Nervous System MCQ Quiz - Multiple Choice Questions & Answers Page 3

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.