A nurse is teaching a patient about the importance of balancing proteins, carbohydrates, and fats in the diet.
The nurse identifies that the teaching about carbohydrates is understood when the patient states that carbohydrates are known for providing which of the following?
Energy.
Electrolytes.
Minerals.
Vitamins.
The Correct Answer is A
Choice A rationale
Carbohydrates are the body's primary source of energy. They are broken down into glucose, which cells use for fuel to perform various functions, including muscle contraction, nerve impulse transmission, and maintaining body temperature.
Choice B rationale
Electrolytes, such as sodium, potassium, and chloride, are minerals that carry an electrical charge and are crucial for fluid balance, nerve function, and muscle contraction. While some foods containing carbohydrates may also contain electrolytes, providing energy is not their primary function. Normal ranges for serum sodium are 135-145 mEq/L, potassium is 3.5-5.0 mEq/L, and chloride is 95-105 mEq/L.
Choice C rationale
Minerals are inorganic substances that the body needs for various functions, including building strong bones, transmitting nerve impulses, and maintaining fluid balance. Examples include calcium, iron, and zinc. While essential, they are not primarily known for providing direct energy. Normal ranges for serum calcium are 8.5-10.5 mg/dL, iron varies by gender (males: 65-175 mcg/dL, females: 50-170 mcg/dL), and zinc is 70-120 mcg/dL.
Choice D rationale
Vitamins are organic compounds that the body needs in small amounts for various metabolic processes. They do not directly provide energy but help the body utilize energy from carbohydrates, fats, and proteins. Examples include vitamin C, vitamin D, and B vitamins. Normal ranges vary widely depending on the specific vitamin.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A,B,C,D
Explanation
Choice A rationale
Verifying tube placement is the initial critical step to ensure the feeding is delivered into the gastrointestinal tract and not the respiratory system, thereby preventing aspiration. Methods for verification include pH testing of aspirate (target pH ≤ 5.5), and radiographic confirmation is the gold standard, especially after initial placement.
Choice B rationale
Checking the residual feeding contents before administering a new feeding is essential to assess the client's tolerance to the previous feeding and prevent overfeeding, which can lead to complications like abdominal distension, nausea, vomiting, and aspiration. A high residual volume may indicate delayed gastric emptying.
Choice C rationale
Administering the feeding follows confirmation of tube placement and assessment of residual volume. The feeding should be administered at the prescribed rate and volume, ensuring the client receives adequate nutrition and hydration. The client should be positioned with the head of the bed elevated at least 30-45 degrees during and for at least 30-60 minutes after feeding to minimize aspiration risk.
Choice D rationale
Evaluating the client's tolerance to the feeding is an ongoing process that involves monitoring for signs and symptoms such as abdominal distension, pain, nausea, vomiting, diarrhea, or aspiration. This evaluation helps determine if the feeding regimen needs adjustment in terms of rate, volume, or formula.
Correct Answer is B
Explanation
Choice A rationale
Light palpation is typically performed after auscultation to assess for superficial tenderness, muscle tone, and pulsations. Auscultation precedes palpation to avoid inducing artificial bowel sounds or altering existing ones due to manual pressure.
Choice B rationale
Auscultation of bowel sounds in all four quadrants is the next step in the abdominal assessment after inspection. Listening to bowel sounds provides information about the motility of the gastrointestinal tract and should be done before palpation or percussion, which can alter these sounds.
Choice C rationale
Percussion for tones in all four quadrants is usually performed after auscultation and before palpation. Percussion helps to assess the size and density of abdominal organs and to identify the presence of fluid or air.
Choice D rationale
Deep palpation is performed last in the abdominal assessment sequence to evaluate for deeper masses and aortic pulsations. It follows inspection, auscultation, and light palpation, allowing the nurse to gather preliminary information before applying deeper pressure. .
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