ATI LPN
Medical-Surgical Nursing Neurological System Questions
Question 1 of 5
Which phase of the action potential involves the efflux of potassium ions?
Correct Answer: D
Rationale: Repolarization occurs as K+ exits, restoring the negative charge. [Level: Knowledge]
Question 2 of 5
Which type of nerve is essential for reflex arcs and communication between sensory and motor neurons within the spinal cord?
Correct Answer: D
Rationale: Interneurons link sensory and motor neurons in reflex arcs within the CNS. [Level: Knowledge]
Question 3 of 5
The layer of the meninges that forms a web-like structure and allows for the circulation of cerebrospinal fluid is the:
Correct Answer: C
Rationale: The arachnoid mater has a web-like structure, facilitating CSF flow. [Level: Knowledge]
Question 4 of 5
The fourth ventricle is located between the pons and the cerebellum and is continuous with the central canal of the spinal cord and the:
Correct Answer: D
Rationale: The fourth ventricle connects to the spinal canal and exits via the foramen magnum. [Level: Knowledge]
Question 5 of 5
The primary somatosensory cortex, responsible for processing tactile information such as touch and pressure, is located in the:
Correct Answer: B
Rationale: The primary somatosensory cortex, in the parietal lobe’s postcentral gyrus, processes touch. [Level: Knowledge]