The nurse is reviewing a patient's electrocardiogram. Which wave should the nurse identify as being the second positive wave in a normal cardiac cycle?
a. Q wave
b. R wave
c. S wave
d. T wave
ANS: B
R waves are the second positive wave in a normal cardiac cycle. A. The Q wave is the first negative wave. C. D. These waves are not the second positive wave in the cardiac cycle.
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The nurse's friend says, "I've been thinking about going to that health care clinic in the grocery store so someone can look at my daughter's rash. What do you think?" Which response by the nurse is appropriate?
1. "Most of those retail clinics are not very good. I'd go somewhere else." 2. "That would be okay, but you have to pay extra for the convenience." 3. "If the nurse practitioner at the clinic thinks the rash is significant, you will be referred for additional care." 4. "I would use the clinic for myself, but not for my children."
The nurse caring for clients with STDs knows that which diseases are reportable in all states? (Select all that are correct.)
a. Chlamydia b. Gonorrhea c. Herpes simplex virus (genital) d. Human papilloma virus e. Syphilis
Which information is most important for the nurse to report to the health care provider before a patient with type 2 diabetes is prepared for a coronary angiogram?
a. The patient's most recent HbA1C was 6.5%. b. The patient's admission blood glucose is 128 mg/dL. c. The patient took the prescribed metformin (Glucophage) today. d. The patient took the prescribed captopril (Capoten) this morning.
Which statement is true about a descriptive study design?
a. It is not possible to operationally define variables in this type of study. b. Sample selection and size cannot be controlled in descriptive studies. c. This type of design is used to identify problems occurring in practice. d. Variables may be manipulated to avoid bias in this type of study.