The least-squares principle:
A) Controls variability in the dependent variable attributable to extraneous variables
B) Maintains the independence of factors by rotation
C) Partitions and analyzes variance
D) Minimizes errors of prediction
D
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Early signs of renal failure, like increased BUN and serum creatinine, occur when
A) 20 to 30% of renal function is lost. B) 30 to 40% of renal function is lost. C) 40 to 50% of renal function is lost. D) 50 to 60% of renal function is lost.
The nurse is caring for a patient who has dysfunctional grieving after the traumatic loss of a spouse. The patient tells the nurse, "I'm so mad at God." What nursing diagnosis would be most appropriate for this patient?
1. Hopelessness 2. Powerlessness 3. Risk for violence 4. Spiritual distress
Which nursing intervention best demonstrates the nurse's mindfulness to the patient with depression?
1. Explaining medication effects to the patient 2. Focusing on the patient's immediate needs 3. Letting the patient know that time heals all sorrow 4. Caring for the patient with an honest and nonjudgmental attitude
While in the dayroom, one of the patients becomes very agitated and begins to threaten to harm the other patients and is directing violence at the other patients and staff. What is the most ap-propriate nursing implementation?
a. Decrease the stimuli and use restraints if all other measures fail. b. Offer to call the physician and ask another staff member to call security. c. Remove harmful objects and try to per-form relaxation exercises with the patient. d. Restrain the patient and do not allow him or her to eat or drink anything by mouth.