ATI RN
Questions About the Nervous System Questions
Question 1 of 5
Neurons that transmit nerve impulses from receptors to the central nervous system are neurons.
Correct Answer: C
Rationale: Sensory neurons (afferent) transmit impulses from receptors to the CNS. Interneurons connect within the CNS, motor neurons (efferent) signal effectors, and unipolar is a structural type.
Question 2 of 5
The return of the neuron cell membrane to resting potential is called
Correct Answer: D
Rationale: Repolarization restores resting potential (~-70 mV) via K+ efflux after depolarization. Synaptic transmission is communication, polarization is resting, and depolarization is Na+ influx.
Question 3 of 5
Cerebrospinal fluid is located between the and the
Correct Answer: C
Rationale: CSF fills the subarachnoid space between the arachnoid mater and pia mater, providing cushioning.
Question 4 of 5
The cerebral hemispheres are separated by the
Correct Answer: B
Rationale: The longitudinal fissure is the deep groove separating the cerebral hemispheres. The corpus callosum connects them.
Question 5 of 5
The primary visual area of the cerebrum is located in the lobe.
Correct Answer: B
Rationale: The primary visual area (V1) in the occipital lobe processes visual input from the eyes.