The nurse researcher plans to use systematic random sampling to determine participants in a study. Which components are necessary to begin this selection? Standard Text: Select all that apply
1. Population list
2. Sampling interval
3. Random starting point
4. Undetermined sample size
5. Cluster definitions
1, 2, 3
Rationale 1: A list of population elements is necessary for systematic selection.
Rationale 2: A sampling interval must exist in order for systematic selection to occur.
Rationale 3: A random starting point is chosen from which the selection begins.
Rationale 4: The researcher must define the desired sample size prior to the selection.
Rationale 5: Clusters are not used in systematic random sample selection.
Global Rationale:
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The nurse is teaching young parents on the proper techniques for feeding young children who are bottle-fed. The nurse should instruct the parents to feed the children in an upright position in order to prevent:
1. Sinus infection. 2. Choking. 3. Aspiration. 4. Otitis media.
After pulmonary surgery, the patient returns to the critical care unit with a left pleural chest tube in place connected to a disposable three-chamber unit that is connected to suction at negative 20 cm H2O
What must the nurse ensure so that the goal for chest tube placement is met? A) The water-seal chamber has the amount of water defined by the manufacturer. B) The suction control chamber has vigorous bubbling at all times. C) The drainage unit is prepared using sterile water only. D) Suction is applied between negative 10 and 20 cm H2O.
The nurse is caring for a critically ill patient and completes a gastrointestinal assessment every 4 hours. What is the best rationale for this nursing action?
A) Part of routine care for all critically ill patients B) Ordered by the physician for this patient C) Satisfies the nurse's curiosity D) Early identification of changes guides treatment decisions
To perform the Weber test, you would first strike the tines of a 512 Hz tuning fork on the ulnar border of the palm of your hand and then place the stem firmly
a. against the middle of the forehead. b. on the patient's jaw. c. on top of the head over the right ear and then repeat over the left ear. d. against the patient's right mastoid process.