A researcher correlates self-confidence measures with obesity rates and determines an r value of 0.8. What can the reviewer conclude when evaluating this research?
a. There is a 36% chance that variation in one score is the result of variation in the other score
b. There is a 64% chance that variation in one score is the result of variation in the other score
c. There is a 64% chance that variation in one score is the result of variation in something other than the other score
d. There is a weak correlation between these two variables
ANS: B
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A 54-year-old woman is being admitted to the postsurgical unit following a transverse rectus abdominis myocutaneous (TRAM) flap. The patient's care plan specifies the use of preemptive analgesia. This approach to pain control will involve
A) frequent administration of high-dose opioids. B) simultaneous use of analgesics from different drug classes. C) alternating administration of opioid antagonists with opioid agonists. D) patient-controlled analgesia.
The prehospital nurse is screening several people injured in a store robbery. Of those injured, the nurse should encourage which one to seek additional care at the nearest emergency department?
1. Male in his mid-20s who had several light boxes of products fall on him while the robbers ran through the store 2. Teenage female who took cover under a shelving unit and sustained a scratch on her arm 3. Middle-age female who crouched down in a corner of the room and strained her knee 4. Elderly male who was briefly unconscious
The purpose of the nursing health history is to determine:
A) The patient's response to the health problem. B) The extent of the health problem. C) Which medications are appropriate to alleviate the health problem. D) All of the above.
Cholesterol, a waxy substance found in all cell membranes, is found only in what foods?
A) Saturated fats B) Hydrogenated fats C) Foods made from plants D) Animal products