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REVIEW SELF-QUIZ |
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QUESTION 1 (Slide Review 1, slide GROSS 3) 2) Name three places where the fibers in this pathway terminate. __________________________________ ______________________________________________________________________________________ What loss would result if the pathway were cut at the point where the pointer touches it? ______________ _____________________________________________________________________________________ 3) Important vessels enter the brain in this region; give their name(s) and give one structure that they supply. 11) Identify this small, dark purple structure with wiggly edges. __________________________________
Give two symptoms that result when this structure is damaged. ___________________________________ QUESTION 2 (Slide Review 1, slide GROSS 5) 4) Destruction of the gyrus lying just above this sulcus on the right side of the brain (right hemi sphere) would result in what sensory loss? ___________________________________________________ 9) Identify this cranial nerve. ______________________________________________________________ 10) What (output) pathway originates in this structure,and where does this pathway terminate? ______________________________________________________________________________________ QUESTION 3 (Slide Review 1, slide GROSS 6) 1) Name this space. _____________________________________________________________________ Describe the path of CSF as it leaves this space, and, ultimately, returns to the venous system. ______________________________________________________________________________________ ______________________________________________________________________________________ 8) What sensory pathway passes through this structure? _________________________________________ What loss would result if this structure were badly damaged on the left side of the brainstem? _______________________________________________________________________________________ 14) Identify this thalamic nucleus. __________________________________________________________ What would happen to the pupillary light reflex if this nucleus were damaged on the left side of the brain? _________________________________________________________________________________ QUESTION 4 (Slide Review 1, slide GROSS 8) 4) Identify this surface "bump". ___________________________________________________________ What nucleus lies just deep to this landmark? _______________________________________________ 7) This cranial nerve is exiting through the middle cerebellar peduncle; what motor loss would result if it were cut on the left side of the brainstem?_________________________________________________ ______________________________________________________________________________________
What effect would the same cut have on: a) the pupillary light reflex and b) the corneal reflex? ______________________________________________________________________________________ 9) What part of the motor cortex (from a somatotopic point of view) is normally supplied by this blood vessel? __________________________________________________________________________ Is this vessel a part of the anterior or posterior systems? _____________________________________ QUESTION 5 (Slide Review 2, slide 2) 2) Name this nucleus. ___________________________________________________________________ Neurons here send their axons to terminate in what nucleus? (include the word ipsi/contralateral in your answer) __________________________________________________________________________ 5) Name this pathway. __________________________________________________________________ _____________________________________________________________________________________ In what structure and "zone" will these axons terminate? ____________________________________ _____________________________________________________________________________________ 10) Name this structure. _________________________________________________________________ Neurons here send their axons to the cerebellum. Through which peduncle do they travel and with what cells in the cerebellar cortex do they make synaptic contact? (include the word ipsi/contralateral in your answer) QUESTION 6 (Slide Review 2, slide 6) 3) Identify the nucleus found in this region. Also give the letters often used (GSA, etc.) to describe its function. _____________________________________________________________________________ Describe, in words, the function of the neurons in this nucleus. _________________________________ _____________________________________________________________________________________ 6) How would you test this nerve? _________________________________________________________ _____________________________________________________________________________________
Describe the nature of the corticobulbar input to this nucleus? ________________________________ ______________________________________________________________________________________ 10) What motor nucleus is found in this region? _______________________________________________ Neurons here contribute axons to which cranial nerve(s)? ________________________________________ QUESTION 7 (Slide Review 2, slide 11) 1) Identify this nucleus. Also give the letters used to describe its function. ________________________ _____________________________________________________________________________________ A lesion here would also destroy the fibers of a cranial nerve (labeled #2) that loops around the nucleus. What motor loss would result because of damage to this second structure? 3) What somatic sensory pathway ascends in this area? ______________________________________ Where do the axons in this pathway have their cell bodies? (include the word ipsi/contralateral in your answer). __________________________________________________________________________ What loss would result if the axons marked by the yellow and green dots were cut? _______________ ______________________________________________________________________________________ QUESTION 8 (Slide Review 2, slide 13) 1) Identify this compact bundle of fibers. ___________________________________________________ Where do these axons have their cell bodies? _______________________________________________ 2) What ascending somatic sensory pathway is found in this region? ____________________________ In what nucleus will the axons of this pathway terminate? _____________________________________ 3) Identify this motor nucleus and give the letters used to describe its function. ___________________ _____________________________________________________________________________________ What other motor nuclei lie in the same functional cell column? ________________________________ ____________________________________________________________________________________ QUESTION 9 (Slide Review 3, slide 16)
