NEURO ACTUAL EXAM 1 |50 COMPLETE AND GRADED QUESTIONS AND ANSWERS
2026 LATEST UPDATED | 100% GRADED CORRECT | 100% GUARANTEED TO PASS |
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1. The somatic system is a division of what system?: Motor System
2. Gray matter in the peripheral nervous system is made up of collections of
_____ called _____: cell bodies, ganglia
3. Which of the following statements about the cerebral hemispheres is
correct?: The cerebral hemispheres are connected by the corpus callosum
and anterior commissure.
4. Which of the following statements about cranial nerves is correct?: Each
cranial nerve is numbered according to its place of attachment.
5. T/F: Guillain Barré Syndrome involves the demyelination caused by
autoimmune attack of the myelinating oligodendrocytes. This can cause
paralysis and loss of sensation progressing from distal to proximal.: False - it
attacks Schwann cells in the PNS
1/7
, 6. What is the process of slight hyperpolarization of the axonal region of a
neuron caused by the release of a neurotransmitter by another neuron
called?-
: Presynaptic inhibition
7. Which of the following is a neurotransmitter that primarily results in
sedation?: GABA
8. What results from the influx of Na+ into a neuron following the binding of
a neurotransmitter?: Excitatory postsynaptic potential
9. An antagonist drug acts by which of the following mechanisms?:
Preventing the release of the neurotransmitter
10. The central nervous system is most susceptible to major malformation
during which one of the following periods of development?: Weeks 2-20
11. Which embryonic structure gives rise to the brain and spinal cord?: Neural
tube 12. Which condition is characterized by a smooth brain surface due to
defective neuronal migration?: Lissencephaly
13. Spina bifida results from the failure of what process?: Neural tube closure
2/7
2026 LATEST UPDATED | 100% GRADED CORRECT | 100% GUARANTEED TO PASS |
GET A+
1. The somatic system is a division of what system?: Motor System
2. Gray matter in the peripheral nervous system is made up of collections of
_____ called _____: cell bodies, ganglia
3. Which of the following statements about the cerebral hemispheres is
correct?: The cerebral hemispheres are connected by the corpus callosum
and anterior commissure.
4. Which of the following statements about cranial nerves is correct?: Each
cranial nerve is numbered according to its place of attachment.
5. T/F: Guillain Barré Syndrome involves the demyelination caused by
autoimmune attack of the myelinating oligodendrocytes. This can cause
paralysis and loss of sensation progressing from distal to proximal.: False - it
attacks Schwann cells in the PNS
1/7
, 6. What is the process of slight hyperpolarization of the axonal region of a
neuron caused by the release of a neurotransmitter by another neuron
called?-
: Presynaptic inhibition
7. Which of the following is a neurotransmitter that primarily results in
sedation?: GABA
8. What results from the influx of Na+ into a neuron following the binding of
a neurotransmitter?: Excitatory postsynaptic potential
9. An antagonist drug acts by which of the following mechanisms?:
Preventing the release of the neurotransmitter
10. The central nervous system is most susceptible to major malformation
during which one of the following periods of development?: Weeks 2-20
11. Which embryonic structure gives rise to the brain and spinal cord?: Neural
tube 12. Which condition is characterized by a smooth brain surface due to
defective neuronal migration?: Lissencephaly
13. Spina bifida results from the failure of what process?: Neural tube closure
2/7
