ATI RN
Nervous System Multiple Choice Questions and Answers Questions
Question 1 of 5
The nucleus of a neuron is associated with the of the neuron.
Correct Answer: B
Rationale: The nucleus resides in the cell body (soma), which integrates signals and maintains neuron function. Axons transmit, dendrites receive, and myelin sheaths insulate.
Question 2 of 5
Nerve signal transmission over myelinated axons is called
Correct Answer: A
Rationale: Saltatory conduction is impulse jumping between nodes of Ranvier on myelinated axons, speeding transmission.
Question 3 of 5
The spinal cord begins outside the and ends at the
Correct Answer: B
Rationale: The spinal cord begins at the foramen magnum (skull base) and ends at L1-L2 (conus medullaris), not sacrum or L4.
Question 4 of 5
Identify the bridge of white matter that connects the right and left cerebral hemispheres.
Correct Answer: A
Rationale: The corpus callosum is the white matter tract connecting the cerebral hemispheres for communication.
Question 5 of 5
The primary taste area is in the
Correct Answer: A
Rationale: The primary taste area (gustatory cortex) is in the insula, deep within the lateral sulcus, processing taste sensation.