A nurse researcher compared men's and women's levels of stress following cardiac surgery and made sure that both groups were comparable with regard to length of stay in hospital. Length of stay in hospital is a(n):
A) Independent variable
B) Dependent variable
C) Mediating variable
D) Confounding variable
D
You might also like to view...
A nurse cares for a client placed in skeletal traction. The client asks, "What is the primary purpose of this type of traction?" How should the nurse respond?
a. "Skeletal traction will assist in realigning your fractured bone." b. "This treatment will prevent future complications and back pain." c. "Traction decreases muscle spasms that occur with a fracture." d. "This type of traction minimizes damage as a result of fracture treatment."
The nurse caring for a patient receiving heparin intravenously for a diagnosis of pulmonary emboli is evaluating the patient's laboratory data and recognizes that a therapeutic range for the international normalized ratio (INR) is:
A) 0.5 to 1.0 B) 1.0 to 1.5 C) 1.5 to 2.0 D) 2.0 to 2.5
A patient is admitted with suspected acute hepatic failure. Which findings would the nurse evaluate as supporting this suspected diagnosis?
1. The patient complains of thirst. 2. The patient has a dry cough. 3. The patient's hemoglobin is elevated. 4. The patient's international normalized ratio (INR) is elevated. 5. The patient has new onset of confusion.
You have diagnosed heat stroke in a 61-year-old male patient when you found him responsive to painful stimuli while lying on the floor of his very hot apartment. He is pale and hot to the touch, not sweating, and tachycardic, and he has a core temperature of 105° F. Appropriate initial care for this patient is to:
A) Move him to a cooler environment and begin rapid cooling B) Administer a KVO IV of Ringer's lactate C) Administer oxygen at 4 LPM via nasal cannula D) Package him in several blankets