Nokea
To simplify food values the measurement of energy obtained by food is defined as the __.
Correct Answer: kilocalorie
Rationale: The kilocalorie is the energy value by which foods are measured for their energy-producing potential.
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The nurse is providing information about high cholesterol levels. What is the rationale for avoiding saturated fats?
- A. They block absorption of nutrients.
- B. They interfere with metabolism.
- C. They increase blood cholesterol.
- D. They must be hydrogenated.
Correct Answer: C
Rationale: Saturated fats tend to increase blood cholesterol.
At approximately 4 to 6 months of age solid food is introduced to a baby. What foods with high iron content should be recommended by the nurse?
- A. Pureed fruit
- B. Fortified cereals
- C. Fruit juice
- D. Rice
Correct Answer: B
Rationale: At approximately 4 to 6 months, iron-rich foods, such as fortified cereal and pureed meat, are introduced to a baby.
The body uses 22 common amino acids but 9 of them must be obtained from protein in the diet. What are these proteins considered?
- A. Essential
- B. Basic
- C. Fundamental
- D. Primary
Correct Answer: A
Rationale: Essential amino acids must be consumed in the diet, because the body cannot make them.
The nurse has assessed a patient's body mass index (BMI) to be 19.6. This assessment of weight versus height indicates that this patient's weight category is in which category?
- A. Low health risk
- B. Overweight
- C. Obese
- D. Morbidly obese
Correct Answer: A
Rationale: A BMI between 18.5 and 24.9 is associated with the lowest health risk. Those with BMIs between 25 and 29.9 are considered overweight, and those with BMIs of 30 or greater are considered obese. A BMI of less than 18.5 is considered underweight and is also associated with health risks.
A patient taking a diuretic is assessed by the nurse as having an erratic pulse and muscle weakness. What electrolyte should the nurse suspect is deficient?
- A. Sodium
- B. Potassium
- C. Chloride
- D. Iron
Correct Answer: B
Rationale: Diuretics can deplete potassium through urine excretion and lead to muscle weakness and cardiac arrhythmias.