The nurse should first address the client’s

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followed by the client’s

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.

Choice A rationale

While larger gauge catheters (e.g., 18-gauge) are used for rapid infusion, they also cause more trauma to the vein's intimal layer during insertion. This trauma can trigger a localized inflammatory response, increasing the risk of phlebitis, which is inflammation of the vein. Smaller gauge catheters (e.g., 22-24 gauge) cause less trauma and are preferred for routine fluid administration to prevent this complication.

Choice B rationale

The non-dominant arm is the preferred site for IV access whenever possible. Using the non-dominant arm allows the client to maintain more normal function and independence with daily activities, as they can still use their dominant hand without the restriction of the IV line. This also minimizes the risk of accidental dislodgement or trauma to the site.

Choice C rationale

Selecting a site proximal to previous venipuncture sites is the recommended practice. When a vein is punctured, it can cause localized inflammation and scar tissue formation distal to the site. Starting proximal allows for the use of a healthier segment of the vein, which improves the likelihood of successful insertion and reduces the risk of extravasation or phlebitis.

Choice D rationale

The palmar side of the client's wrist should be avoided for IV insertion. This area contains a high concentration of nerves and tendons, including the median nerve and radial artery. Inserting a catheter here increases the risk of nerve damage, which can lead to permanent numbness, tingling, or pain, and also increases the risk of arterial puncture. *.

Choice A rationale

Crusting along the incision line is the result of dried serous fluid and blood, which is a normal part of the wound healing process during the inflammatory phase. This finding alone is not indicative of a surgical site infection, which is characterized by other signs.

Choice B rationale

A temperature of $37.2^\circ C$ ($99^\circ F$) is within the normal range for body temperature ($36.1^\circ C$ to $37.2^\circ C$ or $97^\circ F$ to $99^\circ F$). An elevated temperature, specifically a fever, is a systemic sign of infection. A low-grade fever might be a subtle sign, but this temperature is not high enough.

Choice C rationale

Pink coloration of the incision line is a normal finding in the early stages of wound healing, representing angiogenesis, the formation of new blood vessels. This process is crucial for tissue repair and does not indicate a surgical site infection, which is typically characterized by erythema and warmth.

Choice D rationale

Swelling, or edema, is a classic sign of inflammation and infection. While some minor swelling is normal, swelling that extends significantly beyond the wound margins, such as 3.8 cm (1.5 in), indicates a heightened inflammatory response potentially due to bacterial proliferation and infection. *.