TIS
Select True or 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