Cross validation of a regression equation using a different sample or a random subset of a large sample is especially valuable for which of the following?
a. Simultaneous regression
b. Standard regression
c. Hierarchical regression
d. Stepwise regression
D
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The nurse provides care for a patient who experienced an extensive myocardial infarction (MI). The patient exhibits behavior characteristic of the denial stage of the grieving process. How should the nurse approach the patient's denial?
A) Reinforce and support the patient's denial. B) Let the patient know that the nurse is available to talk. C) Point out other patients with MIs who are doing well. D) Explain to the patient that he needs to accept his diagnosis.
An older client with diabetes mellitus has received a thorough medical examination and is cleared to begin a walking program. The nurse working with the client recommends that the client
A) wear shoes with thick inflexible soles. B) include a warm-up period at the beginning and a cool-down period at the end with a slower pace. C) continue walking if she becomes short of breath because this will strengthen the heart and build resilience. D) carry extra insulin in case she begins to feel weak while walking.
A nursing student is in the mentoring process. Which action would occur if the student nurse were in the "follow" phase?
a. The nursing student observes as the men-tor places a urinary catheter. b. The nursing student places a urinary ca-theter while the mentor stands nearby for guidance. c. The nursing student reads the hospital policy regarding urinary catheter place-ment. d. The nursing student places the urinary ca-theter without guidance from the mentor.
When using a disposable chemical cold pack, you should check the patient's skin every
A) minute. B) 10 minutes. C) 25 minutes. D) 60 minutes.