Which of the following indexes of dispersion tends to be least stable—most likely to fluctuate from one sample to another from the same population?
a. Range
b. IQR
c. Standard deviation
d. Variance
A
You might also like to view...
A patient who has suffered a spinal cord injury at C4 is experiencing a sudden change in condition. His BP is 186/101; heart rate is 45; and he is profusely sweating and complaining of "not feeling right." The nurse should
A) call a "Code Blue." B) page physician stat. and ask for an antihypertensive medication. C) palpate his bladder for overdistention. D) place his bed flat and elevate the foot of the bed.
A patient has recently returned to the cardiac care unit from PACU following coronary artery bypass graft (CABG). During the nurse's assessment of the patient, the patient acknowledges pain that he rates at 9 on a 0-to-10 pain scale
How should the nurse best respond to this assessment finding? A) Determine how the patient's pain responds to increased physical activity. B) Explain to the patient that significant pain is expected during the immediate postoperative phase. C) Teach the patient nonpharmacologic interventions for pain management. D) Try to differentiate between incisional pain and anginal pain.
When explaining how verapamil (Calan) produces its effects on the cardiovascular system, which of the following would the nurse integrate into the explanation? Select all that apply
A) Reduction in the release of renin B) Dilation of coronary arteries C) Dilation of peripheral arteries D) Slowed conduction through the SA and AV nodes E) Membrane-stabilizing effects
The nurse is caring for a 77-year-old patient diagnosed with Crohn's disease. What would be especially important to monitor this patient for?
A) Pain B) Fluid overload C) Fatigue D) Dehydration