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This is the primary reason that the cause of bipolar disorder has not been determined?
- A. Several factors, including genetics, are implicated.
- B. Brain structures were altered by trauma early in life.
- C. Excess norepinephrine is probably a major factor.
- D. Excess sensitivity in dopamine receptors may exist.
Correct Answer: A
Rationale: The interplay of multiple factors, including genetics and neurotransmitter imbalances, is the most likely explanation for bipolar disorder. Other options are too specific or narrow.
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This nursing diagnosis applies to a patient experiencing mania: imbalanced nutrition: less than body requirements, related to insufficient caloric intake and hyperactivity as evidenced by 5-pound weight loss in 4 days. What is the most appropriate outcome related to patient behavior?
- A. Asking staff for assistance with feeding within 4 days
- B. Drinking six servings of a high-calorie, high-protein drink each day
- C. Consistently sitting with others for at least 30 minutes at mealtime within 1 week
- D. Wearing appropriate attire for age and gender within 1 week while in the psychiatric unit
Correct Answer: B
Rationale: High-calorie, high-protein supplements address the nutritional deficit caused by hyperactivity. Other options do not directly ensure adequate caloric intake.
At a unit meeting, staff members discuss the decor for a special room for patients experiencing mania. What select is the best option?
- A. Extra-large window with a view of the street
- B. Neutral walls with pale, simple accessories
- C. Brightly colored walls and print drapes
- D. Deep colors for walls and upholstery
Correct Answer: B
Rationale: A nonstimulating environment with neutral decor reduces sensory overload for manic patients. Other options may overstimulate or pose safety risks.
A patient experiencing acute mania undresses in the group room and dances. What should be the nurse's first intervention?
- A. Quietly ask the patient, 'Why don't you put on your clothes?'
- B. Firmly tell the patient, 'Stop dancing, and put on your clothing.'
- C. Put a blanket around the patient and walk with the patient to a quiet room.
- D. Allow the patient stay in the group room while moving the other patients to a different area.
Correct Answer: C
Rationale: Covering the patient and removing them from the area protects them from embarrassment and maintains safety. Other options are less effective or inappropriate.
A patient diagnosed with bipolar disorder has rapid cycles. The health care provider prescribes an anticonvulsant medication. To prepare teaching materials, which drug should the nurse anticipate will be prescribed?
- A. Phenytoin
- B. Clonidine
- C. Carbamazepine
- D. Chlorpromazine
Correct Answer: C
Rationale: Carbamazepine is effective for rapid-cycling bipolar disorder. Phenytoin and chlorpromazine are not used for mood stabilization, and clonidine is not an anticonvulsant for this purpose.
The nurse is monitoring a patient closely for signs and symptoms of Stevens-Johnson syndrome. Which medication is likely the trigger for such a syndrome?
- A. Clonazepam
- B. Risperidone
- C. Lamotrigine
- D. Aripiprazole
Correct Answer: C
Rationale: Lamotrigine is associated with Stevens-Johnson syndrome, a rare but serious dermatological reaction. Other medications listed are not linked to this complication.