CN VII Facial

Question 1

CN VII - Facial - Nuclei are located in the?

Answer 1

Caudal pons

Question 2

CN VII - Facial - Voluntary motor is located?

Answer 2

Medially in pons

Near CN VI Abducens nucleus

Question 3

CN VII - Facial - Parasympathetic motor and special sensory is located?

Answer 3

Laterally in pons

Question 4

CN VII - Facial - Types of neurons?

Answer 4

Voluntary motor
Presynaptic parasympathetic
Somatosensory
Special sensory

Question 5

CN VII - Facial - Voluntary Motor - Muscles of?

Answer 5

Facial expression

Question 6

CN VII - Facial - Voluntary motor - All muscles of facial expression are innervated?

Answer 6

ipsilaterally

Question 7

Right CN VII - Facial - Voluntary motor - innervate muscles of facial expression on the?

Answer 7

Right side of the face

Question 8

Left CN VII - Facial - Voluntary motor - innervate muscles of facial expression on the?

Answer 8

Left side of the face

Question 9

Left CN VII - Facial - Voluntary motor - innervate muscles of facial expression on the?

Answer 9

Left side of the face

Question 10

CN VII - Facial - Voluntary Motor - The LMNs to these muscles are innervated differently. T/F

Answer 10

T

Question 11

CN VII - Facial - Voluntary Motor - LMNs to muscles of facial expression of the lower face have only?

Answer 11

Contralateral UMN innervation for voluntary movement

Question 12

CN VII - Facial - Voluntary Motor - LMNs to muscles of facial expression of the upper face have?

Answer 12

Bilateral UMN innervation for voluntary movement

Question 13

CN VII - Facial - Parasympathetic motor - Presynaptic neurons are?

Answer 13

Lacrimal glands (tears)
Salivary glands

Question 14

CN VII - Facial - Special Sensory - Taste is?

Answer 14

Anterior 2/3 of tongue

Question 15

CN VII - Facial - Special Sensory - 1st order afferent neuron somas in the?

Answer 15

facial ganglion

Question 16

CN VII - Facial - Special Sensory - 2nd order neuron somas in the?

Answer 16

Lateral caudal pons

Question 17

CN VII - Facial - Special Sensory - Taste is perceived in the?

Answer 17

Insula

Question 18

CN VII - Facial - Somatosensory - Very limited and is part of?

Answer 18

Soft palate and pharynx

Also small area of skin by the ear

Question 19

CN VII - Facial - Somatosensory - Very limited and is part of?

Answer 19

Soft palate and pharynx

Also small area of skin by the ear

Question 20

CN VII - Facial - Injury is loss of facial expression of?

Answer 20

Entire ipsilateral side of face

LMN Injury

Question 21

CN VII - Facial - Injury - What is loss of taste of anterior 2/3 of tongue?

Answer 21

Ageusia

Question 22

CN VII - Facial - Injury - Also experience?

Answer 22

Dry eye and mouth

Question 23

CN VII - Facial - Corticobrainstem injury - Unilateral lesion?

Answer 23

UMN injury

Question 24

CN VII - Facial - Corticobrainstem injury - Unilateral lesion can cause paralysis of muscles of facial expression of the?

Answer 24

Contralateral lower face with normal function of muscles of the upper face

Question 25

CN VII - Facial - Corticobrainstem injury - Unilateral lesion can cause paralysis of muscles of facial expression of the?

Answer 25

Contralateral lower face with normal function of muscles of the upper face

Question 26

CN VII - Facial - Corticobrainstem injury - Emotional centers in the brain have direct connections to the LMNs in CN VII Facial. If intact, these other UMNs allow for spontaneous facial expressions in the lower face despite loss of voluntary facial expressions when?

Answer 26

One corticobrainstem tract is damaged.