Which of the following is a characteristic of iron nutrition?
a. Absorption is improved on diets high in phytates
b. Iron deficiency and iron overload share some of the same signs and symptoms
c. The risk for acute iron toxicity is highest among women of childbearing age
d. Iron overload results from a genetic predisposition for excessive synthesis of ferritin
e. Consumption of calcium-rich foods increases absorption.
ANS: B
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What accounts for the higher energy density of a fatty acid compared with the other energy-yielding nutrients?
a. Fatty acids have a lower percentage of hydrogen-oxygen bonds. b. Fatty acids have a greater percentage of hydrogen-carbon bonds. c. Other energy-yielding nutrients have a lower percentage of oxygen-carbon bonds. d. Other energy-yielding nutrients undergo fewer metabolic reactions, thereby lowering the energy yield. e. Other energy-yielding nutrients have a lower percentage of oxygen-hydrogen bonds.
The nurse is working with a patient who recently had a stroke. The patient frequently chokes and coughs when eating and is having difficulty feeding herself. The nurse understands that the best way to ensure adequate nutrition for the patient may be:
a. to have an aid feed her each meal. b. to tube feed the patient. c. to ask a family member to be present at each meal. d. to place the patient on TPN.
What is the Tolerable Upper Intake Level (UL) for zinc for adults?
a. 20 mg b. 40 mg c. 80 mg d. 120 mg e. 160 mg