Which statement is correct regarding the role of vitamins in metabolism?
1. Large quantities are required to meet the metabolic needs of an active individual.
2. Vitamins are inorganic compounds.
3. Vitamins are needed for energy transformation and to regulate metabolic processes.
4. Vitamins serve as an energy source along with proteins, carbohydrates, and fats.
Correct Answer: 3
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The patient has been given the wrong medication and asks the nurse if an error has been made. Which of the following principles would apply if the nurse gives an accurate response?
A) Veracity B) Confidentiality C) Respect D) Justice
If the PR interval is abnormal, the nurse would assess for conditions affecting the timing of impulse transmission from which parts of the cardiac conduction system?
1. SA node to the ventricles 2. Bundle of His to the ventricles 3. AV node to the ventricles 4. Purkinje fibers to the ventricles
A nurse is planning to conduct research in a rural setting. Which of the following areas of re-search may be of most importance to rural nursing practice?
a. Information about residents living in the intermountain and Midwestern regions b. Information on the stressors and rewards of rural practice c. Studies related to moving from rural en-vironments to urban ones d. Studies about the effects of air pollution
Which of the following statements is true concerning the use of bilberry as a complementary therapy for cataracts?
a. The body converts bilberry to vitamin A, which helps to maintain a healthy lens. b. Bilberry blocks an enzyme that leads to sorbitol accumulation that contributes to cataract formation in diabetes. c. Bilberry boosts oxygen and blood delivery to the eye. d. Bilberry is a good choice for patients with diabetes as it does not interact with antidiabetic drugs.