Vascular response includes
Allowing the lining of the vessels to become impermeable
Dilating blood vessels
Limited perfusion to the site of injury
Constrict blood vessels
The Correct Answer is B
A. The vascular response initially increases permeability to allow essential cells and substances to reach the site of injury, rather than becoming impermeable.
B. Dilating blood vessels increases blood flow to the injured area, facilitating the delivery of immune cells and nutrients necessary for healing.
C. Limited perfusion contradicts the purpose of the vascular response, which is to enhance blood flow to the injury.
D. While blood vessels can constrict initially to minimize blood loss, the vascular response overall is characterized by dilation to promote healing.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. While tests like RF, ESR, and ANA can indicate the presence of rheumatoid arthritis or autoimmune activity, no single test is definitive for diagnosing RA.
B. A positive rheumatoid factor is common in RA but can also be found in other conditions, making it not exclusively diagnostic.
C. An elevated ESR indicates inflammation but is nonspecific and not solely indicative of rheumatoid arthritis.
D. A positive ANA is associated with various autoimmune diseases and is not specific to RA.
Correct Answer is B
Explanation
A. While spaghetti and garlic toast provide carbohydrates, they lack sufficient protein and vitamins necessary for healing.
B. Eggs are a good source of protein, essential for tissue repair, and orange juice provides vitamin C, which is important for collagen synthesis and healing.
C. Steak and potatoes provide protein and carbohydrates, but the combination may be less balanced in terms of vitamins compared to eggs and orange juice.
D. Tomato soup and grilled cheese offer comfort but are less optimal for nutritional needs related to wound healing, lacking sufficient protein.
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