Nokea
When educating a patient about Regular Insulin, you should include which instruction:
- A. Shake the vial vigorously
- B. Expect the solution to appear cloudy
- C. Store unopened vials at room temperature
- D. Inject the insulin subcutaneously
Correct Answer: D
Rationale: When educating a patient about Regular Insulin, you should include the instruction to inject the insulin subcutaneously. Regular insulin is a short-acting insulin that should be injected into the subcutaneous tissue rather than intramuscularly or intravenously. Subcutaneous injection ensures proper absorption and effectiveness of the insulin. It is important to educate the patient on the correct injection technique and site rotation to optimize insulin absorption and minimize the risk of lipodystrophy.
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When preparing to administer IV Acyclovir for Herpes Zoster, what action should the nurse take?
- A. Infuse the medication over 1 hour.
- B. Monitor the client's blood pressure every 15 minutes during infusion.
- C. Administer a stool softener.
- D. Monitor the client's blood glucose level every 4 hours during infusion.
Correct Answer: A
Rationale: The correct action for the nurse is to infuse IV Acyclovir over at least 1 hour to prevent nephrotoxicity. Rapid infusion can lead to adverse effects, so a slow infusion rate is crucial for patient safety. Monitoring blood pressure, administering a stool softener, or monitoring blood glucose levels are not directly related to the administration of IV Acyclovir for Herpes Zoster.
A client has a new prescription for Atenolol. Which of the following statements should be included by the healthcare provider?
- A. Take the medication with a high-fat meal.
- B. Monitor your heart rate before taking the medication.
- C. Expect a persistent cough.
- D. Avoid foods high in fiber.
Correct Answer: B
Rationale: When a client is prescribed Atenolol, a beta-blocker, they should monitor their heart rate before taking the medication. It is crucial because if the heart rate is below 60 bpm, the client needs to contact their healthcare provider for further guidance and evaluation. Choices A, C, and D are incorrect. Atenolol does not need to be taken with a high-fat meal, does not typically cause a persistent cough, and there is no need to avoid foods high in fiber when taking this medication.
Which of the following most accurately describes the antibacterial mechanism of penicillin:
- A. inhibits DNA synthesis
- B. inhibits the terminal step in peptidoglycan synthesis
- C. Inhibits protein synthesis in growing bacterial cells
- D. disrupts the integrity of the cell membrane
Correct Answer: B
Rationale: Penicillin is a type of antibiotic that works by inhibiting bacterial cell wall synthesis. Peptidoglycan is a critical component of the bacterial cell wall, providing structural support and preventing the cell from bursting. Penicillin specifically targets the final step in peptidoglycan synthesis, known as cross-linking, by binding to and inhibiting the enzyme transpeptidase. Without proper cross-linking of peptidoglycan, the bacterial cell wall becomes weak and compromised, leading to cell lysis and bacterial death. This mechanism makes penicillin highly effective in combating bacterial infections.
The nurse notes in the patient™s medication orders that the patient will be taking ibutilide (Corvert). Based on this finding, the nurse interprets that the patient has which disorder?
- A. Ventricular ectopy
- B. Atrial fibrillation
- C. Supraventricular tachycardia
- D. Bradycardia
Correct Answer: B
Rationale: Ibutilide (Corvert) is a class III antiarrhythmic medication primarily used for the treatment of atrial fibrillation and atrial flutter. It works by prolonging the action potential duration and refractory period of atrial tissue. Therefore, when a nurse notes that a patient will be taking ibutilide, it indicates that the patient likely has atrial fibrillation, a common arrhythmia characterized by rapid, irregular electrical activity in the atria of the heart.
When administering the drug senna to a patient, what must a health care provider inform the patient of?
- A. This drug is intended to lower blood pressure and is best used in combination with other antihypertensives
- B. This drug is not intended for long-term use
- C. The patient must limit his/her fiber intake
- D. Advise the patient to change positions slowly to limit the risk of orthostatic hypotension
Correct Answer: B
Rationale: The correct answer is B. Senna is a laxative used for short-term relief of constipation, not for long-term use. Choice A is incorrect because senna does not lower blood pressure or require combination with antihypertensives. Choice C is unrelated as there is no need to limit fiber intake with senna. Choice D is incorrect as orthostatic hypotension is not a common concern with senna use.