ATI LPN
Pharmacology for LPN
1. What preoperative instruction should the LPN/LVN reinforce to a client scheduled for a carotid endarterectomy?
- A. You will need to be NPO after midnight before the surgery.
- B. You should avoid deep breathing and coughing after the surgery.
- C. You will be able to eat and drink normally after the procedure.
- D. You can take all of your prescribed medications the morning of surgery.
Correct answer: A
Rationale: The correct preoperative instruction that the LPN/LVN should reinforce to a client scheduled for a carotid endarterectomy is being NPO after midnight before the surgery. This instruction is essential to prevent aspiration and ensure a safe procedure. Avoiding oral intake helps reduce the risk of complications during anesthesia induction and the surgical process. Choices B, C, and D are incorrect because avoiding deep breathing and coughing, resuming normal eating and drinking, and taking all prescribed medications the morning of surgery are not recommended preoperative instructions for a carotid endarterectomy.
2. A client who had a myocardial infarction (MI) two days ago reports chest pain radiating to the left arm. What should the nurse do immediately?
- A. Administer morphine
- B. Obtain an electrocardiogram (ECG)
- C. Apply oxygen via nasal cannula
- D. Administer sublingual nitroglycerin
Correct answer: B
Rationale: Obtaining an ECG is crucial in this situation because it helps in assessing for potential complications, such as a recurrent MI or ongoing ischemia. This diagnostic test provides valuable information to guide further interventions and treatment. Administering morphine, oxygen, or nitroglycerin may be necessary but obtaining an ECG takes precedence to evaluate the cardiac status and determine the appropriate course of action. Administering morphine without assessing the current cardiac status through an ECG can mask important diagnostic clues. Applying oxygen and administering nitroglycerin are supportive measures that can follow the ECG to address potential hypoxia and ischemic pain relief, respectively.
3. The healthcare provider assesses a client who has been prescribed furosemide (Lasix) for cardiac disease. Which electrocardiographic change would be a concern for a client taking a diuretic?
- A. Tall, spiked T waves
- B. A prolonged QT interval
- C. A widening QRS complex
- D. Presence of a U wave
Correct answer: D
Rationale: The presence of a U wave is often associated with hypokalemia, a possible side effect of diuretic therapy like furosemide. Hypokalemia can lead to U wave formation on an electrocardiogram, making the presence of U waves a concerning finding in clients taking diuretics. Tall, spiked T waves are typically seen in hyperkalemia, not hypokalemia. A prolonged QT interval is more commonly associated with conditions like Long QT syndrome or certain medications, not specifically with diuretics. A widening QRS complex is usually seen in conditions affecting the conduction system of the heart, such as bundle branch blocks, rather than being directly related to diuretic use.
4. A healthcare provider is reviewing the medication administration record of a client who has a latex allergy. Which of the following medications should the healthcare provider identify as a potential risk for an allergic reaction?
- A. Cefoxitin
- B. Amoxicillin
- C. Erythromycin
- D. Metronidazole
Correct answer: A
Rationale: The correct answer is A, Cefoxitin. Cefoxitin can contain latex in the stopper of the vial, which may pose a risk for allergic reaction in individuals with latex sensitivity. Amoxicillin, Erythromycin, and Metronidazole do not typically contain latex components in their formulations. Healthcare providers should be vigilant in identifying and avoiding medications with latex components to prevent adverse reactions in patients with known latex allergies.
5. The healthcare provider is setting up the bedside unit for a client being admitted to the nursing unit from the emergency department with a diagnosis of coronary artery disease (CAD). The provider should place the highest priority on making sure that which is available at the bedside?
- A. Bedside commode
- B. Rolling shower chair
- C. Oxygen tubing and flowmeter
- D. Twelve-lead electrocardiogram (ECG) machine
Correct answer: C
Rationale: In a client with coronary artery disease (CAD), ensuring the availability of oxygen and a flowmeter at the bedside is crucial. Oxygen is essential for adequate oxygenation, which helps prevent myocardial ischemia, a common complication in CAD. The other options, such as a bedside commode and rolling shower chair, are important for patient comfort and mobility but are not as critical as ensuring proper oxygen supply in a client with CAD. While having an ECG machine available is important for ongoing monitoring, ensuring oxygen availability takes precedence in this scenario.
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