Bio 2300 Unit 2 Exam 2025 Questions
and Answers
The corpus callosum of the cerebrum is a great example where ______________
fibers (tracts) cross from one hemisphere to the other - --CORRECT ANSWER--
Commissural
This type of nerve travels from the cerebral cortex to the anterior horn - --
CORRECT ANSWER--Upper motor nerve
What division of the visceral efferent is responisble for pupillary constriction - --
CORRECT ANSWER--Parasympathetic
What feature of the spinal cord is considered to be the tip of the spinal cord - --
CORRECT ANSWER--Conus medullaris
Gateway to the cerebrum - --CORRECT ANSWER--Thalamus
For the somatic afferent division of the nervous system, the number of neurons
connecting the CNS to the PNS is one. The location of the nerve cell bodies are
where? - --CORRECT ANSWER--Dorsal root ganglion
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, Supporting cells found in the CNS and PNS are called - --CORRECT ANSWER--
neuroglia
The spinal nerve will divide into the __________ and _____________. - --
CORRECT ANSWER--anterior rami, posterior rami
The entrance/exit of the skull for cranial nerve number 8. - --CORRECT
ANSWER--Internal acoustic meatus
80% of brain mass - --CORRECT ANSWER--cerebrum
The entrance/exit of the skill for cranial nerve number 1 - --CORRECT
ANSWER--Cribriform plate
Structure in the diencephalon, releases melatonin which helps us to regulate mood
and sleep - --CORRECT ANSWER--Epithalamus/pineal body
Provides parasympathetic innervation of the digestive tract and heart - --
CORRECT ANSWER--Vagus Nerve
Number of pairs of spinal nerves - --CORRECT ANSWER--31
Which of the following connects the cerebral cortex to the spinal cord - --
CORRECT ANSWER--Upper motor neuron
Balance, body posture, and fine motor coordination are monitored by the - --
CORRECT ANSWER--Cerebellum
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
and Answers
The corpus callosum of the cerebrum is a great example where ______________
fibers (tracts) cross from one hemisphere to the other - --CORRECT ANSWER--
Commissural
This type of nerve travels from the cerebral cortex to the anterior horn - --
CORRECT ANSWER--Upper motor nerve
What division of the visceral efferent is responisble for pupillary constriction - --
CORRECT ANSWER--Parasympathetic
What feature of the spinal cord is considered to be the tip of the spinal cord - --
CORRECT ANSWER--Conus medullaris
Gateway to the cerebrum - --CORRECT ANSWER--Thalamus
For the somatic afferent division of the nervous system, the number of neurons
connecting the CNS to the PNS is one. The location of the nerve cell bodies are
where? - --CORRECT ANSWER--Dorsal root ganglion
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, Supporting cells found in the CNS and PNS are called - --CORRECT ANSWER--
neuroglia
The spinal nerve will divide into the __________ and _____________. - --
CORRECT ANSWER--anterior rami, posterior rami
The entrance/exit of the skull for cranial nerve number 8. - --CORRECT
ANSWER--Internal acoustic meatus
80% of brain mass - --CORRECT ANSWER--cerebrum
The entrance/exit of the skill for cranial nerve number 1 - --CORRECT
ANSWER--Cribriform plate
Structure in the diencephalon, releases melatonin which helps us to regulate mood
and sleep - --CORRECT ANSWER--Epithalamus/pineal body
Provides parasympathetic innervation of the digestive tract and heart - --
CORRECT ANSWER--Vagus Nerve
Number of pairs of spinal nerves - --CORRECT ANSWER--31
Which of the following connects the cerebral cortex to the spinal cord - --
CORRECT ANSWER--Upper motor neuron
Balance, body posture, and fine motor coordination are monitored by the - --
CORRECT ANSWER--Cerebellum
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
