TIS

Neuroscience Final Exam

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Select True or False.

1. The most ventral part of the midbrain tegmentum is the location of the substantia nigra, pars compacta, which projects to the caudate and putamen.
True
False

2. Sensory fibers provide taste to the anterior two-thirds of the tongue.
True
False

3. Parkinsons affects direct pathways because striatal fibers can no longer inhibit medial pallidum because of the lack of sympathetic neurons.
True
False

4. Conduction velocity is the speed of spike conduction along an axon.
True
False

5. There are 21,215 axons on each neuron.
True
False

6. The mesencephalon is divided into 5 sections.
True
False

7. The major function of the thalamus is to relay and process all sensory impulses (except smell).
True
False

8. The brachial plexus only involves the radial and ulnar nerves.
True
False

9. Most organs receive parasympathetic nerve innervation.
True
False

10. Contrecoup lesions most often lie on the anterior - inferior surfaces of the parietal and occipital lobes.
True
False

11. Meningitis usually means leptomeningitis which produces headache, stiff neck, and fever.
True
False

12. Abscesses complicating middle ear and mastoid infections often lie in the cerebellum or parietal lobes.
True
False

13. The clinical picture of fetal alcohol syndrome would include growth and mental retardation and macrocephaly.
True
False

14. Subcortical structures are more susceptible to anoxia than the cerebral cortex.
True
False

15. In muscular dystrophy the clinical signs include progressive distal weakness, calf hypertrophy and lordotic waddling gait.
True
False

16. Visual pigment molecules found in specialised membrane absorb light and lead to an influx of Na+ ions into the receptor cell.
True
False

17. Vertebrate photoreceptors are depolarised by light and are hyperpolarised in the dark.
True
False

18. The termination of a motor axon on a muscle fiber is a motor end-plate.
True
False

19. The majority of arterial infarcts are unifocal lesions, although multiple infarcts may occur in sequence in the same patient, or may occur in special patterns.
True
False

20. Most viruses induce perivascular infiltration of lymphocytes,microglia, and monocytes, neuronal death with neuronophagia, and clusters of microphages and glial cells (glial nodules).
True
False


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