ATI RN
ATI Capstone Pharmacology Assessment 1
1. A nurse is preparing to administer nitroglycerin ointment to a client. Which of the following actions should the nurse take?
- A. Apply the ointment to the client's hairless chest
- B. Rub the ointment gently into the skin
- C. Cover the applied ointment with a transparent dressing
- D. Massage the ointment into the skin
Correct answer: A
Rationale: The correct action is to apply the nitroglycerin ointment to a hairless area of the client's chest, back, or upper arms. This allows for better absorption of the medication. Choice B is incorrect because rubbing the ointment gently into the skin may be appropriate, but the primary action is to ensure application on a hairless area. Choice C is incorrect as covering the ointment with a transparent dressing is not a standard practice for nitroglycerin ointment administration. Choice D is incorrect because massaging the ointment into the skin is not recommended, as it can alter absorption rates.
2. Before administering blood products, which action should be taken?
- A. Assess the client's temperature
- B. Document client response
- C. Prime IV tubing with 0.45% sodium chloride
- D. Administer epinephrine
Correct answer: A
Rationale: Correct answer: Before administering blood products, the client's temperature must be assessed to establish a baseline and monitor for transfusion reactions. Choice B is incorrect because documenting client response should occur after administering the blood products. Choice C is incorrect as priming IV tubing with 0.45% sodium chloride is not directly related to assessing the client before administering blood products. Choice D is incorrect because administering epinephrine is not a routine action before administering blood products.
3. A client has been prescribed vasopressin for the treatment of diabetes insipidus. What is the expected pharmacologic action of this medication?
- A. To stimulate the pancreas to secrete insulin
- B. To slow the absorption of glucose in the intestine
- C. To increase reabsorption of water in the renal tubules
- D. To increase blood pressure
Correct answer: C
Rationale: The correct answer is C: To increase reabsorption of water in the renal tubules. Vasopressin, also known as antidiuretic hormone (ADH), works by increasing the reabsorption of water in the renal tubules, which helps to concentrate urine and reduce excessive urination in diabetes insipidus. Choice A is incorrect as vasopressin does not stimulate the pancreas to secrete insulin. Choice B is incorrect as vasopressin does not affect the absorption of glucose in the intestine. Choice D is incorrect as vasopressin's primary action is not to increase blood pressure, although it can have some vasoconstrictive effects.
4. A nurse is caring for a client prescribed enoxaparin for deep vein thrombosis prophylaxis. Which of the following client assessments requires immediate intervention?
- A. Platelet count of 95,000/mm³
- B. Blood pressure of 145/90 mmHg
- C. Heart rate of 95 beats per minute
- D. Pain at the injection site
Correct answer: A
Rationale: A platelet count of 95,000/mm³ requires immediate intervention as it is low and increases the risk of bleeding, which is a potential complication of enoxaparin therapy. Low platelet counts can predispose the patient to hemorrhage, and administering anticoagulants like enoxaparin in such cases can further increase the bleeding risk. Monitoring platelet counts is crucial during anticoagulant therapy to prevent serious bleeding complications. The other options do not pose immediate risks related to enoxaparin therapy. A slightly elevated blood pressure, a heart rate of 95 beats per minute, and pain at the injection site are common findings that may not warrant immediate intervention in this context.
5. A nurse is preparing to administer potassium chloride IV to a client. Which of the following actions should the nurse take to prevent complications?
- A. Administer the medication by IV bolus over 2 minutes
- B. Infuse the medication slowly using an IV pump
- C. Add the medication to an IV solution of D5W
- D. Dilute the medication in 5 mL of sterile water
Correct answer: B
Rationale: The correct action to prevent complications when administering potassium chloride IV is to infuse the medication slowly using an IV pump. Rapid administration of potassium chloride can lead to complications such as hyperkalemia and cardiac arrest. Options A, C, and D are incorrect as they do not promote the safe administration of potassium chloride. Administering the medication by IV bolus over 2 minutes is too rapid and can cause adverse effects. Adding the medication to an IV solution of D5W or diluting it in sterile water may not control the rate of administration, increasing the risk of complications.
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