ATI LPN
Medical Surgical Nursing Neurological Disorders Quizlet Questions
Question 1 of 5
During REM sleep, an EEG shows
Correct Answer: D
Rationale: REM sleep features rapid, irregular EEG patterns similar to wakefulness, reflecting active brain states like dreaming.
Question 2 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 3 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 4 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).
Question 5 of 5
If you inject radioactive proline into an eye what cells would you observe labeled in the contralateral LGN?
Correct Answer: C
Rationale: Proline labels retinal ganglion cell axons, which project to contralateral LGN layers 1, 4, and 6 (ipsilateral: 2, 3, 5) in primates.