PNS QUIZ 1 QUESTIONS | PRACTICE QUESTIONS, ANSWERS & STUDY GUIDE
2026/2027
The central nervous system includes the nucleus of origin for _____ nerve fibers. - correct
answer ✔✔1. 12 Cranial Nerve
In general, how many intervertebral foramen for the spinal nerves do we have? - correct answer
✔✔1. 24, 25, or 29
Parasympathetic nerves are carried by what cranial nerves? - correct answer ✔✔1. CN's III, VII,
IX, & X
The sympathetic nervous system controls all visceral structures except what? - correct answer
✔✔1. Constrictor Pupilea
Primary somaesthetic neurons have long ________ processes & short _________ processes. -
correct answer ✔✔1. Peripheral
2. Central
Name the layer of the retina where the optic nerve arises. - correct answer ✔✔1. Layer of
Nerve Fibers
Name the apparent origin of the Oculomotor nerve. - correct answer ✔✔1. Interpeduncular
Fossa
Name the cranial nerve which arises from the dorsal side of the midbrain. - correct answer
✔✔1. CN IX: Trochlear
Name the nerve for deglutition. - correct answer ✔✔1. CN V: Trigeminal
2026/2027
The central nervous system includes the nucleus of origin for _____ nerve fibers. - correct
answer ✔✔1. 12 Cranial Nerve
In general, how many intervertebral foramen for the spinal nerves do we have? - correct answer
✔✔1. 24, 25, or 29
Parasympathetic nerves are carried by what cranial nerves? - correct answer ✔✔1. CN's III, VII,
IX, & X
The sympathetic nervous system controls all visceral structures except what? - correct answer
✔✔1. Constrictor Pupilea
Primary somaesthetic neurons have long ________ processes & short _________ processes. -
correct answer ✔✔1. Peripheral
2. Central
Name the layer of the retina where the optic nerve arises. - correct answer ✔✔1. Layer of
Nerve Fibers
Name the apparent origin of the Oculomotor nerve. - correct answer ✔✔1. Interpeduncular
Fossa
Name the cranial nerve which arises from the dorsal side of the midbrain. - correct answer
✔✔1. CN IX: Trochlear
Name the nerve for deglutition. - correct answer ✔✔1. CN V: Trigeminal
