ATI RN
ATI Capstone Pharmacology Assessment 1
1. A nurse is preparing to administer an intramuscular injection to an adult client. At what angle should the nurse administer the medication using the ventrogluteal site?
- A. a 45-degree angle
- B. a 60-degree angle
- C. a 75-degree angle
- D. a 90-degree angle
Correct answer: D
Rationale: Intramuscular injections in the ventrogluteal site should be administered at a 90-degree angle. This angle ensures that the medication reaches the muscle tissue effectively. Angles less than 90 degrees can cause subcutaneous injection instead of intramuscular, leading to slower absorption of the medication. Angles greater than 90 degrees risk hitting bone or nerves, causing unnecessary pain or injury. Therefore, the correct angle for administering intramuscular injections in the ventrogluteal site is 90 degrees.
2. A nurse is caring for a client receiving patient-controlled analgesia (PCA). Which of the following interventions should the nurse take while caring for this client?
- A. Advise the client to use the pump sparingly to prevent addiction
- B. Encourage the client to use the PCA before dressing changes
- C. Encourage the client's family to administer PCA while the client is sleeping
- D. Increase the client's 4-hour limit as needed
Correct answer: B
Rationale: The correct answer is B because encouraging the client to use the PCA before dressing changes helps in managing pain proactively. Choice A is incorrect as PCA is a safe method of pain control when used appropriately, and the nurse should not suggest using it sparingly. Choice C is incorrect as only the client should operate the PCA to ensure they are in control of their pain management. Choice D is incorrect as changing the PCA limit without proper assessment and orders from the healthcare provider can lead to adverse effects.
3. A client has been prescribed isosorbide mononitrate. Which of the following should the nurse include in the client education related to this medication?
- A. This medication is prescribed for long-term therapy prophylaxis against anginal attacks
- B. Do not crush this medication
- C. Take the medication in the evening after dinner
- D. Do not take an additional tablet if you experience chest pain
Correct answer: A
Rationale: The correct answer is A because isosorbide mononitrate is used for long-term prophylaxis against anginal attacks. Choice B is incorrect because isosorbide mononitrate should not be crushed. Choice C does not specify a particular time for medication administration. Choice D is incorrect because isosorbide mononitrate is not meant to be taken as needed for chest pain; it is part of a long-term therapy plan.
4. A nurse is caring for a client with hypothyroidism. Which of the following findings indicates that the client is experiencing an adverse effect from the prescribed levothyroxine?
- A. Tachycardia
- B. Bradycardia
- C. Weight loss
- D. Increased appetite
Correct answer: A
Rationale: Tachycardia is the correct answer as it is an adverse effect of levothyroxine. Levothyroxine is a medication used to treat hypothyroidism by supplementing the body with thyroid hormone. Tachycardia, or a fast heart rate, can indicate an overdosage or increased sensitivity to levothyroxine. Bradycardia, slow heart rate, weight loss, and increased appetite are not typically associated with adverse effects of levothyroxine. Bradycardia may actually be a symptom of untreated hypothyroidism.
5. 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.
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