ATI LPN
Medical Surgical Nursing Neurological Disorders Questions
Question 1 of 5
fMRI technology can provide significant insights into brain function by
Correct Answer: C
Rationale: fMRI detects brain activity via blood oxygen level-dependent (BOLD) signals, reflecting neural activation.
Question 2 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 3 of 5
The midbrain, pons and medulla oblongata are housed in the:
Correct Answer: C
Rationale: The brain stem comprises the midbrain, pons, and medulla oblongata, regulating vital functions.
Question 4 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 5 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.