Bio 253 Exam 2 Questions and Answers Verified by Experts

Bio 253 Exam 2 Questions and Answers
Verified by Experts

Myotomes movement Skeletal muscle or muscles supplied by efferent (motor) fibers of a

given spinal nerve




How many cranial nerves are responsible for eye movement and what are they 3 they are

Cranial Nerves III, IV, and VI (3,4,6)




cranial nerves Oh Olfactory SENSORY


Oh Optic SENSORY

Oh Oculomotor MOTOR

To Trochlear MOTOR

Touch Trigeminal MIXED

And Abducens MOTOR

Feel Facial MIXED

Very Vestibulocochlear SENSORY

Good Glossopharyngeal MIXED

Vagina's Vagus MIXED

, Bio 253 Exam 2 Questions and Answers
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and Accessory MOTOR

Hymen Hypoglossal MOTOR

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What do cranial nerves contain contains axons of sensory and motor neurons




Afferent Afferent neurons are sensory neurons that carry nerve impulses from sensory

stimuli towards the central nervous system and brain




Efferent are motor neurons that carry neural impulses away from the central nervous

systme and towards muscles to cause movement.




Reflex Arc the nerve pathway involved in a reflex action including at its simplest a

sensory nerve and a motor nerve with a synapse between.




The somatic motor system includes all the __ motor pathways __ the CNS. voluntary;

outside