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Biod 210 module 3 exam questions and answers latest 2024 portage learning
- Course
- BIOD 210 Genetics
- Institution
- Portage Learning
Biod 210 module 3 exam questions and answers latest 2024 portage learning
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Module 3: Problem Set - Part 21. What is the purpose of the auricle?: The auricle (Figure 1) is shaped to funne
sound waves into the external acoustic canal so that sounds can be detected.
2. What is the purpose of cerumen?: Earwax which serves to trap foreign
materials.
3. The inner end of the external acoustic meatus terminates at the _____.:
Tympanic membrane
4. What bone touches the inner ear to transmit vibrations?: Stapes
5. The semicircular canals contribute in this way to the body's_____ sense.:
Vestibular sense
6. The ______ is the sense organ for the auditory system.: Organ of Corti
7. The movement of the stereocilia stimulates the neurons to send impulses
through the _____ nerve to the _______ lobe of the brain.: Cochlear nerve;
temporal lobe.
8. What is unique about the way the auditory pathway travels to the brain?:
The auditory pathway is a unique sensory pathway because the ascending
pathways cross in addition to sending signals to the same side of the brain. The
result is that sounds from each ear are equally interpreted on the left and right
sides of the brain. 9. What is the difference between nerve deafness vs.
conduction deafness?: Conduction deafness occurs from damage to the outer
or middle ear structures.
Nerve deafness occurs from damage to the nerve pathway.
10. Olfactory nerves contain what type of receptor cells?: Bipolar receptor
cells
11. The olfactory nerves travel through what bone?: Ethmoid (cribriform plate)
12. What is the order of the olfactory nerve pathway?: Olfactory nerves ’
olfactory bulbs ’ olfactory tracts’ temporal lobes
13. What is smell?: Smell is defined as a combination of a limited number of
primary odors that are detectable by the brain.
14. Label all olfactory landmarks.:
15. What is the anatomical word for taste?: Gustation (gustatory system)
16. True or false: The apex of the tongue is located on the anterior aspect of
the mouth.: True. The apex of the tongue is located on the anterior aspect of
the mouth.
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