A diabetic client presents to the acute care facility for the amputation of two gangrenous digits on her left foot.
Which type of perfusion issue has caused this condition?
Arterial insufficiency.
Stasis.
Venous insufficiency.
Varicose veins.
The Correct Answer is A
This means that the blood flow to the affected area is reduced due to narrowed or blocked arteries. This can cause tissue death or gangrene. Diabetes can
damage the blood vessels and affect blood flow, increasing the risk of gangrene. Choice B. Stasis is wrong because it refers to a condition where blood pools in the veins of the legs, causing swelling and skin changes. It does not cause gangrene by itself.
Choice C. Venous insufficiency is wrong because it refers to a condition where the veins in the legs have problems sending blood back to the heart, causing swelling and skin ulcers. It does not cause gangrene by itself.
Choice D. Varicose veins are wrong because they are enlarged veins that may cause pain or discomfort, but do not cause gangrene by themselves.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
This is because hypokalemia (low potassium level in the blood) can cause abnormal heart rhythms (arrhythmia) that can be life-threatening and require urgent medical attention. A cardiac monitor can help detect and treat any arrhythmia that may occur.
Choice B is wrong because administering a laxative can worsen hypokalemia by causing more potassium loss through the digestive tract. Laxative use is one of the possible causes of hypokalemia.
Choice C is wrong because placing the client on seizure precautions is not a priority intervention for hypokalemia. Seizures are not a common symptom of hypokalemia, although muscle weakness and cramps may occur.
Choice D is wrong because restricting high potassium foods is not a priority intervention for hypokalemia. In fact, increasing potassium intake through foods or supplements may be helpful in less serious cases of hypokalemia. However, this should be done according to the doctor’s recommendation and with careful monitoring of blood potassium levels.
Normal blood potassium levels for an adult range from 3.6 to 5.2 millimoles per liter (mmol/L). A very low potassium level (less than 2.5 mmol/L) can be life threatening.
Correct Answer is C
Explanation
This nursing diagnosis is typically not associated with anemia because anemia does not cause dehydration or loss of body fluids. Anemia is a condition in which the hemoglobin concentration or the number of red blood cells is lower than normal, resulting in decreased oxygen delivery to the tissues.
Choice A. Ineffective tissue perfusion is wrong because anemia can impair tissue perfusion by reducing the oxygen-carrying capacity of the blood.
Choice B. Activity intolerance is wrong because anemia can cause fatigue, weakness, and dyspnea on exertion due to inadequate oxygen supply to the muscles.
Choice D. Risk for decreased cardiac output is wrong because anemia can increase the risk of cardiac complications such as tachycardia, palpitations, angina, and heart failure due to increased cardiac workload and demand for oxygen.
Normal ranges for hemoglobin are 13.5 to 17.5 g/dL for men and 12 to 15.5 g/dL for women; normal ranges for hematocrit are 38.8 to 50% for men and 34.9 to 44.5% for women; normal ranges for red blood cell count are 4.7 to 6.1 million/mm3 for men and 4.2 to 5.4 million/mm3 for women; normal ranges for reticulocyte count are 0.5 to 1.5% of red blood cells.
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