ATI LPN
Medical Surgical Nursing Neurological Disorders Questions
Question 1 of 5
A neuron with a cell body located in the CNS whose primary function is connecting other neurons is called a(n):
Correct Answer: C
Rationale: Interneurons, located in the CNS, connect other neurons, facilitating signal integration, unlike efferent (motor) or afferent (sensory) neurons.
Question 2 of 5
Which part of the nervous system is the focus of sobriety tests?
Correct Answer: D
Rationale: Sobriety tests assess coordination and balance, functions of the cerebellum, which is impaired by alcohol.
Question 3 of 5
What is true about the distribution of rods and cones in the retina?
Correct Answer: D
Rationale: The fovea is cone-dominated (few rods), periphery is rod-rich; the photoreceptor-to-RGC ratio is high in the periphery due to convergence.
Question 4 of 5
Inner hair cells
Correct Answer: B
Rationale: Inner hair cells (fewer in number) are the primary sensory transducers, sending most input to the auditory nerve via spiral ganglion cells.
Question 5 of 5
In the baseball area of your cortex, your 'Red Soxneurons have smaller receptive fields than your 'Yankeesneurons. Based on the cortical magnification hypothesis
Correct Answer: B
Rationale: Smaller receptive fields (Red Sox) indicate higher cortical magnification, meaning more cortex is devoted to them.