According to Chelsea's BMI of 17, she would be classified as?
Class 1 obese.
Class 2 obese.
Underweight.
Normal weight.
The Correct Answer is C
Choice A rationale
A BMI of 30 or higher is classified as obese. Class 1 obesity is defined as a BMI between 30 and 34.9. Chelsea's BMI of 17 is significantly lower than this range.
Choice B rationale
Class 2 obesity is defined as a BMI between 35 and 39.9. Chelsea's BMI of 17 is considerably below this classification.
Choice C rationale
A BMI below 18.5 is classified as underweight. Chelsea's BMI of 17 falls within this range, indicating that her weight is lower than what is considered healthy for her height.
Choice D rationale
A normal weight range is typically defined as a BMI between 18.5 and 24.9. Chelsea's BMI of 17 is below this healthy range.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Canned tuna and salmon, while sources of protein and omega-3 fatty acids, are not particularly high in potassium. Clients taking potassium-wasting diuretics need foods rich in potassium to replace the electrolytes lost through increased urination.
Choice B rationale
Oranges and bananas are excellent sources of potassium. Potassium is an essential electrolyte that is often depleted by potassium-wasting diuretics like furosemide or hydrochlorothiazide. Consuming these fruits helps maintain adequate potassium levels, which are crucial for cardiac function and muscle contraction. The normal range for serum potassium is typically 3.5-5.0 mEq/L.
Choice C rationale
Dried fruits, such as apricots and raisins, are high in potassium. However, the question asks what the nurse *should* include, and while dried fruits are beneficial, fresh fruits like oranges and bananas are often more readily available and consumed in larger quantities.
Choice D rationale
Cow's milk contains potassium but is not specifically emphasized for clients on potassium-wasting diuretics. Other food sources like fruits and vegetables generally provide a more direct and often higher concentration of potassium without the added phosphorus and calcium found in milk, which may be considerations for some individuals.
Correct Answer is C
Explanation
Choice A rationale
The side-lying position with the head of bed at 30 degrees does not optimally align the nasal passages with the esophagus, increasing the risk of the NGT entering the trachea. Proper alignment facilitates easier and safer insertion into the stomach.
Choice B rationale
The tripod position is typically used for patients experiencing respiratory distress to maximize lung expansion. It does not provide the necessary head and neck alignment for safe nasogastric tube insertion.
Choice C rationale
Sitting the patient in an upright position, ideally between 45 to 90 degrees, uses gravity to aid the passage of the NGT down the esophagus. This position also allows the patient to cough effectively if the tube inadvertently enters the trachea.
Choice D rationale
Hyperextending the patient's head during NGT insertion can close off the esophagus and open the trachea, significantly increasing the risk of misplacement of the tube into the respiratory tract. The neck should be flexed forward with the chin to the chest during insertion.
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