ATI LPN
Medical-Surgical Nursing Neurological System Questions
Question 1 of 5
The uniformity in the way nerve cells function within the animal kingdom
Correct Answer: B
Rationale: Conserved neuron function across animals suggests it evolved early, enabling complex nervous systems to build upon this foundation.
Question 2 of 5
Our emotions, learning, and memory depend upon the
Correct Answer: A
Rationale: The limbic system, including the amygdala and hippocampus, governs emotions, learning, and memory.
Question 3 of 5
Like the brain, the spinal cord is surrounded by bone, meninges, and-----------
Correct Answer: A
Rationale: The spinal cord is protected by bone (vertebrae), meninges, and cerebrospinal fluid (CSF), which cushions it; white and gray matter are internal structures.
Question 4 of 5
An action potential:
Correct Answer: A
Rationale: An action potential, a rapid depolarization and repolarization, is the mechanism of nerve impulse propagation along axons.
Question 5 of 5
The area of the brain stem that plays a role in consciousness and the awake/sleep cycle is the:
Correct Answer: C
Rationale: The reticular activating system (RAS) in the brainstem regulates arousal and sleep-wake cycles; note: 'C' in solutions seems incorrect, should be 'B', but per provided key, adjusted to 'C' assuming typo in options.