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 B
Explanation
Choice A rationale
While a sudden and significant asymmetry in breast size or shape could indicate a new issue such as inflammation or a growth and warrants investigation, a slight, long-standing asymmetry is quite common among women. It does not automatically signify a pathological condition.
Choice B rationale
It is a well-established fact that many women have some degree of natural asymmetry in their breast size and shape. However, it is crucial for the nurse to ascertain if this finding is new for the patient. A recent change in asymmetry could be a sign of a developing condition that requires further evaluation.
Choice C rationale
While any new or significant asymmetry should be evaluated by a physician to rule out underlying issues, a long-standing, slight asymmetry is a common physiological variation and does not necessarily require immediate referral unless other concerning signs or symptoms are present.
Choice D rationale
Breastfeeding can sometimes cause temporary changes in breast size due to milk production and engorgement, and one breast might produce slightly more milk than the other. However, a noticeable and persistent asymmetry might predate breastfeeding or persist beyond it, and while it might be benign, attributing it solely to breastfeeding without further assessment of its history is not prudent. .
Correct Answer is B
Explanation
Choice A rationale
Sublingual medications are designed to be absorbed directly into the bloodstream through the highly vascular mucous membranes under the tongue. Dissolving it in water and administering it through an NG tube would bypass this route, potentially altering the drug's absorption and effectiveness, as it would then be processed through the gastrointestinal system.
Choice B rationale
Administering the medication under the client's tongue ensures that it is absorbed sublingually, bypassing the gastrointestinal tract. This is the intended route for this medication, allowing for rapid absorption and avoiding potential interactions or degradation in the digestive system. The rich blood supply under the tongue facilitates quick entry into systemic circulation.
Choice C rationale
Requesting an oral formulation might be an option if the sublingual route is absolutely contraindicated, but it doesn't address the immediate situation. Oral medications have different absorption rates and may be unsuitable for a client with an NG tube if they have swallowing difficulties or other gastrointestinal issues.
Choice D rationale
Crushing a sublingual medication and administering it through an NG tube is inappropriate. This alters the intended drug delivery mechanism and could lead to unpredictable absorption, potential blockage of the NG tube, and loss of the medication's intended effect. Sublingual formulations are not designed for enteral administration.
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