Nokea
You are caring for a patient who is diagnosed with Raynauds phenomenon. The nurse should plan interventions to address what nursing diagnosis?
- A. Chronic pain
- B. Ineffective tissue perfusion
- C. Impaired skin integrity
- D. Risk for injury
Correct Answer: B
Rationale: Raynauds phenomenon is a form of intermittent arteriolar vasoconstriction resulting in inadequate tissue perfusion. This results in coldness, pain, and pallor of the fingertips or toes. Pain is typically intermittent and acute, not chronic, and skin integrity is rarely at risk. In most cases, the patient is not at a high risk for injury.
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The nurse is caring for an acutely ill patient who is on anticoagulant therapy. The patient has a comorbidity of renal insufficiency. How will this patients renal status affect heparin therapy?
- A. Heparin is contraindicated in the treatment of this patient.
- B. Heparin may be administered subcutaneously, but not IV.
- C. Lower doses of heparin are required for this patient.
- D. Coumadin will be substituted for heparin.
Correct Answer: C
Rationale: If renal insufficiency exists, lower doses of heparin are required. Coumadin cannot be safely and effectively used as a substitute and there is no contraindication for IV administration.
The clinic nurse is caring for a 57-year-old client who reports experiencing leg pain whenever she walks several blocks. The patient has type 1 diabetes and has smoked a pack of cigarettes every day for the past 40 years. The physician diagnoses intermittent claudication. The nurse should provide what instruction about long-term care to the client?
- A. Be sure to practice meticulous foot care.
- B. Consider cutting down on your smoking.
- C. Reduce your activity level to accommodate your limitations.
- D. Try to make sure you eat enough protein.
Correct Answer: A
Rationale: The patient with peripheral vascular disease or diabetes should receive education or reinforcement about skin and foot care. Intermittent claudication and other chronic peripheral vascular diseases reduce oxygenation to the feet, making them susceptible to injury and poor healing; therefore, meticulous foot care is essential. The patient should stop smokingnot just cut downbecause nicotine is a vasoconstrictor. Daily walking benefits the patient with intermittent claudication. Increased protein intake will not alleviate the patients symptoms.
A nurse in a long-term care facility is caring for an 83-year-old woman who has a history of HF and peripheral arterial disease (PAD). At present the patient is unable to stand or ambulate. The nurse should implement measures to prevent what complication?
- A. Aoritis
- B. Deep vein thrombosis
- C. Thoracic aortic aneurysm
- D. Raynauds disease
Correct Answer: B
Rationale: Although the exact cause of venous thrombosis remains unclear, three factors, known as Virchows triad, are believed to play a significant role in its development: stasis of blood (venous stasis), vessel wall injury, and altered blood coagulation. In this womans case, she has venous stasis from immobility, vessel wall injury from PAD, and altered blood coagulation from HF. The cause of aoritis is unknown, but it has no direct connection to HF, PAD, or mobility issues. The greatest risk factors for thoracic aortic aneurysm are atherosclerosis and hypertension; there is no direct connection to HF, PAD, or mobility issues. Raynauds disease is a disorder that involves spasms of blood vessels and, again, no direct connection to HF, PAD, or mobility issues.
When assessing venous disease in a patients lower extremities, the nurse knows that what test will most likely be ordered?
- A. Duplex ultrasonography
- B. Echocardiography
- C. Positron emission tomography (PET)
- D. Radiography
Correct Answer: A
Rationale: Duplex ultrasound may be used to determine the level and extent of venous disease as well as its chronicity. Radiographs (x-rays), PET scanning, and echocardiography are never used for this purpose as they do not allow visualization of blood flow.
How should the nurse best position a patient who has leg ulcers that are venous in origin?
- A. Keep the patients legs flat and straight.
- B. Keep the patients knees bent to 45-degree angle and supported with pillows.
- C. Elevate the patients lower extremities.
- D. Dangle the patients legs over the side of the bed.
Correct Answer: C
Rationale: Positioning of the legs depends on whether the ulcer is of arterial or venous origin. With venous insufficiency, dependent edema can be avoided by elevating the lower extremities. Dangling the patients legs and applying pillows may further compromise venous return.