ATI LPN
PN ATI Capstone Pharmacology 1 Quiz
1. A healthcare professional is preparing to administer a dose of nitroglycerin. Which of the following should be assessed first?
- A. Blood pressure
- B. Heart rate
- C. Pain level
- D. Respiratory rate
Correct answer: A
Rationale: The correct answer is to assess blood pressure first before administering nitroglycerin. Nitroglycerin is a vasodilator that can cause a sudden drop in blood pressure, leading to adverse effects such as dizziness or fainting. Assessing blood pressure before administration helps determine if the patient's blood pressure is within the acceptable range for nitroglycerin administration. Heart rate, pain level, and respiratory rate are also important assessments, but blood pressure should take precedence due to the vasodilating effects of nitroglycerin.
2. A healthcare provider is assessing a client who is receiving heparin therapy for deep vein thrombosis (DVT). Which of the following laboratory values should the provider monitor to evaluate the therapeutic effect of the heparin?
- A. Platelet count
- B. Partial thromboplastin time (PTT)
- C. Prothrombin time (PT)
- D. Bleeding time
Correct answer: B
Rationale: The Partial Thromboplastin Time (PTT) is the correct laboratory value to monitor heparin therapy. PTT measures the time it takes for blood to clot and is specifically used to evaluate the effectiveness of anticoagulation therapy such as heparin. Monitoring the PTT helps ensure that the heparin dose is within the therapeutic range. Platelet count, Prothrombin time (PT), and Bleeding time are not specific laboratory values for monitoring the therapeutic effect of heparin therapy. Platelet count is more indicative of platelet function, PT is used to monitor warfarin therapy, and Bleeding time assesses platelet function rather than the effect of heparin therapy.
3. A nurse is teaching a client about the use of a metered-dose inhaler (MDI). Which instruction should the nurse include in the teaching?
- A. Inhale the medication deeply for 3-5 seconds
- B. Exhale forcefully before inhaling
- C. Shake the MDI vigorously before use
- D. Hold the mouthpiece 2.5-5 cm (1-2 in) in front of the mouth
Correct answer: A
Rationale: Corrected Rationale: Inhaling the medication deeply for 3-5 seconds and holding the breath for 10 seconds after inhalation ensures effective medication delivery to the lungs. Choice A is the correct instruction for the use of a metered-dose inhaler (MDI). Choice B, exhaling forcefully before inhaling, is incorrect as it can lead to decreased medication delivery. Choice C, shaking the MDI vigorously before use, is also incorrect as excessive shaking can cause the medication to clump. Choice D, holding the mouthpiece 2.5-5 cm (1-2 in) in front of the mouth, is not recommended as it may lead to improper inhalation technique.
4. A nurse is caring for a client prescribed lisinopril. Which of the following medication interactions should the nurse instruct this client about?
- A. Potassium supplements
- B. Ciprofloxacin
- C. Escitalopram
- D. Magnesium supplements
Correct answer: A
Rationale: The correct answer is A: Potassium supplements. Lisinopril, an ACE inhibitor, can increase potassium levels in the body. Therefore, the nurse should instruct the client to avoid potassium supplements to prevent hyperkalemia, a potentially dangerous condition. Choices B, C, and D are incorrect because they do not have significant interactions with lisinopril that would lead to adverse effects like hyperkalemia.
5. A healthcare provider is reviewing a prescription for doxazosin with a client. Which instruction should the healthcare provider provide?
- A. Decrease caloric intake to reduce weight gain
- B. Increase dietary fiber to prevent constipation
- C. Rise slowly when sitting up
- D. Take this medication each morning
Correct answer: C
Rationale: The correct instruction for a client prescribed with doxazosin is to rise slowly when sitting up. Doxazosin can cause orthostatic hypotension, leading to dizziness upon sudden position changes. Instructing the client to rise slowly helps prevent this side effect. Choices A, B, and D are incorrect because they are not directly related to the potential side effects or administration of doxazosin.
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