ATI LPN
LPN Pharmacology
1. A client is admitted with an arterial ischemic leg ulcer. The nurse expects to note that this ulcer has which typical characteristic?
- A. Dark pink base
- B. Deep and painful
- C. Accompanied by very slight pain
- D. Brown pigmentation of surrounding skin
Correct answer: B
Rationale: Arterial ischemic ulcers are typically characterized by being deep and painful, often with a pale or necrotic base. The lack of adequate blood flow leads to tissue damage, resulting in these ulcers having a deep appearance and causing significant pain to the individual. The other options are not commonly associated with arterial ischemic ulcers; a dark pink base, very slight pain, or brown pigmentation of surrounding skin are not typical features of this type of ulcer.
2. When teaching a client who has a new prescription for metformin, which of the following instructions should the nurse include?
- A. Take the medication with food.
- B. Monitor for signs of hyperglycemia.
- C. Increase your fluid intake.
- D. Expect a metallic taste in your mouth.
Correct answer: C
Rationale: The correct instruction for a client starting metformin is to increase fluid intake. This is crucial to prevent gastrointestinal discomfort, a common side effect of metformin. Adequate hydration helps reduce the risk of gastrointestinal upset and ensures the medication is well-tolerated. Option A is generally true for metformin but is not as essential as maintaining proper hydration. Option B is important but not directly related to starting metformin. Option D is incorrect as a metallic taste in the mouth is not typically associated with metformin.
3. What predisposing factor most likely contributed to the proximal end of the femur fracture in a 62-year-old woman who lives alone and tripped on a rug in her home?
- A. Failing eyesight leading to an unsafe environment
- B. Renal osteodystrophy from chronic kidney disease (CKD)
- C. Osteoporosis from declining hormone levels
- D. Cerebral vessel changes causing transient ischemic attacks
Correct answer: C
Rationale: The most likely predisposing factor contributing to the proximal end of the femur fracture in a 62-year-old woman is osteoporosis resulting from declining hormone levels. Osteoporosis weakens the bones, making them more susceptible to fractures, especially in older adults, particularly women. In this case, the fracture can be attributed to the bone density loss associated with osteoporosis, which is a common concern in postmenopausal women. Choices A, B, and D are less likely to have directly contributed to the femur fracture in this scenario. Failing eyesight may increase the risk of falls but does not directly weaken the bones. Renal osteodystrophy affects bone health but is less common in this age group. Cerebral vessel changes causing transient ischemic attacks are related to vascular issues, not bone strength.
4. A client has a new prescription for atenolol. Which of the following instructions should be included in the discharge teaching?
- A. Take the medication at bedtime.
- B. Monitor your heart rate daily.
- C. Increase your intake of potassium-rich foods.
- D. Avoid consuming dairy products.
Correct answer: B
Rationale: The correct answer is to instruct the client to monitor their heart rate daily when taking atenolol. Atenolol can lead to bradycardia, a slow heart rate. By monitoring heart rate daily, the client can promptly identify any significant changes and seek medical attention if necessary. This proactive approach enables early detection of potential adverse effects of atenolol, contributing to the client's safety and well-being. Choices A, C, and D are incorrect because taking atenolol at bedtime, increasing potassium-rich foods intake, or avoiding dairy products are not specific instructions related to the potential side effects of atenolol.
5. A client with chronic heart failure is being discharged with a prescription for digoxin (Lanoxin). Which instruction should the nurse reinforce?
- A. Take the medication at the same time each day.
- B. Avoid foods high in potassium.
- C. Skip a dose if you feel well.
- D. Take the medication on an empty stomach.
Correct answer: A
Rationale: Taking digoxin at the same time each day is essential to maintain a consistent blood level of the medication. This consistency helps optimize the therapeutic effects of digoxin in managing chronic heart failure. Deviating from the scheduled time could lead to fluctuations in drug levels, affecting its effectiveness and potentially causing harm. Choices B, C, and D are incorrect because avoiding potassium-rich foods, skipping doses when feeling well, and taking the medication on an empty stomach are not relevant or appropriate instructions for a client prescribed digoxin.
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