Nervous System MCQ Quiz - Multiple Choice Questions & Answers

1. Which of the following is associated with the evolution of a central nervous system?

1. a complete gut
2. bilateral symmetry
3. radial symmetry
4. a closed circulatory system

2. What is the neocortex?

1. a primitive brain region that is common to reptiles and mammals
2. a region deep in the cortex that is associated with the formation of emotional memories
3. a central part of the cortex that receives olfactory information
4. an additional outer layer of neurons in the cerebral cortex that is unique to mammals

3. Which of the following is a neuropeptide that functions as a natural analgesic?

1. acetylcholine
2. epinephrine
3. endorphin
4. serotonin

4. Which of the following is an amino acid that operates at inhibitory synapses in the brain?

1. acetylcholine
2. epinephrine
3. endorphin
4. GABA

5. Wakefulness is regulated by the reticular formation, which is present in the

1. basal nuclei.
2. cerebral cortex.
3. brainstem.
4. limbic system.

6. Short-term memory information processing usually causes changes in the

1. brainstem.
2. medulla.
3. hypothalamus.
4. hippocampus.

7. In a cephalized invertebrate, which system transmits impulses from the anterior ganglion to distal segments?

1. central nervous system
2. peripheral nervous system
3. autonomic nervous system
4. parasympathetic nervous system

8. In the vertebrate brain and spinal cord there are several types of glial cells in which system?

1. central nervous system
2. peripheral nervous system
3. autonomic nervous system
4. parasympathetic nervous system

9. Cranial nerves originate in the brain. They belong to which system?

1. central nervous system
2. peripheral nervous system
3. autonomic nervous system
4. parasympathetic nervous system

10. Which system controls smooth and cardiac muscles of the digestive, cardiovascular, and excretory systems?

1. central nervous system
2. peripheral nervous system
3. autonomic nervous system
4. parasympathetic nervous system