Which type of signaling occurs over the longest distance?

Why would a spinal tap be performed below L2?  

Fill in the missing terminology for the Sound/Hearing Pathway  1. Sound waves travel into external _[BLANK-1]_ 2. Vibrations hit _[BLANK-2]_ membrane 3. Then vibrate the 3 _[BLANK-3]_ 4. After reaching the stapes, they enter the oval window 5. This causes movement of the _[BLANK-4]_ which then … 6. causes movement of some membranes, and then … 7. causes movement of the _[BLANK-5]_ cells, which then … 8. touch another membrane 9. This causes nerve impulse formation by the _[BLANK-6]_ cells 10. Impulses travel from hair cells along the_[BLANK-7]_ branch of cranial nerve VIII (_[BLANK-8]_ nerve) to the … 11. _[BLANK-9]_, where the information  is interpreted as sound! 

Which type of receptors are sensitive to chemicals?

List at least (2) of the types of Diagnostic Procedures used to detect problems (disorders or disease) with the nervous system.

In the “Pancreas” song, which word couldn’t he think of another word to rhyme with it? 

Are your acetabula located closer to your macula lutea or your sacral plexus? 

Fill in the missing terminology to complete the Vision/Sight/Light Pathway  1. Light rays are bent entering through_[BLANK-1]_ 2. Light travels through _[BLANK-2]_  — _[BLANK-3]_ controls pupil size  1. Lens (and ciliary body) focus image on _[BLANK-4]_ 2. _[BLANK-5]_ cells (rods and cones) receive light and send nerve impulses to 3. Neurons then to the … 4. _[BLANK-6]_ (blind spot) then to 5. _[BLANK-7]_ nerve then to 6. Optic tracts then to the … 7. Thalamus of Brain and finally onto the … 8. _[BLANK-8]_ lobes of cerebrum to be interpreted as images! 

Select the approach(es) that effectively reduce indoor exposures to harmful components of ETS.

During the 1996 Olympics in Atlanta, car and bus traffic on roads was found to have been reduced considerably, leading to which observed effects?