Nokea
What are surgical navigational systems?
- A. Computerized devices that guide the surgeon
- B. A set of detailed anatomic maps pinpointing specific areas of the brain
- C. A written set of progressive processes for the resection of small brain tumors
- D. The use of radioactive materials to pinpoint small tumors of the brain
Correct Answer: A
Rationale: Surgical navigational systems are computerized devices that guide the surgeon and make possible the resection of tumors that were once thought to be inoperable.
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Which benefit do the drugs neostigmine and pyridostigmine have for the person with myasthenia gravis?
- A. Improves speech.
- B. Improves visual disturbances.
- C. Reduces pain.
- D. Promotes nerve impulse transmission.
Correct Answer: D
Rationale: Prostigmine and Mestinon improve the nerve impulses and alleviate the symptoms.
The nurse explains to a patient and family that the triad of signs of Parkinson disease is: ___, rigidity, and bradykinesia.
Correct Answer: tremor
Rationale: Tremor, rigidity, and bradykinesia are the triad that make up the signs of Parkinson disease.
Which cranial nerve supplies most of the organs in the thoracic and abdominal cavities and carries motor fibers to glands that produce digestive juices and other secretions?
- A. Somatic motor nerve
- B. Visceral sensory nerve
- C. Abducens nerve
- D. Vagus nerve
Correct Answer: D
Rationale: The vagus nerve extends from the throat, larynx, and organs in the thoracic and abdominal cavities. It is responsible for sensations and will accelerate peristalsis when stimulated.
Which sign is the cardinal sign of increased intracranial pressure in a patient who has sustained a brain injury?
- A. Pupil changes
- B. Ipsilateral paralysis
- C. Vomiting
- D. Decrease in the level of consciousness
Correct Answer: D
Rationale: Collection of objective data includes a change in level of consciousness. A change in the level of consciousness is the earliest sign of increased intracranial pressure.
The nurse assures an anxious family member of a 92-year-old patient who is demonstrating signs of dementia that many causes of dementia are reversible and preventable. Which disorder is one example?
- A. Hypotension
- B. Alzheimer's disease
- C. Diabetes
- D. Parkinson disease
Correct Answer: A
Rationale: Some forms of dementia are reversible. Dementia caused by hypotension, anemia, drug toxicity, metabolic disturbance, and malnutrition can all be corrected to abolish the dementia.