A critically ill patient is being treated in a burn unit ...

[washai]

A critically ill patient is being treated in a burn unit following a workplace accident. The patient's current treatment includes an intragastric drip of an antacid through a nasogastric tube.
 
  How should the critical care nurse most accurately titrate the dose and frequency of administration? A) By assessing the pH of a 24-hour urine sample
  B) By aspirating stomach contents and measuring the pH
  C) By measuring the pH of urine after each void
  D) By swabbing the patient's buccal mucosa and testing for pH daily

Question 2

A 55-year-old woman is diagnosed with a vitamin D deficit. What disorder results from this deficit?
 
  A) Chondromalacia
  B) Chondritis
  C) Osteomalacia
  D) Osteopenia

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Answer to Question 1

B
Feedback:
For patients with a nasogastric tube in place, antacid dosage may be titrated by aspirating stomach contents, determining pH, and then basing the dose on the pH. Accurate measurement of gastric pH cannot be determined from the buccal mucosa or urine.

Answer to Question 2

C
Feedback:
In adults, vitamin D deficiency causes osteomalacia, a condition characterized by decreased bone density and strength. Chondromalacia is characterized as a softening of the patella. Chondritis is an inflammation of the cartilage. Osteopenia is a decrease in bone tissue.

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