Which of the following is not an assumption or requirement for Pearson's r?
a. One variable is conceptualized as a cause, the other as the effect.
b. Measurement of both variables is on an interval or ratio scale.
c. The distribution of the two variables is bivariate normal.
d. Values on the two variables are homoscedastic.
A
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The nurse is administering packed red blood cells to a child with sickle-cell disease (SCD). The nurse knows that a transfusion reaction will most likely occur:
1. Six hours after the transfusion is given. 2. At the end of the administration of the transfusion. 3. Within the first 20 minutes of administration of the transfusion. 4. Never; children with SCD do not have reactions.
Which of the following would be an expected outcome for the patient who is 12 hours status-post hip replacement?
a. Increase mobility and decrease pain. b. Care for catheter independently. c. Walk without assistance. d. Bathe daily in tub.
Following an angiogram, the nurse will make a point of care to assess and document:
1. fluid intake. 2. peripheral pulses in effected leg. 3. inquiring about allergy to iodine. 4. decreased blood pressure.
When a researcher writes a proposal for studying the amount of fear preoperative patients experience, which element of the proposal justifies conducting the study in the first place?
a. Identification of a research gap b. Choice of a framework c. Selection of an appropriate methodology d. Conduct of a systematic review