Which of the following questions should the nurse ask in order to judge the validity of a research study?
a. What reliability information has been provided?
b. Are the instrument measures applied consistently?
c. Does the instrument measure what it is supposed to measure?
d. How much random error exists?
A
Validity and reliability are inseparable because they test whether instruments, tools, machines, and research designs will give accurate results with the questions or hypotheses being studied. Options b, c, and d are questions to determine reliability.
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A patient is on call to the OR for an aortobifemoral bypass and the nurse administers the ordered preoperative medication. After administering a preoperative medication to the patient, what should the nurse do?
A) Encourage light ambulation. B) Place the bed in a low position with the side rails up. C) Tell the patient that he will be asleep before he leaves for surgery. D) Take the patient's vital signs every 15 minutes.
Which findings would indicate possible compromise of ulnar nerve integrity following surgical repair of a patient's elbow?
1. Edema in the forearm that is rated 3+ 2. Pain radiating from the wrist to the middle finger 3. Inability to make the "OK" sign by bringing the thumb to the fourth or fifth finger 4. Slight flexion limitation (less than 15 degrees) during passive ROM
What changes in sleep patterns are often seen in older adults? (Select all that apply.)
a. Inability to sleep throughout the night b. Sleeping soundly all night c. Increase in the number of hours asleep at night d. Difficulty in arousing from deep sleep e. Waking up early
Antidepressants are given only orally
Indicate whether the statement is true or false