How are refractory disorders MOST commonly corrected?
a. corrective lenses c. laser photocoagula-tion
b. ocular muscle train-ing d. radial keratotomy
A
Refractive errors, the incorrect bending of light rays to focus on the retina, result in changes in visual acuity. This is corrected by prescription lenses or contact lenses, which bend the light rays correctly on the retina.
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A politically active community health nurse assists in drafting state legislation for alcohol use laws. Which principles of the World Health Organization should be integrated into the draft legislation? (Select all that apply.)
A) Legislation should be guided and formulated by the interests of local business owners. B) Alcohol policies should be equitable for all in the state. C) Alcohol policies should be sensitive to cultural contexts. D) Legislation should protect those with substance use disorders from serving extended prison sentences. E) Legislation should protect those exposed to the harmful effects of drinking by others.
Parents of a child with anemia of unknown cause learn that their child will be tested for sickle cell anemia. The parents ask the nurse to explain why after having a sickle solubility test the child is now going to have a hemoglobin electrophoresis
Which of the following explanations by the nurse would be most accurate? a. The physician has to verify the results of the first test and doesn't like to base a diagnosis on just one test. b. The solubility has to do with the sickle cell and the electrophoresis with the severity of the anemia. c. The solubility test has to do with what solutions will dissolve a sickle cell and the electrophoresis with determining the electrical charge. d. The solubility test is to detect the presence of hemoglobin S(Hb S), while the hemoglobin electrophoresis is to determine the amount of Hb S in the blood.
A client is having frequent premature ventricular contractions. A nurse would place priority on assessment of which of the following items?
A. Blood pressure and peripheral perfusion B. Sensation of palpitations C. Causative factors such as caffeine D. Precipitating factors such as infection
While examining a client, the nurse observes the client's chest to be barrel shaped. The nurse would interpret this as indicating which of the following?
A) Pneumonia B) Pectus excavatum C) Funnel chest D) Emphysema