What causes an initial incomplete spinal cord injury to result in complete cord damage?
- A. Edematous compression of the cord above the level of the injury
- B. Continued trauma to the cord resulting from damage to stabilizing ligaments
- C. Infarction and necrosis of the cord caused by edema, hemorrhage, and metabolites
- D. Mechanical transection of the cord by sharp vertebral bone fragments after the initial injury
Correct Answer: C
Rationale: Secondary injury due to ischemia and inflammation can lead to complete cord damage.
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Which of the following might indicate a problem with the patient's sensory system?
- A. Inability to feel light touch or pain in specific areas.
- B. Normal sensation throughout the body.
- C. Clear and accurate perception of temperature.
- D. Absence of tingling or numbness.
Correct Answer: A
Rationale: Inability to feel light touch or pain suggests sensory system dysfunction. Normal sensation, accurate temperature perception, and absence of tingling are expected findings.
The patient with migraine headaches has a seizure. After the seizure, which action can you delegate to the nursing assistant?
- A. Document the seizure.
- B. Perform neurologic checks.
- C. Take the patient's vital signs.
- D. Restrain the patient for protection.
Correct Answer: C
Rationale: Taking vital signs is a routine task that can be delegated to a nursing assistant while documenting seizures and performing neurologic checks require more specialized knowledge.
A 65-year-old patient with PD is experiencing moderate dyskinesias that are bothersome. The patient is on carbidopa/levodopa 25/100 mg two tablets at 7 AM and one tablet at 11 AM, 2 PM, 5 PM, 8 PM, and 11 PM. Which of the following is most appropriate:
- A. Add amantadine.
- B. Add entacapone.
- C. Add rasagiline.
- D. Add pramipexole.
Correct Answer: A
Rationale: Amantadine is effective in reducing dyskinesias in PD patients by modulating glutamate activity in the brain.
Which of the following are the parts of neurons?
- A. brain, spinal cord, and vertebral column
- B. dendrite, axon, and cell body
- C. sensory and motor
- D. cortex, medulla and sheath
Correct Answer: B
Rationale: Neurons are the basic building blocks of the nervous system and consist of three main parts: dendrites, axons, and the cell body. Dendrites receive signals from other neurons, the cell body contains the nucleus and organelles, and the axon transmits signals to other neurons or target cells. These components work together to facilitate communication within the nervous system, enabling sensory perception, motor control, and cognitive functions.
It is important for the nurse to maintain proper pin care for which of the following methods of treating a fracture?
- A. Closed reduction
- B. Open reduction
- C. External fixation
- D. Internal fixation
Correct Answer: C
Rationale: External fixation involves pins that penetrate the skin, requiring meticulous pin care to prevent infection.