ATI RN
ATI Capstone Pharmacology Assessment 1
1. 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.
2. 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.
3. A nurse is caring for a client prescribed digoxin. Which of the following should alert the nurse to possible digitalis toxicity?
- A. Anorexia and weakness
- B. Hyperactivity and hunger
- C. Tachycardia and increased urination
- D. Polyphagia and polydipsia
Correct answer: A
Rationale: The correct answer is A: Anorexia and weakness. These symptoms are early indicators of potential digitalis toxicity. Anorexia refers to a loss of appetite, which can be a sign of toxicity, and weakness can indicate an issue with digoxin. Choices B, C, and D are incorrect. Hyperactivity and hunger, tachycardia and increased urination, as well as polyphagia and polydipsia are not typically associated with digitalis toxicity.
4. A 55-year-old client has levothyroxine ordered. Which of the below past medical history concerns may contraindicate with her medication management of hypothyroidism?
- A. Scleroderma
- B. Osteoporosis
- C. Asthma
- D. Peripheral Vascular Disease
Correct answer: B
Rationale: The correct answer is B: Osteoporosis. Osteoporosis is a concern with levothyroxine as it can increase the risk for fractures, particularly in older adults. Levothyroxine treatment can exacerbate bone loss in individuals with osteoporosis. Choices A, C, and D are not directly contraindicated with levothyroxine therapy for hypothyroidism.
5. A client is receiving a dopamine infusion via a peripheral IV. Which of the following actions should the nurse take if the IV site appears infiltrated?
- A. Slow the infusion and continue to monitor the site
- B. Stop the infusion
- C. Apply a warm compress to the site
- D. Apply a cold compress to the site
Correct answer: B
Rationale: When an IV site appears infiltrated, it indicates that the medication is leaking into the surrounding tissues. In such a situation, the infusion should be stopped immediately to prevent further tissue damage. Choice A is incorrect because slowing the infusion would still allow the medication to leak into the tissues. Choices C and D are also incorrect as applying compresses can exacerbate the tissue damage caused by infiltration.
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