Variables that confuse the effect of the independent variable on the dependent variable, so that the research results do not really reflect a true relationship between the independent and dependent variables are
a. extraneous variables.
b. random variables.
c. within-group variables.
d. control variables.
a. extraneous variables.
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After delivery, a mother asks the nurse about newborn screening tests. The nurse explains that what is the optimal time for testing for phenylketonuria?
a. In the first 24 hours of life b. After 2 to 3 days c. At 4 to 6 weeks of age d. At 2 months of age
When told that he is scheduled to interview a patient with narcissistic personality disorder, the nurse can anticipate the assessment findings will include the following:
a. charm, drama, seductiveness, and admiration seeking. b. preoccupation with minute details and perfectionism. c. difficulty being alone, indecisiveness, and submissiveness. d. grandiosity, self-importance, and a sense of entitlement.
What are some reasons the nurse might withhold food and fluids from a client? Select all that apply
A) A competent and informed client refuses them. B) A son decides that it is his father's time to die. C) It is determined to be more harmful to administer them than to withhold them. D) A schizophrenic client believes that they are being poisoned. E) The nurse thinks that the client is in too much pain.
The 75-year-old woman newly admitted to a long-term care facility seems fearful of her surroundings and is frequently tearful, saying, "I don't know what to do!" What action by the nurse would most help decrease her fear?
a. Help the resident identify and verbalize her specific fears. b. Assure the resident that she has nothing to be afraid of. c. Keep the light on in the resident's room 24 hours a day. d. Play quiet music on the resident's radio.