What type of leadership encourages the nursing staff to participate in decisions and activities?

Choice A rationale

Phlebitis is the inflammation of a vein, which can be caused by chemical, mechanical, or bacterial irritation. The classic clinical signs include localized redness, warmth, swelling, and a palpable cord along the vein. The client's report of pain at the site is a hallmark symptom. Nurses use a phlebitis scale to grade the severity, and the symptoms described here, particularly the warmth and redness traveling above the insertion site, are diagnostic of venous wall inflammation.

Choice B rationale

Fluid overload, or hypervolemia, is a systemic condition where there is too much fluid in the blood. It is characterized by symptoms such as hypertension, tachycardia, jugular venous distention, peripheral edema in dependent areas, and crackles in the lungs upon auscultation. It is not a localized reaction at the intravenous insertion site. While it relates to intravenous therapy, the specific signs of localized warmth and redness mentioned in the assessment are not indicators of systemic fluid volume excess.

Choice C rationale

Infiltration occurs when intravenous fluid or non-vesicant medication leaks into the surrounding subcutaneous tissue. The typical assessment findings for infiltration include coolness of the skin around the site, blanching, and edema. It is often painful or uncomfortable due to tissue tension, but the skin will not be warm or red. Since the nurse noted warmth and redness, which indicate an inflammatory or infectious process, the finding is inconsistent with the physiological presentation of simple infiltration.

Choice D rationale

A localized infection at the IV site would present with redness, swelling, and pain, much like phlebitis, but it is often accompanied by purulent drainage and systemic symptoms like fever or an elevated white blood cell count. While infection is a possibility, the description of redness and warmth specifically traveling above the site is most classically associated with phlebitis. Infection typically remains more localized to the puncture wound itself unless it has progressed to cellulitis or sepsis. .

Choice A rationale

Cold therapy induces local vasoconstriction, which reduces the diameter of blood vessels and decreases capillary permeability. This physiological response limits the leakage of fluid into the interstitial spaces, thereby minimizing edema and swelling at the injury site. Furthermore, the reduction in blood flow slows the inflammatory cascade and decreases the release of chemical mediators like histamine and bradykinin, which effectively reduces redness and provides an analgesic effect by numbing local nerve endings.

Choice B rationale

Cold application typically functions as a local anesthetic by slowing the conduction velocity of sensory nerve fibers. While the initial application of an ice pack might feel uncomfortably cold or produce a stinging sensation, the ultimate goal and expected outcome of cryotherapy is a significant reduction in pain. Increased discomfort would suggest a potential complication, such as cold-induced tissue damage or frostbite, rather than the intended therapeutic effect of soothing the injured area.

Choice C rationale

Cold therapy is designed to decrease vascularity and promote fluid retention within the vessels through constriction. An increase in serous drainage would imply an increase in capillary leakage or inflammatory exudate, which contradicts the intended physiological outcome of ice application. By stabilizing cell membranes and reducing hydrostatic pressure in the capillaries, cold therapy should lead to a drier wound environment and a decrease in the volume of drainage from a surgical incision.

Choice D rationale

Because cold causes the smooth muscles in the walls of the arterioles to contract, the resulting vasoconstriction actually helps to control minor bleeding rather than increasing it. Heat therapy would cause vasodilation and potentially increase bleeding, but cold is a standard intervention for promoting hemostasis. Any observation of increased bleeding following the application of ice would be an abnormal finding and could indicate that the cold has caused skin shivering or other unintended systemic reactions.