You get a paper cut and experience pain at the site. This response is related to:
Increased exudate and chemical mediators at the site.
Increased perfusion at the site
Bacteria that have entered the wound
Vasoconstriction at the site
The Correct Answer is A
A. Pain at the site of injury, such as a paper cut, is often due to the release of chemical mediators like prostaglandins, bradykinin, and histamines, which are part of the inflammatory response. These mediators increase blood flow and sensitivity in the affected area, contributing to pain. Exudate (fluid containing white blood cells and proteins) also forms at the site to aid in healing, and this can increase sensitivity.
B. Increased perfusion (blood flow) is part of the inflammatory response, but it is not the direct cause of pain. While increased blood flow helps deliver nutrients and immune cells to the site, it is the chemical mediators that cause pain.
C. Bacteria entering the wound could cause infection, but pain from a paper cut is typically related to the inflammatory response rather than infection. If infection were present, pain would usually be accompanied by other signs like redness, heat, and pus.
D. Vasoconstriction is the opposite of what happens at the site of an injury. Inflammation causes vasodilation, not vasoconstriction, to increase blood flow to the area.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Dehydration is a major risk factor for renal calculi (kidney stones). When there is insufficient fluid intake, urine becomes concentrated, allowing substances like calcium, oxalate, and uric acid to crystallize and form stones.
B. A sedentary lifestyle can contribute to weight gain and other health issues, but it is not directly linked to the formation of kidney stones.
C. Drinking 32 ounces of milk per day is not a significant risk factor for kidney stones. In fact, moderate calcium intake from food can help prevent certain types of stones. Excessive calcium intake from supplements, however, can increase the risk.
D. Running 5 miles does not directly increase the risk of kidney stones. Regular physical activity, in general, helps promote overall health and hydration, which can reduce the risk of stone formation.
Correct Answer is A
Explanation
A. Desmopressin (DDAVP) is the correct treatment for Diabetes insipidus. This medication is a synthetic form of vasopressin, which helps the kidneys to retain water, thereby reducing the symptoms of excessive urination and thirst in individuals with Diabetes insipidus.
B. Furosemide is a loop diuretic used to treat fluid retention, not Diabetes insipidus. It increases urine output, which would worsen the condition in patients with Diabetes insipidus.
C. Diuretics are used to increase urine output and are not used in the treatment of Diabetes insipidus, as they could exacerbate dehydration.
D. Corticosteroids are not used to treat Diabetes insipidus. They are typically used to treat inflammatory conditions, such as rheumatoid arthritis, but not Diabetes insipidus.
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