2) Identify this pathway. _________________________________________________________________ Some of the fibers within this bundle are part of a somatic sensory pathway. Where will they termi nate and what sorts of sensations do they convey?____________________________________________ _____________________________________________________________________________________ 4) Give the input and output pathways for this structure. _____________________________________ _____________________________________________________________________________________ What word is used to describe how the neurons in this structure are organized. _____________________ _____________________________________________________________________________________ 5) Describe how this cranial nerve exits from the skull. _______________________________________ ____________________________________________________________________________________ In a subject who has this cranial nerve (the left one) damaged, what movements of the head are used to minimize the resultant diplopia? ________________________________________________________ QUESTION 10 (Slide Review 3, slide 21) 4) Where do these axons have their cell bodies? _____________________________________________ Describe what would happen to the pupillary light reflex if this pathway were cut on the right side of the brain. Also, what would happen to the corneal reflex? ______________________________________ _____________________________________________________________________________________ 5) Where will this pathway terminate? Where did it originate? ________________________________ _____________________________________________________________________________________ It's not very obvious - so what's the best way to find it? _______________________________________ _____________________________________________________________________________________ 8) Identify this "C shaped" structure. _____________________________________________________ ____________________________________________________________________________________
QUESTION 11 (Slide Review 3, slide 24) 4) In what "division" of the brain is this nucleus found? What pathway provides the major input to the nucleus? __________________________________________________________________________ What blood vessels supply the region where this nucleus is located? _____________________________ _____________________________________________________________________________________ 6) What pathway descends in this region? _________________________________________________ Damage to this pathway is associated with a classical group of symptoms. Give three of them? ____________________________________________________________________________________ 9) Identify this nucleus. ________________________________________________________________ Describe the clinical picture that results when this nucleus is damaged on the left side of the brainstem. __________________________________________________________________________ QUESTION 12 (Slide Review 3, slide 30) 1) Identify this nucleus. ________________________________________________________________ This nucleus is one of many that could be considered a part of the limbic system. Why is that? ____________________________________________________________________________________ 2) Identify this nucleus. ________________________________________________________________ Of which cerebellar "loop" or circuit is this nucleus a part? ___________________________________ 10) Damage to this nucleus gives rise to what movement disorder? ____________________________ ___________________________________________________________________________________ Will the abnormal movements be ipsilateral or contralateral to the damaged nucleus? ____________ ___________________________________________________________________________________ QUESTION 13 (Slide Review 4, slide 34) 6) Identify this nucleus. ___________________________________________________________
Give 3 abnormal findings (symptoms) associated with destruction of this nucleus in experimental animals. ___________________________________________________________________________ 8) Identify this general region of the brain. ________________________________________________ ___________________________________________________________________________________ Give three sorts of problems that might result following damage to this region. ___________________ ___________________________________________________________________________________ 11) Identify this tract. _________________________________________________________________ It is one component of a famous neural "circuit". What is the name of the circuit? ________________ __________________________________________________________________________________ QUESTION 14 (Slide Review 4, sagittal slide 9) 1) Identify this gyrus. _________________________________________________________________ 6) Name one place where the fibers in this "peduncle" will terminate. __________________________ 8) Identify this structure. ______________________________________________________________ 10) Identify this pathway. _____________________________________________________________ 11) What is this space, and how does CSF exit from it? _____________________________________ QUESTION 15 (Slide Review 4, frontal slide 38) 1) Identify this structure. ______________________________________________________________ Where did most of these fibers originate and where will most of them terminate?_________________ __________________________________________________________________________________ 5) Identify this structure. ______________________________________________________________ Where does the major input to this structure come from? ____________________________________ 8) Identify this structure. ______________________________________________________________ 9) Identify this blood vessel ____________________________________________________________
10) Identify this fissure ________________________________________________________________ QUESTION 16 (Slide Review 4, horizontal slide 16) 1) Identify this structure. _______________________________________________________________ 2) Identify this structure. _______________________________________________________________ 3) Identify this nucleus _________________________________________________________________ 4) Identify this space. __________________________________________________________________ 8) Identify this structure. ________________________________________________________________ |
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