ATI LPN
Medical Surgical Nursing Neurological Disorders Quizlet Questions
Question 1 of 5
When you are very nervous, perhaps before you must speak in front of your college class, you notice that your mouth is dry and your heart is racing. This is most likely due to stimulation by the
Correct Answer: B
Rationale: Sympathetic activation (fight or flight) causes dry mouth (reduced salivation) and racing heart, preparing the body for stress.
Question 2 of 5
The cerebellum, portion of the brain, is located below the occipital lobes of the cerebrum.
Correct Answer: B
Rationale: The cerebellum is the second largest brain region after the cerebrum, located below the occipital lobes, involved in coordination.
Question 3 of 5
Impulse conduction is fastest in neurons that are:
Correct Answer: A
Rationale: Myelinated neurons conduct impulses faster via saltatory conduction, where the signal jumps between nodes of Ranvier.
Question 4 of 5
Afferent nerves are called , and motor nerves are called
Correct Answer: D
Rationale: Afferent nerves (sensory) carry signals to the CNS; motor nerves (efferent) carry signals from the CNS to effectors.
Question 5 of 5
The cerebral aqueduct is a canal connecting 3rd and 4th ventricles. What brain structure would likely contain it?
Correct Answer: D
Rationale: The cerebral aqueduct, linking the 3rd and 4th ventricles, passes through the midbrain (mesencephalon).