min, rounded to 33 gtt/min.
A 25-year-old woman comes to the clinic complaining of rapid heart rate and easy fatigability. Laboratory results reveal low hemoglobin levels and microcytic red blood cells. The most suitable therapy for her condition will be:
- A. Folic acid
- B. Epoiten alfa
- C. Ferrous sulfate
- D. Vitamin B12
Correct Answer: C
Rationale: Microcytic anemia suggests iron deficiency; ferrous sulfate is the standard treatment.