The main component of room air is:
a. nitrogen.
b. oxygen.
c. carbon dioxide.
d. hydrogen.
a
The approximate concentration of nitrogen in the air is
79%, compared to 21% oxygen.
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During a walk, an older male adult suffers a laceration from a broken tree branch. Rank the nurse's interventions in order, beginning with the most important intervention
a. Flush and cleanse the wound well. b. Investigate a possible safety hazard. c. Instruct him to keep wound covered. d. Verify a current tetanus immunization.
The nurse would anticipate that a patient on Vasotec (ACE inhibitor) would have as a positive outcome to this drug:
1. increased fluid retention. 2. decreased blood pressure. 3. decreased urine output. 4. increased appetite.
A nurse working on the medical-surgical unit uses the change-and-stability model of nursing as his main practice philosophy
Which of the following models does this nurse use if he believes that the family is a social system that is seen as a group of interacting individuals and goals that are attained emphasize interactions between family members? A) Parse's Human-Becoming Model B) Newman's Theory of Health as Expanding Consciousness C) King's Systems Interaction Model D) Neuman's Health Care Systems Model
Mandelic acid is most commonly used:
a. to sterilize the urinary tract prior to surgery. b. for treatment of chronic urinary tract infections. c. for burn wound care. d. to sterilize surgical equipment.