Bios 252 - Exam WITH CORRECT SOLUTIONS
UPDATED (2025-2026) PRACTICE TEST
1. cauda equina - -ANS☑️☑️--bundle of nerve roots that occupy the vertebral
canal from L2 to S5
2. Cerebellum - -ANS☑️☑️--controls skeletal muscle movements, coordinates
skeletal muscle contractions, maintains muscle tone for
balance/equilibrium
3. conus medullaris - -ANS☑️☑️--cord tapers to a point inferior to
lumbosacral enlargement
4. conus medullaris - -ANS☑️☑️--tapered inferior end of spinal cord
5. cranial nerve - abducens - -ANS☑️☑️--6 - moves eyeball via extrinsic eye
muscle (lateral rectus) - motor
6. cranial nerve - accessory - -ANS☑️☑️--11 - movement of head - motor
(2026-2027 UPDATED) GRADED A+
7. arachnoid mater - -ANS☑️☑️--weblike middle layer of the three meninges
8. ascending tracts - -ANS☑️☑️--carry sensory information to the brain
9. ascending tracts pathways - -ANS☑️☑️--spinocerebellar, spinothalamic,
dorsal column
, 10. Broca area function - -ANS☑️☑️--Generates motor program for the muscles
of the larynx, tongue, cheeks, and lips for speaking
11. carry motor information from the CNS to effectors - -ANS☑️☑️--direct
pathway
12. cranial nerve - facial - -ANS☑️☑️--7 - taste (anterior 2/3 of tongue), pain,
touch, thermal sensation, muscles of facial expression, secretion of
tears/saliva - mixed
13. cranial nerve - glossopharyngeal - -ANS☑️☑️--9 - taste (posterior 1/3 of
tongue), monitors co2 / o2, monitors BP, swallowing, saliva secretion -
mixed
14. cranial nerve - hypoglossal - -ANS☑️☑️--12 - speech, manipulation of food,
swallowing - motor
15. cranial nerve - oculomotor - -ANS☑️☑️--3 - moves eyeball via extrinsic eye
muscles; adjusts lens; constricts pupil - motor
16. cranial nerve - olfactory - -ANS☑️☑️--1 - smell - sensory
17. cranial nerve - optic - -ANS☑️☑️--2 - vision - sensory
18. cranial nerve - trigeminal - -ANS☑️☑️--5 - touch, pain, thermal sensation,
chewing - mixed
UPDATED (2025-2026) PRACTICE TEST
1. cauda equina - -ANS☑️☑️--bundle of nerve roots that occupy the vertebral
canal from L2 to S5
2. Cerebellum - -ANS☑️☑️--controls skeletal muscle movements, coordinates
skeletal muscle contractions, maintains muscle tone for
balance/equilibrium
3. conus medullaris - -ANS☑️☑️--cord tapers to a point inferior to
lumbosacral enlargement
4. conus medullaris - -ANS☑️☑️--tapered inferior end of spinal cord
5. cranial nerve - abducens - -ANS☑️☑️--6 - moves eyeball via extrinsic eye
muscle (lateral rectus) - motor
6. cranial nerve - accessory - -ANS☑️☑️--11 - movement of head - motor
(2026-2027 UPDATED) GRADED A+
7. arachnoid mater - -ANS☑️☑️--weblike middle layer of the three meninges
8. ascending tracts - -ANS☑️☑️--carry sensory information to the brain
9. ascending tracts pathways - -ANS☑️☑️--spinocerebellar, spinothalamic,
dorsal column
, 10. Broca area function - -ANS☑️☑️--Generates motor program for the muscles
of the larynx, tongue, cheeks, and lips for speaking
11. carry motor information from the CNS to effectors - -ANS☑️☑️--direct
pathway
12. cranial nerve - facial - -ANS☑️☑️--7 - taste (anterior 2/3 of tongue), pain,
touch, thermal sensation, muscles of facial expression, secretion of
tears/saliva - mixed
13. cranial nerve - glossopharyngeal - -ANS☑️☑️--9 - taste (posterior 1/3 of
tongue), monitors co2 / o2, monitors BP, swallowing, saliva secretion -
mixed
14. cranial nerve - hypoglossal - -ANS☑️☑️--12 - speech, manipulation of food,
swallowing - motor
15. cranial nerve - oculomotor - -ANS☑️☑️--3 - moves eyeball via extrinsic eye
muscles; adjusts lens; constricts pupil - motor
16. cranial nerve - olfactory - -ANS☑️☑️--1 - smell - sensory
17. cranial nerve - optic - -ANS☑️☑️--2 - vision - sensory
18. cranial nerve - trigeminal - -ANS☑️☑️--5 - touch, pain, thermal sensation,
chewing - mixed
