Nervous System MCQs 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

11. Which of the following produces hormones that are secreted by the pituitary gland?

1. cerebrum
2. cerebellum
3. thalamus
4. hypothalamus

12. Which of the following coordinates muscle actions?

1. cerebrum
2. cerebellum
3. thalamus
4. hypothalamus

13. Which of the following regulates body temperature?

1. cerebrum
2. cerebellum
3. thalamus
4. hypothalamus

14. Which of the following contains regulatory centers for the respiratory and circulatory systems?

1. cerebrum
2. cerebellum
3. thalamus
4. medulla oblongata

15. Which of the following contains regions that help regulate hunger and thirst?

1. cerebrum
2. cerebellum
3. thalamus
4. hypothalamus

16. The motor cortex is part of which part of the nervous system?

1. cerebrum
2. cerebellum
3. spinal cord
4. midbrain

17. Patients with damage to Wernickes area have difficulty

1. coordinating limb movement.
2. generating speech.
3. recognizing faces.
4. understanding language.

18. Our understanding of mental illness has been most advanced by discoveries involving

1. degree of convolutions in the brains surface.
2. evolution of the telencephalon.
3. sequence of developmental specialization.
4. chemicals involved in brain communications.

19. The establishment and expression of emotions involves the

1. frontal lobes and limbic system.
2. frontal lobes and parietal lobes.
3. parietal lobes and limbic system.
4. frontal and occipital lobes.

20. Cerebrospinal fluid can be described as all of the following except

1. functioning in transport of nutrients and hormones through the brain.
2. a product of the filtration of blood by the brain.
3. formed from layers of connective tissue.
4. functioning to cushion the brain.

21. The blood-brain barrier

1. is formed by tight junctions.
2. is formed by oligodendrocytes.
3. tightly regulates the intracellular environment of the CNS.
4. uses chemical signals to communicate with the spinal cord.

22. Which of the following is correct about the telencephalon region of the brain?

1. It develops as the neural tube differentiates.
2. It develops from the midbrain.
3. It is the brain region most like that of ancestral vertebrates.
4. It gives rise to the cerebrum.

23. Which of the following describes the functional controls of Wernickes area?

1. It is active when speech is heard and comprehended.
2. It is active during the generation of speech.
3. It coordinates the response to olfactory sensation.
4. It is active when you are reading silently.

24. Melatonin is a hormone produced in the pineal gland. It can be used to treat symptoms of sleep disorders and seasonal affective disorder because

1. it is normally produced only in the light.
2. it increases production of serotonin.
3. it increases production of tryptophan.
4. its peak production is normally at night.

25. The divisions of the nervous system that have antagonistic actions, or opposing actions are

1. motor and sensory.
2. sympathetic and parasympathetic.
3. presynaptic and postsynaptic.
4. forebrain and hindbrain.

26. What controls the heart rate?

1. neocortex
2. medulla
3. thalamus
4. pituitary

27. What do Wernickes and Brocas regions of the brain affect?

1. olfaction
2. vision
3. speech
4. memory

28. The sympathetic division of the autonomic portion of the PNS does all of the following except

1. relaxing bronchi in lungs.
2. inhibiting bladder emptying.
3. stimulating glucose release.
4. stimulating the salivary glands.

29. Which of the following activities would be associated with the parasympathetic division of the nervoussystem?

1. rest and digestion
2. release of both acetylcholine and epinephrine
3. increased metabolic rate
4. fight-or-flight response

30. Bipolar disorder differs from schizophrenia in that

1. schizophrenia results in hallucinations.
2. schizophrenia results in both manic and depressive states.
3. schizophrenia results in decreased dopamine.
4. bipolar disorder involves both genes and environment.

31. The cerebral cortex plays a major role in all of the following except

1. short-term memory.
2. long-term memory.
3. circadian rhythm.
4. foot-tapping rhythm.

32. By comparing the size and degree of convolution of various vertebrate cerebral cortices, biologists would gaininsight into the relative

1. size of the brain centers of taxonomic groups.
2. emotions and learning capabilities of vertebrate classes.
3. motor impulse complexities.
4. sophistication of behaviors.

33. Which processes in animals are regulated by circadian rhythms?

1. sleep cycles
2. hormone release
3. sex drive
4. A, B, and C

34. Integration of simple responses to certain stimuli, such as the patellar reflex, is accomplished by which of the following?

1. spinal cord
2. hypothalamus
3. corpus callosum
4. cerebellum

35. Which part of the vertebrate nervous system is most involved in preparation for the fight -or-flight response?

1. sympathetic
2. somatic
3. central
4. visceral

36. If you were writing an essay, which part of the brain would be most active?

1. temporal and frontal lobes
2. parietal lobe
3. Brocas area
4. Wernickes area

37. Which area of the brain is most intimately associated with the unconscious control of respiration and circulation?

1. thalamus
2. cerebellum
3. medulla
4. corpus callosum

38. Suprachiasmatic nuclei are found in which structure?

1. thalamus
2. hypothalamus
3. epithalamus
4. amygdala

39. Cerebral palsy, which disrupts motor messages from brain to muscle, is usually due to damage of

1. the cerebellum.
2. basal nuclei of gray matter.
3. basal nuclei of white matter.
4. the corpus callosum.

40. When Phineas Gage had a metal rod driven into his frontal lobe or when someone had a frontal lobotomy,which of the following occurred?

1. They could no longer reason.
2. They lost short-term memory.
3. They had different emotional responses.
4. They lost long-term memory.