For the patient with diabetes mellitus, which microvascular complication of the blood vessel structure may occur? Select all that apply. One, some, or all responses may be correct.
Nephropathy
Neuropathy
Peripheral vascular disease
Cerebral vascular disease
Retinopathy
Correct Answer : A,B,E
Choice A: Nephropathy
Diabetic nephropathy is a common microvascular complication of diabetes mellitus. It is characterized by damage to the small blood vessels in the kidneys, leading to progressive kidney disease. The condition is often identified by the presence of protein in the urine (proteinuria) and can progress to end-stage renal disease if not managed properly. The primary mechanism involves hyperglycemia-induced damage to the glomeruli, the filtering units of the kidneys. This damage results in increased permeability and eventual scarring, impairing kidney function. Effective management of blood glucose levels and blood pressure is crucial in preventing or slowing the progression of diabetic nephropathy.
Choice B: Neuropathy
Diabetic neuropathy refers to nerve damage caused by chronic high blood sugar levels. It is another significant microvascular complication of diabetes. This condition can affect various types of nerves, including sensory, motor, and autonomic nerves. Symptoms may include pain, tingling, numbness, and loss of sensation, particularly in the extremities. Diabetic neuropathy can lead to severe complications such as foot ulcers and infections, which may necessitate amputation. The pathophysiology involves hyperglycemia-induced oxidative stress and inflammation, leading to nerve damage. Tight glycemic control and regular monitoring are essential in managing diabetic neuropathy.
Choice E: Retinopathy
Diabetic retinopathy is a leading cause of blindness among adults with diabetes. This microvascular complication involves damage to the small blood vessels in the retina, the light-sensitive tissue at the back of the eye. There are two main types: non-proliferative and proliferative retinopathy. Non-proliferative retinopathy is characterized by microaneurysms, hemorrhages, and exudates, while proliferative retinopathy involves the growth of new, fragile blood vessels that can bleed and cause retinal detachment. The primary cause is prolonged hyperglycemia, which damages the retinal blood vessels. Regular eye examinations and good glycemic control are vital in preventing and managing diabetic retinopathy.
Choice C: Peripheral Vascular Disease
Peripheral vascular disease (PVD) is not classified as a microvascular complication but rather a macrovascular one. It involves the narrowing or blockage of the blood vessels outside the heart and brain, primarily affecting the arteries in the legs. PVD is associated with atherosclerosis, where plaque builds up in the arterial walls, leading to reduced blood flow. Symptoms include leg pain, cramping, and ulcers. While PVD is a significant concern for individuals with diabetes, it is not considered a microvascular complication.
Choice D: Cerebral Vascular Disease
Cerebral vascular disease, which includes conditions such as stroke and transient ischemic attacks (TIAs), is also a macrovascular complication rather than a microvascular one. It involves the blood vessels supplying the brain and is primarily caused by atherosclerosis and hypertension. Diabetes increases the risk of cerebral vascular disease due to its association with other risk factors like high blood pressure and dyslipidemia. However, it is not classified as a microvascular complication.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is F
Explanation
Assessment: Patient had 2 semi-formed bowel movements 1 hour after administration of the medication
Choice A Reason:
Assessment: Patient denies vomiting
This choice is not directly related to the effectiveness of Kayexalate. Vomiting can be a symptom of hyperkalemia, but the absence of vomiting does not indicate that the medication is working. Kayexalate works by binding potassium in the intestines and removing it through the stool, so the presence of bowel movements is a more direct indicator of its effectiveness.
Choice B Reason:
ECG: Flattening of QRS complex angle
Flattening of the QRS complex angle is not a typical ECG change associated with hyperkalemia or its treatment. Hyperkalemia typically causes widening of the QRS complex, and effective treatment would normalize this. Therefore, this choice is not correct.
Choice C Reason:
ECG: Widening of the QRS complex
Widening of the QRS complex is a sign of hyperkalemia, not its resolution. If the medication is effective, the QRS complex should return to a normal width. Therefore, this choice is not correct.
Choice D Reason:
Assessment: Patient consumed 60% of meal
While nutritional intake is important, it is not a direct indicator of the effectiveness of Kayexalate. The medication’s effectiveness is better assessed by changes in potassium levels and related symptoms, not by meal consumption.
Choice E Reason:
Assessment: Patient denies nausea
Similar to vomiting, nausea can be a symptom of hyperkalemia, but the absence of nausea does not indicate that the medication is working. The effectiveness of Kayexalate is better assessed by the presence of bowel movements and changes in potassium levels.
Choice F Reason:
Assessment: Patient had 2 semi-formed bowel movements 1 hour after administration of the medication
This is the correct answer. Kayexalate works by binding potassium in the intestines and removing it through the stool. The presence of bowel movements indicates that the medication is working to remove potassium from the body. This is a direct and relevant assessment finding.
Choice G Reason:
ECG: Shortening of P wave duration
Shortening of the P wave duration is not a typical ECG change associated with hyperkalemia or its treatment. Therefore, this choice is not correct.
Choice H Reason:
Assessment: Patient denies pain
Pain is not a typical symptom of hyperkalemia, and its absence does not indicate that the medication is working. Therefore, this choice is not correct.
Choice I Reason:
ECG: Reduction of T wave amplitude
Reduction of T wave amplitude can be a sign of hypokalemia, not hyperkalemia. Effective treatment of hyperkalemia would normalize the T wave amplitude, not reduce it. Therefore, this choice is not correct.
Correct Answer is A
Explanation
Choice A reason:
Hypotension (low blood pressure), tachycardia (rapid heart rate), and lethargy are critical symptoms that can indicate a life-threatening condition such as shock or severe dehydration. Hypotension can lead to inadequate perfusion of vital organs, resulting in multi-organ failure if not promptly addressed1. Tachycardia is often a compensatory mechanism for hypotension, and lethargy indicates decreased cerebral perfusion. Immediate intervention is required to stabilize the patient’s condition and prevent further deterioration.
Choice B reason:
Dizziness with a headache rated 7/10 on the numeric scale is concerning but not immediately life-threatening. These symptoms could indicate a variety of conditions, such as migraine, vertigo, or even a mild concussion. While the patient should be assessed and treated, they do not present the same immediate risk as hypotension and tachycardia.
Choice C reason:
Abdominal pain, hypertension (high blood pressure), and constipation are symptoms that need medical attention but are not immediately life-threatening. Hypertension can lead to serious complications if left untreated, but it does not require the same urgent intervention as hypotension. Abdominal pain and constipation, while uncomfortable and potentially indicative of underlying issues, do not pose an immediate threat to life.
Choice D reason:
Febrile (fever), tachycardia, and vomiting are symptoms that suggest an infection or other acute illness. While these symptoms are concerning and need prompt evaluation, they do not pose the same immediate risk as hypotension and tachycardia. Fever and vomiting can lead to dehydration, but this typically develops over a longer period compared to the rapid deterioration seen with hypotension.
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