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

Answer and Explanation

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.

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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.

A. 36% B. 54% C. 63% D. 44%

Correct Answer is B

Explanation

A. The anterior and posterior trunk account for 36% total (18% each), and both arms (9% each) account for an additional 18%, totaling 54%.

B. The calculation for the burn surface area would be 36% (trunk) + 18% (both arms) = 54%, which is correct.

C. 63% is too high based on the rule of nines calculations.

D. 44% underestimates the total burn surface area considering both trunk and arms.

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Vascular response includes

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Naxlex Comprehensive Predictor Exams

What is the one definitive test to diagnose rheumatoid arthritis?

Correct Answer is A

Explanation

A 32-year-old firefighter received second-degree burns on the anterior and posterior trunk and on both arms. Using the rule of nines, which of the following estimates best approximates the percentage of burn surface area?

Correct Answer is B

Explanation

When the body cannot regenerate tissue or cells after they have been destroyed, it makes scar tissue instead. The purpose of the scar tissue is to restore:

Cutaneous manifestations associated anaphylactic shock include all of the following except:

Why is Crohn's disease more likely to cause intestinal obstruction than ulcerative colitis?

With burn injuries, it is important to determine the depth of injury. You are in the sun too long without sunscreen and develop redness and blistering on your face, chest, and back. What depth of burn did you experience?

You just purchased a new bike helmet and wear this daily when you bike to school. What level of prevention are you demonstrating?

Which of the following meals would you recommend to a patient who has a wound injury to promote healing?

When the overgrowth of infectious agents is combined with decreased blood flow, what happens?

Treatment of an altered immune response with corticosteroids is associated with which one of the following adverse effects.