ATI LPN
Neurological Questions Questions
Question 1 of 5
The signal that crosses a synapse is stopped when
Correct Answer: D
Rationale: Synaptic transmission ends when neurotransmitters are degraded (e.g., by enzymes like acetylcholinesterase) or reuptaken into the presynaptic neuron.
Question 2 of 5
What part of the brain sorts incoming information, such as touch signals from your hand, into categories before relaying it to the cerebral cortex?
Correct Answer: A
Rationale: The thalamus acts as a relay station, sorting and directing sensory inputs like touch to the appropriate cortical areas.
Question 3 of 5
Which of the following statements about Parkinson's disease is true?
Correct Answer: C
Rationale: Parkinson’s is a motor disorder (tremors, rigidity) due to dopamine neuron loss in the substantia nigra, not cerebellum.
Question 4 of 5
Which of these cells are not a type of neuroglia found in the CNS:
Correct Answer: C
Rationale: Schwann cells are neuroglia in the PNS that myelinate axons, whereas astrocytes, microglia, ependymal cells, and oligodendrocytes are CNS neuroglia.
Question 5 of 5
The substance that is released at axonal endings to propagate a nervous impulse is called:
Correct Answer: C
Rationale: Neurotransmitters are chemicals released from axon terminals into the synapse to transmit signals to the next cell.