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. Hepatitis B is primarily transmitted through blood and body fluids, making this the correct answer.
B. The fecal-oral route is associated with hepatitis A and other gastrointestinal infections, not hepatitis B.
C. Contaminated shellfish can transmit viruses like hepatitis A, but not hepatitis B.
D. Hepatitis B is not waterborne; this route is associated with different types of infections.
Correct Answer is D
Explanation
A. Tertiary prevention involves managing and mitigating the effects of an established disease or condition, which does not apply here.
B. Secondary prevention focuses on early detection and treatment of diseases, but wearing a helmet is about preventing injury rather than detecting it.
C. None of these would imply that there is no relevant level of prevention being demonstrated, which is incorrect.
D. Primary prevention aims to prevent the onset of disease or injury, and wearing a helmet while biking is a proactive measure to prevent head injuries.
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