The category of nutrients that has a role in the production of hormones and helps protect body organs is
a. lipids.
b. fibers.
c. protein.
d. carbohydrates.
A
Many lipids are used in the body to form hormones and lipids provide a protective layer of pad-ding around body organs. Dietary fiber does not leave the gastrointestinal tract. Protein is an im-portant part of many body structures but does not necessarily protect body organs; proteins may act as carriers for hormones, but are not used to make the hormones themselves. Carbohydrates are a source of energy and have no real role in body structure or hormonal regulation.
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A nurse is teaching a group of nursing students about how cytotoxic anticancer drugs affect normal cells. Which statement by a student indicates an understanding of this teaching?
a. "Cytotoxic drugs lack tissue specificity." b. "Cytotoxic drugs have a high degree of selective toxicity." c. "Differences between cancer cells and normal cells are qualitative." d. "Neoplastic cells and normal tissue cells are very different."
There is a greater risk of making which error with a directional hypothesis?
a. Concluding that there is a difference between groups when there really is no difference b. Concluding that there is no difference between groups when there is an inverse relationship c. Concluding that there is no difference between groups when there really is a difference d. Rejecting the null hypothesis when the measurement error is moderate
A patient in diabetic ketoacidosis is comatose with a temperature of 102.2 ° F. The nurse would suspect
a. head injury. b. infarct of the hypothalamus. c. infection. d. heat stroke.
Which breakfast choice indicates a patient's good understanding of information about a diet for celiac disease?
a. Oatmeal with nonfat milk b. Whole wheat toast with butter c. Bagel with low-fat cream cheese d. Corn tortilla with scrambled eggs