Herd immunity
1. Conceptualizes the theory that urbanization has reduced innate immunity due to increased exposure to crowded conditions and poverty.
2. Implies that nonimmune individuals in a community will be safe if greater than 80% of the population is immune to a particular disease.
3. Is produced through vaccination using equine- and bovine-derived serums for certain diseases.
4. Refers to widespread vaccine failure due to improper handling or administration.
ANS: 2
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A) Hypoglycemia B) Hyperglycemia C) Hyponatremia D) Hypernatremia
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A preadolescent child sprains the right ankle while inline skating. What should the nurse instruct the child and parents about the care that the child will need at home? (Select all that apply.)
A) Apply ice pack for 20-minute intervals. B) Apply ice pack on the ankle for 4 to 7 days. C) Keep wrapped in an elastic bandage. D) Remind to use crutches to walk for 3 to 4 days. E) Apply heat to the ankle beginning the first day after injury.
A patient is brought to the emergency
department for treatment of a suspected overdose. The patient was found with an empty prescription bottle of a barbiturate by his bedside. He is lethargic and barely breathing. The nurse would expect which immediate intervention? a. Starting an intravenous infusion of diluted bicarbonate solution b. Administering medications to increase blood pressure c. Implementing measures to maintain the airway and support respirations d. Administrating naloxone (Narcan) as an antagonist