Which electrolyte imbalance contributes to lithium toxicity?
a. Hypernatremia
b. Hyponatremia
c. Hyperkalemia
d. Hypokalemia
Ans: b. Hyponatremia
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A student nurse is caring for a child several hours after open heart surgery. Which action by the student requires intervention by the registered nurse?
A. Administers pain medication based on assessment of nonverbal signs of pain B. Groups nursing care tasks to allow for uninterrupted periods of rest and sleep C. Monitors hourly output from child's indwelling urinary catheter and chest tube D. Prepares to administer medication through the central venous pressure line
A 20-month-old boy has been admitted to the pediatric intensive care unit (PICU) with scald wounds from a pan of hot water. The mother has been charged with child neglect, and the father is in denial of the cause of the injury to his son
A nursing diagnosis of dysfunctional family processes related to child neglect has been identified. The nurse caring for this patient would use what appropriate nursing intervention in the patient's care plan? A) Acknowledge the emotions experienced during stressful times B) Encourage verbalization of anger against the mother by the father C) Encourage the mother to hire an attorney for her defense D) Deny the father admission to the patient's hospital room
Which physiologic mechanism does the newborn use to maintain body temperature?
a. Shivering b. Metabolism of brown fat c. Production of fatty acids d. Decreased glucose metabolism
A nurse is teaching nursing students about the pharmacology of methyldopa. Which statement by a student indicates the need for further teaching?
a. "Methyldopa results in alpha2 agonist activation, but it is not itself an alpha2 agonist." b. "Methyldopa is not effective until it is converted to an active compound." c. "Methyldopa reduces blood pressure by reducing cardiac output." d. "Methyldopa's principal mechanism is vasodilation, not cardiosuppression."