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BIO 252 EXAM 2 Questions and Answers 2025/2026 Chamberlain

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BIO 252 EXAM 2 Questions and Answers 2025/2026 Chamberlain /BIO 252 EXAM 2 Questions and Answers 2025/2026 Chamberlain

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BIO252
Course
BIO252

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BIO 252 EXAM 2 Chamberlain
Study online at https://quizlet.com/_g3vb7p
1. Polysynaptic Reflex: A type of reflex arc that involved an interneuron within the
spinal cord
2. Polysynaptic Reflex involves what type of neuron: Interneuron
3. What are the functions of the Spinal Cord: conduction
neural integration
locomotion
reflexes
4. Which of the following components are part of the reflex arc? (SELECT ALL
ON TEST): The path taken is
Receptor
Sensory neuron
Spinal cord
Motor neuron
Muscle effector
5. What level is the Achilles reflex?: S1
6. Patelllar reflex tests what part of the spine: L4 and L5
7. What are the 3 types of body fluids?: Extra cellular Fluid
Interstitial fluid
Intercellular fluid
8. What is an Extracellular Fluid?: Blood
9. An example of a connective tissue?: Blood
10. What is the anterior median fissure?: A deep midline groove of the anteri-
or/spinal cord
11. Intracellular Fluid: cytosol
Cytoplasm
Fluid within the cell
12. Interstitial fluid: Fluid in the spaces in between cells
13. Cervical Enlargement: The spinal cord expansion that corresponds to the arms
includes spinal segments C5-T1
14. Where does the spinal cord live?: vertebral canal
15. How many spinal nerves are in the body?: 31
16. Where is motor efferent and sensory afferent?: Anterior horns - Motor effer-
ent

Posterior Doesal Horn - Sensory Afferent
17. Up the spinal cord: Posterior and sensory
18. Down the spinal cord: Anterior and motor related
19. ESSAY QUESTION name the 4 major regions of the spinal cord?: Cervical
Thoracic
1/5

, BIO 252 EXAM 2 Chamberlain
Study online at https://quizlet.com/_g3vb7p
Lumbar
Sacrum
20. lumbosacral enlargement: L1 to L5

Lower side (will be picture if on test)
21. Cauda Equina (horse's tail): Collection of nerve roots at bottom of spine,
affects legs and bladder
22. Meninges of the Spinal Cord: PADs
Deepest to superficial
Pia
Arachnoid
Dura
23. What is the mater that surrounds and encapsulates the brain itself?: Pia
Mater
24. What is the most superficial meninge?: The Dura Mater
25. ascending tracts: Spinothalamic tract
Sends sensory information always

Light touch sensation is transmitted by what tract?

Spinothalamic tract - goes from spine to thalamus.
26. Decending tract: Brain to spine and always motor
27. The corticospinal Tract: Motor function
Starts in cortex ends in spine
28. Poliomyelitis Vaccination: There is no cure for polio but it can be prevented
with safe and effective vaccination
29. Dorsal root ganglion a picture: Posterior root ganglion is answer.
30. What particular plexus supplies the diaphragm?: The cervical plexus (The
Phrenic Nerve specifically)
31. What is the name of the arm?: Brachial (brachial plexus)
32. The muscularcutaneous is what type of nerve: Mixed nerve both muscular
and sensory
33. What is the largest nerve in the body?: Sciatic Nerve
34. What is a myotome?: The nerve supply to a particular muscle
35. Test question about picture of colored man.: Dermatone
36. How many spinal nerve pairs are there?: 31 pairs

8 cervical
12 thoracic
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