Which laboratory result indicates the presence of malnutrition?

Hemoglobin (Hgb) 11.3 g/dL

Pre-albumin 10 mg/dL

Creatinine 1.9 mg/dL

Hematocrit (Hct) 56%

Answer and Explanation

The Correct Answer is B

a) Hemoglobin (Hgb) 11.3 g/dL: While a hemoglobin level of 11.3 g/dL is slightly below normal, it is not a definitive indicator of malnutrition. It may be related to anemia but not necessarily malnutrition.

b) Pre-albumin 10 mg/dL: Pre-albumin is a protein that reflects short-term nutritional status. A value of 10 mg/dL is below the normal range and suggests malnutrition, as pre-albumin levels decrease in states of inadequate protein intake.

c) Creatinine 1.9 mg/dL: Elevated creatinine levels typically indicate kidney dysfunction, not malnutrition. It is a marker of kidney health, not nutritional status.

d) Hematocrit (Hct) 56%: A hematocrit level of 56% is elevated, which could indicate dehydration, polycythemia, or other conditions, but it is not a direct indicator of malnutrition.

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Correct Answer is B

Explanation

a) Interstitial fluid: Interstitial fluid is the fluid that surrounds cells, not the fluid within the cells themselves.

b) Intracellular fluid (ICF): Intracellular fluid makes up about 70% of total body water and is found inside the cells. This is the fluid that plays a key role in cellular functions.

c) Intravascular fluid: Intravascular fluid refers to the fluid within the blood vessels (plasma), which makes up about 5% of total body water.

d) Extracellular fluid (ECF): Extracellular fluid includes both interstitial fluid and intravascular fluid, but it is not the fluid within the cells.

A. vitamins, minerals, and water carbohydrates, protein, and lipids B. lipids, vitamins, and minerals C. carbohydrates, protein, and water D. carbohydrates, protein, and lipids

Correct Answer is D

Explanation

a) Vitamins, minerals, and water carbohydrates, protein, and lipids: While vitamins, minerals, and water are essential nutrients, they do not provide energy. The correct sources of energy are carbohydrates, proteins, and lipids.

b) Lipids, vitamins, and minerals: Lipids provide energy, but vitamins and minerals do not.

c) Carbohydrates, protein, and water: Water does not provide energy, although carbohydrates and proteins do.

d) Carbohydrates, protein, and lipids: Carbohydrates, proteins, and lipids are the three macronutrients that provide energy to the body. These nutrients are broken down to release energy (calories) for bodily functions.

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Which laboratory result indicates the presence of malnutrition?

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Naxlex Comprehensive Predictor Exams

Which body fluid is the fluid within the cells, constituting about 70% of the total body water?

Correct Answer is B

Explanation

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. What are the three sources of energy?

Correct Answer is D

Explanation

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