Week 10 - Cranial & Peripheral Nerves Flashcards
The accomodation reflex of the of eye is dependent upon which cranial nerves? Identify which is sensory and which is motor.
CN II - Optic - Sensory
CN III - Oculomotor - Motor
The pupillary light reflex of the eye is dependent upon which cranial nerves? Identify which is sensory and which is motor.
CN II - Optic - Sensory
CN III - Oculomotor - Motor
The corneal reflex requires sensory input via ______ and motor reaction as blinking via ______
CN V - Trigeminal
CN VII - Facial
The gag (aka _______) reflex sensory input via ______ and motor reaction as gagging via ______
phayngeal
CN IX - Glossopharyngeal
CN X - Vagus
Which cranial nerve controls abduction of the eye?
CN VI - Abducens
Which cranial nerve controls superior oblique muscle of the opposite eye?
CN IV - Trochlear
Which cranial nerve is responsible for mastication and sensations from the head and face?
CN V - Trigeminal
Which cranial nerve controls all sensations but taste from the anterior 2/3 of the tongue?
CN V - Trigeminal
Which cranial nerve controls all sensations, including taste from the root of the tongue?
CN IX - Glossopharyngeal
Which cranial nerve controls taste sensations from the epiglottis and pharynx?
CN X - Vagus
Which cranial nerve is in charge of facial expressions, lacrimation and salivation?
CN VII - Facial
Which cranial nerve is the major nerve of swallowing and also in control of parotid gland secretion?
CN IX - Glossophayngeal
Which cranial nerve is sensory for hearing and equilibrium and is tested by the application of the tuning fork?
CN VIII - Vestibulocochlear
Which cranial nerve operates w/ SCM and trapezius muscle?
CN XI - Accessory
Which cranial nerve is in control of tongue movement?
CN XII - Hypoglossal
Which cranial nerve is considered the longest nerve of the human body and is in control of parasympathetic activities of thoracic, abdominal and pelvic organs?
CN X - Vagus
The _____ nerve controls the diaphragm and is part of the _______ plexus. It originates from the anterior rami of spinal nerves _______
phrenic
cervical
C3, C4, C5
The _____ nerve controls extensor muscles of the upper extremity and is part of the _______ plexus. Its sensory distribution on the arm and hand is ________
radial
brachial
posteriolateral aspet of the arm including lateral 3.5 fingers but not finger nails
Which peripheral nerve is responsible for most flexor muscles of the upper extremity, and when injured, results in carpal tunnel syndrome?
median
Which nerve operates w/ movement of the thumb?
median
Which nerve controls abduction-adduction of 2nd-5th fingers?
ulnar
Which nerve controls muscles and skin of the posterio-medial and anterio-medial arm/hand surface, including little finger and the medial half of the ring finger?
ulnar
The _______ nerve is the largest nerve of the lumbar plexus and controls ____________
femoral
hip flexion and knee extension
The _____ nerve is the largest nerve of the human body and is in control of _________
sciatic
posterior thigh muscles
List major nerves of the lumbo-sacral plexus
superior gluteal, inferior gluteal, nerve to piriformis, sciatic, tibial, common fibular, deep fibular, pudendal
The lumbo-sacral plexus supplies the ________
buttocks, perineum, lower limbs
The superior gluteal innervates _______ and controls _______
gluteus medius, gluteus minimus, fascia latae muscles
hip abduction
The inferior gluteal innervates _______ and controls ______
gluteus maximus
hip extension
The sciatic nerve splits above the knee into _________
tibial nerve common fibular (peroneal) nerve
Sensory fibers of the tibial nerve are known as _____
sural nerve
The pudendal nerve is responsible for motor function of ______ and sensory function of ________
voluntary sphincters, skeletal muscles of the perineum
skin of the genitalia
The genitofemoral nerve controls _________
adjustment of cremastor muscle
Lateral strabismus can occur with injury to which nerve(s)?
CN III, CN IV
Medial strabismus can occur with injury to which nerve(s)?
CN VI
Which cranial nerve controls taste sensations from anterior 2/3 of the tongue?
CN VII - Facial
