Voters have recently decided to have fluoride added to the city water system. Epidemiolo-gists wanting to study the effect of fluoride on dental caries would be conducting a:
1. Ecologic study
2. Double-blind study
3. Community trial
4. Screening
3
This is similar to clinical trials, but the issue is often health promotion and disease prevention rather than treatment of existing disease.
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The nurse is planning care for a client in her first trimester of pregnancy who is experiencing nausea and vomiting. Which interventions should the nurse plan to teach this client? (Select all that apply.)
a. Suck on hard candy. b. Take prenatal vitamins in the morning. c. Try some herbal tea to relieve the nausea. d. Drink fluids frequently but separate from meals. e. Eat crackers or dry cereal before arising in the morning.
The nurse monitors the blood glucose levels of a patient being treated with insulin for diabetic ketoacidosis to ensure glucose levels decline at the rate of 50-70 mg/dL/hour because:
1. When blood glucose drops rapidly fluids shift out of the cell, which increases dehydration, causing severe hypovolemic shock. 2. When blood glucose drops rapidly severe damage to the brain results from metabolic alkalosis. 3. A rapid drop in blood glucose can result in hypokalemia, causing life-threatening arrhythmias. 4. A rapid drop in blood glucose can result in formation of thromboses as a result of dehydration.
The patient takes a skeletal muscle relaxer for back pain. A consulting physician orders hydroxyzine (Vistaril) for the patient and he begins taking it. What will the best assessment by the nurse reveal?
1. Confusion 2. Hypertension 3. Respiratory depression 4. Delirium
Specks or spots in the vision where the patient cannot see; "blind spots"
What will be an ideal response?