Normal range for oxygen saturation via pulse oximeter is?
80-100%
93-100%
90-100%
95-100%
The Correct Answer is D
A: An oxygen saturation range of 80-100% is incorrect. Saturation levels below 90% are considered low and may indicate hypoxemia, requiring medical attention.
B: An oxygen saturation range of 93-100% is generally acceptable, but the ideal range is slightly higher to ensure adequate oxygenation.
C: An oxygen saturation range of 90-100% includes levels that are borderline low. While 90% is often used as a threshold for concern, the optimal range is higher.
D: An oxygen saturation range of 95-100% is considered normal and indicates adequate oxygenation of the blood. This range ensures that tissues receive sufficient oxygen to function properly.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A: Vitamin D is important for bone health and immune function but is not the primary nutrient for wound healing.
B: Protein is essential for wound healing. It provides the building blocks (amino acids) necessary for tissue repair and regeneration. Adequate protein intake supports the formation of new tissue and the healing process.
C: Vitamin B is important for energy metabolism and overall health but is not the primary nutrient for wound healing.
D: Calcium is crucial for bone health and muscle function but is not the primary nutrient for wound healing. Protein plays a more direct role in the repair and regeneration of tissues.
Correct Answer is A
Explanation
A: The passage of flatus is a clear indication that intestinal function is returning. It shows that the gastrointestinal tract is beginning to move gas through the intestines, which is a positive sign of recovery after abdominal surgery.
B: A request for a cup of tea and some toast indicates that the client is feeling better and has an appetite, but it does not specifically indicate the return of intestinal function.
C: Hypoactive bowel sounds in two quadrants suggest reduced intestinal activity, which is not a sign of returning intestinal function. Normal bowel sounds should be present in all quadrants.
D: Abdominal distention can indicate a buildup of gas or fluid in the intestines, which is not a sign of returning intestinal function. It may suggest an obstruction or other complications.
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