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Question 1

When performing nasogastric (NG) tube insertion, which action confirms correct placement before use?

Accepted Answer

Testing pH of aspirate and confirming with X-ray

Answer

The most reliable method to confirm NG tube placement is obtaining a gastric aspirate with pH ≤5 combined with radiographic confirmation via X-ray.

Question 2

A nurse is changing a wound dressing with moderate serosanguineous drainage. Which dressing type is MOST appropriate?

Accepted Answer

Alginate or foam dressing

Answer

Alginate and foam dressings are highly absorbent and are specifically designed for wounds with moderate to heavy exudate.

Question 3

Which position is MOST appropriate for a patient experiencing hypovolemic shock?

Accepted Answer

Modified Trendelenburg (legs elevated 20–30 degrees)

Answer

Modified Trendelenburg positioning elevates the legs to promote venous return and increase preload in a hypovolemic patient.

Question 4

When obtaining a blood specimen from a central venous catheter (CVC), the nurse should first discard how much blood?

Accepted Answer

5–10 mL

Answer

Discarding 5–10 mL of blood from a CVC clears the line of flush solution and heparin to ensure accurate lab results.

Question 5

Which finding indicates that a peripheral IV site has become infiltrated?

Accepted Answer

Coolness, pallor, and swelling at the site

Answer

Infiltration occurs when IV fluid infuses into surrounding tissue, causing coolness, pallor, swelling, and discomfort rather than the warmth of phlebitis.

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