A surgical wound requires a hydrogel dressing. The primary advantage of hydrogel is that it provides:
A. an absorbent to collect wound drainage.
B. a negative pressure to promote healing.
C. protection from the external environment.
D. moisture needed for wound healing.
D
Alginate dressings are highly absorbent and are used in wounds with significant drainage. The wound vacuum assisted closure (wound V.A.C.) uses negative pressure to the wound to promote and accelerate healing. Transparent film dressings will trap moisture over the wound and are used in a wound with minimal tissue loss and little wound drainage.
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In the cardiac cycle, once the pressure in the left ventricle exceeds that in the aorta and the pressure in the right ventricle exceeds that in the pulmonary artery, the
a. A-V node is stimulated. c. A-V valves open. b. semilunar valves open. d. semilunar valves close.
A patient with portal hypertension has been admitted to the floor you work on. What will you assess for related to portal hypertension?
A) Bowel obstruction B) Vitamin A deficiency C) Ascites D) Hepatic encephalopathy
To meet the social and human needs of a target market, it is critical to:
a. Assess the needs and priorities of the target market. b. Revise the organization's mission statement to reflect external needs. c. Assess the internal culture and needs. d. Develop highly sophisticated media.
Obstacles to the blending of qualitative and quantitative data in nursing research include:
A) Limitations in researcher training B) The shortage of appropriate research problems C) The absence of appropriate computer programs D) The inapplicability of contemporary conceptual models in nursing