A nurse is providing dietary education for a client. Which statement by the client indicates an understanding of dietary antioxidants?
A) "Vitamin E is one of the most important dietary lipid-soluble antioxidants."
B) "Antioxidants are only found in healthy, whole foods."
C) "Vitamin C is a dietary, fat-soluble antioxidant."
D) "Dietary vitamins are an example of enzymatic antioxidants."
A) "Vitamin E is one of the most important dietary lipid-soluble antioxidants."
Explanation: A) Vitamin E is one of the most important dietary, fat-soluble antioxidants.
B) Antioxidants are found in healthy, whole foods, but can also be found in some medications.
C) Vitamin C is an example of a dietary, water-soluble antioxidant.
D) Both Vitamin C and Vitamin E are examples of nonenzymatic antioxidants.
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A researcher wants to make sure that his experimental group and his control group are equivalent, so he uses random sampling followed by random assignment to group
What else must the researcher do to assure the consumers of his research that the groups were equivalent? (Select all that apply.) a. Report the sameness or difference of potentially extraneous variables, using post hoc statistical testing. b. Eliminate all other extraneous variables from the analysis. c. Rebalance the samples, controlling for all potentially extraneous variables, by moving subjects back and forth until both groups have the same distribution of all variables. d. Randomly assign the sample again, hoping for a better outcome the second time. e. Report the sameness or difference of subgroups possessing unequal proportions of any potentially extraneous variable, with respect to the dependent variable.
The nurse is observing a client performing stoma care for a laryngectomy for the first time. Which action does the nurse reinforce?
a. Washing the stoma with soap and water b. Covering the stoma with a gauze pad c. Irrigating the stoma with half-strength peroxide d. Making sure any scab around the stoma is removed
The nurse is reviewing the results of laboratory and diagnostic tests conducted on a patient experiencing respiratory dysfunction. Which results confirm the nurse's suspicion that the patient has cystic fibrosis?
Select all that apply. 1. patchy infiltrates on chest x-ray 2. mediastinal shift on chest CT scan 3. oxygen saturation 82% on room air 4. chloride concentration of sweat 85 mEq/L 5. reduced total lung capacity from pulmonary function test
Which is a clinical manifestation of the systemic venous congestion that can occur with heart failure?
a. Tachypnea b. Tachycardia c. Peripheral edema d. Pale, cool extremities