17. A neural network can enhance a medical im- age but cannot recognize EEG trace patterns. (True or false) 18. For security reasons, some hospitals use a WAN or LAN instead of the __________. 19. The Expert System is repaired by an expert, such as a biomedical engineer or technician. (True or false) 20. Modern portable laboratory instrumentation incorporates (a) ________, (b) ________, and (c) interface. 21. 0.0076% accuracy in an analog circuit equals ________ LSBs in a 16-bit A/D converter. 22. Miniature PCMCIA modules contain ________ acquisition circuitry in a small space. 23. Medical researchers make use of the com- puter and the DAS because they can gather information and ________ results. 24. What differences exist in computer systems used for medical information and records processing compared with bedside and cen- tral station CCU monitoring? 25. Why is a computer-averaged, EEG-evoked response signal easier to analyze than a raw signal? 26. What advantage is a computer in the auto- mated clinical laboratory? 27. Does C/T scanning produce better results than a two-dimensional chest X-ray picture, or than MRI or PET? 28. Are computer systems always applicable in biomedical equipment?
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19. Which of the following is not a lobe of the cerebrum? A. parietal B. frontal C. occipital D. sphenoidal E. temporal 20. The gray matter on the outer surface of the cerebrum is called the A. cortex. B. pia mater. C. reticular formation D. arbor vitae. E. cerebral medulla. 21. Which of the following is a somatic sense? A. smell B. taste C. touch D. sound E. sight 22. Which of the following statements concerning the descending pathways of the spinal cord is true? A. Most descending pathways control sensory functions. B. Many of the descending pathways decussate in the midbrain. C. Descending pathways consist of upper and lower motor neurons. D. Descending pathways must synapse in the thalamus. E. These pathways start in the spinal cord and end in the brain. 23. A nurse is caring for a patient who exhibits the following symptoms: 1) normal intelligence, 2) inability to maintain balance while walking, 3) decreased tone in the skeletal muscles, and 4) can initiate voluntary movements although they are somewhat uncoordinated. The patient is probably suffering from a condition that affected the A. midbrain. B. cerebellum. C. basal ganglia. D. cerebral cortex. E. brainstem.
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A. True or B. False Questions #11 - #24: 11. Humans are members of the Phylum Chordata. 12. Vertebrates have a cranium enclosing a brain. 13. All Chordates have a closed circulatory system. 14. The early Therians evolved in the mid-Mesozoic Era. 15. Members of the Chordate family belong to the Protostome Division. 16. Lancelets, also known as amphioxus, have retained all five hallmarks of the chordates. 17. Monotremes and Marsupials are examples of egg-laying mammals. 18. Lobe-finned fishes, ray-finned fishes, and lungfishes are members of the bony fish class. 19. Reptiles are considered the first true terrestrial vertebrates on land. 20. Sharks, Rays, Skates, and Chimeras have endoskeletons made of cartilage. 21. Sharks have a tough leathery skin that is covered with hard dermal placoid scales. 22. Mammals evolved from Synapsid ancestors. 23. The Order Primates includes humans. 24. Modern man diverged from Africa about 8 Million Years Ago. 25. Modern Birds have been linked to which of these extinct animals? A. T-Rex B. Pterodactyl C. Prehistoric Sharks D. Archaeopteryx 26. Whales and dolphins are examples of C. mammals. 27. The respiratory gills in bony fishes are covered by a structure called D. operculum. 28. Which is not a characteristic of Amphibians? A. circulatory system closed B. has a three-chamber heart C. limbs usually four D. frog/toad fertilization mostly internal E. skin is smooth.
10. The apex (i.e. region farthest away from the oval window) of the basilar membrane resonates primarily in response to tones. 11. Mechanically-gated channels in the stereocilia that are permeable to ions are responsible for depolarizing inner hair cells. 12. An increase in the intensity of sound pressure is encoded by increases in the and of spiral ganglion neurons. 13. The systematic mapping of sound frequency onto different nerve fibers in the auditory pathway is referred to as a(n) arrangement. 14. The 3rd order neurons in the auditory pathway are located in the at the junction of the pons and medulla. 15. The subdivision of the thalamus that serves as the gatekeeper for auditory signals destined for the auditory cortex is called the . 16. A sound source is located 30 degrees to the right of the midline position (i.e. straight in front of the head). If the average firing rate of the lateral superior olive (LSO) neurons on the right side of the brain stem is 100 impulses/s in response to this sound stimulus, what is the firing rate of the LSO neurons on the left side of the brain stem? 17. The caudal regions of the primary auditory cortex (AI) respond most vigorously to tones.
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