Summary ANP 130 (Unit 4) Spinal Cord, Spinal Nerves, and Somatic Reflexes Exam QUESTIONS AND ANSWERS 100% RATED CORRECT WITH 100% SURE PASS|GRADED A+

ANP 130 (Unit 4) Spinal Cord, Spinal Nerves,
and Somatic Reflexes Exam QUESTIONS
AND ANSWERS 100% RATED CORRECT
WITH 100% SURE PASS|GRADED A+
CNS Spinal Cord - CORRECT ANSWERS - Foramen Magnum to L1

- 17 in. long; 3/4 in diameter

- 31 pairs spinal nerves emerge from spinal cord



CNS Spinal Cord (Functions) - CORRECT ANSWERS - conduction/communication

- locomotion

- reflexes (*Medullary Cone & *Cauda Equina)



Locomotion - CORRECT ANSWERS ~central pattern generators (for simple repetitive
motions)



Reflexes - CORRECT ANSWERS *Medullary Cone & *Cauda Equina



Medullary Cone - CORRECT ANSWERS terminal end of spinal cord



Cauda Equina - CORRECT ANSWERS *horse's tail*



C3->T2 Cervical Enlargement - CORRECT ANSWERS Upper Limb innervation



T9->T12 Lumbar Enlargement - CORRECT ANSWERS Lower Limb innervation

, Cross-sectional Anatomy - CORRECT ANSWERS - makes an "H" or "butterfly" shaped gray
matter surrounded by white matter.



Gray Matter - CORRECT ANSWERS Inside H Pattern



White Matter - CORRECT ANSWERS Outside



Epidural Space - CORRECT ANSWERS -Anesthetics

-blood vessels, adipose, loose CT



Meninges - CORRECT ANSWERS Dura mater (dural sheath)

Arachnoid mater

Pia mater



Gray Matter *horns* (left) - CORRECT ANSWERS -posterior horn

-gray commissure

-lateral horn

-anterior horn



White Matter *columns* (right) - CORRECT ANSWERS -posterior column

-lateral column

-anterior column



Poliovirus - CORRECT ANSWERS *destroys neurons in anterior horn*



Poliomyelitis - CORRECT ANSWERS gray spinal cord inflammation