A researcher conducts a study to identify the relationship of lifestyle choices to the development of chronic diseases
The researcher surveys subjects and identifies diabetes mellitus, coronary artery disease, and renal disease in study subjects. These measures represent which level of measurement?
a. Interval
b. Nominal
c. Ordinal
d. Ratio
ANS: B
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Which of the following actions occurs in a cell-mediated response?
A) Toxins of invading antigens are neutralized. B) The invading antigens link together (agglutination). C) The invading antigens precipitate. D) T-cell lymphocytes survey proteins in the body and attack the invading antigens.
Which manifestations is the nurse likely to assess in a patient with stimulating effects of acute stress?
A) Dry skin, reduced respiratory rate B) Increased blood glucose levels, pupil dilation C) Hypotension, reduced visual perception D) Decreased urine production, hypoglycemia
Which condition is more common in African American women than in white women?
a. Light areolae b. Nipple inversion c. Retracted areolae d. Supernumerary nipples
A patient whose heart rate is 52 beats per minute reports feeling dizzy and light-headed. What is the nurse's best first action?
a. Start an IV line. b. Ask if the patient has experienced this before. c. Notify the prescriber immediately. d. Check the patient's blood pressure.