Nokea
Which of the following represents a sensory input that is not part of both the somatic and autonomic systems?
- A. vision
- B. taste
- C. baroreception
- D. proprioception
Correct Answer: C
Rationale: Baroreception is the correct answer because it is a sensory input related to monitoring blood pressure, which is part of the autonomic nervous system. Vision, taste, and proprioception are sensory inputs that are part of both the somatic and autonomic systems. Vision and taste involve sensory information processed by both systems, while proprioception provides information about body position and movement, which is essential for both systems to coordinate responses.
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In the care plan for Mr. Thompson, a 78-year-old man with Parkinson's disease, Nurse Edwards is identifying tasks that can be safely delegated to a nursing assistant (NA). Considering the responsibilities and scope of practice for a nursing assistant, which of the following tasks is most appropriate for Nurse Edwards to delegate?
- A. Checking for orthostatic changes in pulse and blood pressure.
- B. Monitoring for improvement in tremor after levodopa (L-dopa) is given.
- C. Adjusting the dosage of levodopa (L-dopa) based on the patient's response.
- D. Monitoring for abnormal involuntary jerky movements of extremities.
Correct Answer: A
Rationale: Checking for orthostatic changes is within the scope of practice for a nursing assistant and is important for monitoring the side effects of PD medications.
Which assessment finding should you report immediately for a patient with fractures of the medial ulna and radius?
- A. The patient complains of pressure and pain.
- B. The cast is in place and is dry and intact.
- C. The skin is pink and warm to touch.
- D. The patient can move all fingers and thumb.
Correct Answer: A
Rationale: Pressure and pain could indicate complications such as compartment syndrome, necessitating immediate medical attention.
The patient is diagnosed with torticollis. What should the nurse be prepared to provide for the patient?
- A. An immobilizer to hold the bones in place
- B. Exercises to increase the strength of the muscles
- C. A pillow to use to support the knees while sleeping
- D. Enough pillows to support the patient's head comfortably
Correct Answer: B
Rationale: Exercises help restore muscle balance.
The midbrain
- A. Is largely in the middle cranial fossa
- B. Is supplied by the anterior inferior cerebellar artery
- C. Lies between pons and upper spinal cord
- D. Contains the oculomotor nuclei
Correct Answer: D
Rationale: The midbrain contains the oculomotor nuclei, which control eye movement. It is located between the pons and diencephalon and is supplied by the posterior cerebral artery.
The effect of calcium ions on neurotransmitter release at synapses include:
- A. vesicular fusion
- B. tonic depolarization of the presynaptic neurone
- C. post-tetanic potentiation
- D. all above
Correct Answer: D
Rationale: Calcium ions trigger vesicular fusion, contribute to post-tetanic potentiation, and can cause tonic depolarization in the presynaptic neuron. These effects are essential for synaptic plasticity and neurotransmission.