D 440 D440 Final Exam Latest

D 440 / D440 Final Exam (Latest Update 2025 / 2026) Health and Wellness Through Nutritional Science Guide | Test Questions and Answers | Grade A | 100% Correct - WGU

Question:

How do you measure placement for NG tube?

Answer:

start at the tip of the nose, go to the ear lobe, then the xiphoid process

Question:

How do you verify placement on the initial insertion?

Answer:

xray

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Question:

What is enteral nutrition?

Answer:

Delivery through a tube into the stomach or the GI

Question:

What is parenteral nutrition?

Answer:

nutritional feeding through the vein (IV)

Question:

When is an NG tube used?

Answer:

used for pt with dysphagia, stroke, facial/neck burns, trauma to head/neck, end of life, impaired swallowing

Question:

What is the first thing you do before feeding through an NG tube?

Answer:

check placement 2 / 4

Question:

What should you do to the bed before feeding through an NG tube?

Answer:

elevate the head of the bed to 30-45 degrees

Question:

What should the temperature be like for tube feedings?

Answer:

room temp to avoid cramps

Question:

What is the greatest risk for using an NG tube?

Answer:

aspiration

Question:

What should you do when checking placement of an NG tube AFTER the initial placement?

Answer:

aspirate contents and CHECK pH 3 / 4

Question:

What should you do before bolus feeding?

Answer:

verify bowel sounds and position pt in Fowler's position on the right side to prevent vomiting

Question:

What should you have the pt do when removing the NG tube?

Answer:

pt should take a deep breath and hold it

Question:

How often should you change the bags for tube feeding?

Answer:

• hours for open bags and 24-48 hours for closed bags to prevent bacteria

growth

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