A dietitian is providing an in-service for the nurses on a medical-surgical unit. During the in-service, the dietitian informs the group that there are six classes of nutrients, and three supply the body with energy. Which of the following are the three energy-supplying nutrients?
Carbohydrates, proteins, and lipids.
Vitamins, minerals, and water.
Water, lipids, and proteins.
Lipids, vitamins, and minerals.
The Correct Answer is A
The correct answer is choice A, "Carbohydrates, proteins, and lipids." These three nutrients are macronutrients and supply the body with energy when consumed. Carbohydrates provide 4 kilocalories (kcal) per gram, proteins provide 4 kcal per gram, and lipids (fats) provide 9 kcal per gram. Vitamins, minerals, and water are essential for overall health and body function, but they do not supply energy to the same extent as macronutrients.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","D"]
Explanation
The correct answer is choices B, C, and D.
When assessing respiratory rate, it is important to count for a full respiratory cycle, which includes both inhalation and exhalation. If the respiratory rate is regular, the nurse can count for 30 seconds and multiply by 2 to obtain the total number of breaths per minute. The nurse should also observe the depth and rhythm of the respirations, noting any abnormalities or changes. It is not recommended to pretend to take the radial pulse while assessing respiratory rate, as this can lead to inaccurate readings and is not a professional approach to care
Correct Answer is B
Explanation
The PCA (patient-controlled analgesia) pump is programmed to deliver a dose of 0.5 mg of morphine every 15 minutes as needed. This setup means that only 1 dose can be administered every 15 minutes, regardless of how many times the patient presses the button.
Since 60 minutes have passed, the maximum number of doses the patient could receive is calculated as follows:
60 minutes/ 15 minutes per dose= 4 doses
Even though the patient pressed the button 10 times, the pump will only deliver a dose every 15 minutes, resulting in 4 doses.
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