Nokea
The Bell's phenomenon:
- A. occurs during normal blinking
- B. if absent suggests brain stem disease
- C. is absent in Bell's palsy
- D. is reduced or absent in patients with thyroid orbitopathy
Correct Answer: D
Rationale: The Bell's phenomenon, an upward and outward eye movement during eyelid closure, is reduced or absent in thyroid orbitopathy due to restricted eye movements. It is not typically absent in Bell's palsy or brain stem disease.
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When assessing a patient for signs of increased intracranial pressure (ICP), the nurse should look for:
- A. Changes in level of consciousness, headache, and vomiting.
- B. Normal pupil size and reaction.
- C. Absence of nausea or vomiting.
- D. Clear and coordinated movements.
Correct Answer: A
Rationale: Increased intracranial pressure (ICP) is associated with changes in consciousness, headache, and vomiting. Normal pupil size, absence of nausea, and clear movements are not indicative of ICP.
Which anatomic division of the nervous system is affected in a client undergoing neurological testing for a brain tumor?
- A. Peripheral nervous system
- B. Autonomic nervous system
- C. Sympathetic nervous system
- D. Central nervous system
Correct Answer: D
Rationale: The brain is part of the central nervous system.
The nervous system is divided into the ___________.
- A. brain and spinal cord
- B. sympathetic and parasympathetic systems
- C. PNS & CNS
- D. autonomic and somatic nervous systems
Correct Answer: C
Rationale: The nervous system is broadly divided into the Central Nervous System (CNS), which includes the brain and spinal cord, and the Peripheral Nervous System (PNS), which includes all neural tissue outside the CNS. This division is fundamental to understanding the organization and function of the nervous system.
The sensory root of the facial nerve
- A. Arises from the sulcus between the pons and medulla
- B. Is called the nervus intermedius
- C. Presents as a swelling in the bend called the otic ganglion
- D. Emerges from the base of the skull through the foramen ovale
Correct Answer: B
Rationale: The sensory root of the facial nerve is called the nervus intermedius. It carries taste fibers from the anterior two-thirds of the tongue and parasympathetic fibers to salivary glands.
The nurse positions a client who is being treated for a fracture. Why should care be taken to position the client's joints in an anatomic alignment?
- A. To prevent deep vein thrombosis
- B. To facilitate the lung expansion and prevent the pooling of secretions
- C. To prevent the escalation of the pain and swelling
- D. To prevent damage to the peripheral nerves and the blood vessels
Correct Answer: D
Rationale: Proper alignment prevents nerve and vascular damage.