Rhomboid fossa

Question 1

Rhomboid fossa

-characteristics (3)

Answer 1

• anterior wall is formed by the back of pons and medulla oblongata
• constitutes the floor of the 4th ventricle
• covered by a thin layer of gray matter

Question 2

How many nuclei of cranial nerves are at the rhomboid fossa?

Answer 2

10

Question 3

Name of the nerves

-10

Answer 3

Ocular motor nerve 
Tracheal nerve 
Trigeminal nerve 
Abducens nerve 
Facial nerve 
Vestibular cochelar nerve 
Glossopharyngeal nerve 
Vagus nerve 
Accessory nerve 
Hypoglossal nerve

Question 4

3. Ocular nerve

- nuclei

Answer 4

• Nucleus motorius –> motor neurons

- Nuclei accessorii –> parasympathethic neurons

Question 5

4. Tracheal nerve

- nuclei

Answer 5

Nucleus of tracheal nerve –> motor neurons

Question 6

5. Trigeminal nerve

- nuclei

Answer 6

Nucleus motorius–> motor neurons

Nuclei mesencephalicus –> sensory neuron

Nucleus Principalis –> sensory neuron

Spinal nuclei –> sensory neuron

Question 7

6. Abducens nerve

- nuclei

Answer 7

Abducens nucleus –> motor neurons

Question 8

7. Facial nerve

- nuclei

Answer 8

Nucleus solitarius –> sensory

Nucleus motor facial –> motor

Nucleus salivatorius superior –> parasympathetic

Question 9

8. Vestibular cochlear nerve

- nuclei

Answer 9

Cochlear and vestibular nuclei –> sensory

Question 10

Function of abducens nerve

Answer 10

Performs abduction sight

Question 11

Function of vestibular cochlear nerve

Answer 11

Balance and auditory function

Question 12

9. Glossopharyngeal nerve

- nuclei

Answer 12

Nucleus ambiguus –> motor

Nucleus solitarius –> sensory

Nucleus salivatorius inferior –> parasympathetic

Question 13

10. Vagus nerve

- nuclei

Answer 13

Nucleus ambiguus –> motor

Nucleus solitarius –> sensory

Nucleus dorsalis–> parasympathetic

Question 14

11. Accessory nerve

- nuclei

Answer 14

Spinal nucleus –> motor

Question 15

12. Hypoglossal nerve

- nuclei

Answer 15

Nucleus hypoglossi –> motor

Question 16

Classification of nuclei

-7 groups

Answer 16

GSA --> general somatic afferent 
GVA --> general visceral afferent 
GSE --> general somatic efferent 
GVE --> general visceral efferent 
SVA --> special visceral afferent 
SVE --> special visceral efferent
SSA --> special somatic afferent

Question 17

GSE - general somatic efferent

-nuclei that are part of this group

Answer 17

Motor of 3, 4, 6, 12

ocular motor, trochlear, abducens, hypoglossal nerve

Question 18

GVE - general visceral efferent

-nuclei that are part of this group

Answer 18

All parasympathetic neurons

Question 19

SVE - special visceral efferent

-nuclei that are part of this group

Answer 19

• Motor of 5 and 7 (trigeminal and facial)
• ambiguus
• spinal of accessory

Question 20

GSA - general somatic afferent

-nuclei that are part of this group

Answer 20

• Mesenphalic
• Principal
• Spinal

Question 21

GVA/ SVA

-nuclei that are part of this group

Answer 21

Nucleus solitarius

Question 22

SSA - special somatic afferent

-nuclei that are part of this group

Answer 22

• Vestibular

- Cochlear

Question 23

OH TO TOUCH A FEMALES VAGINA GIVES VERY AMUSING HOURS

Answer 23

OH TO TOUCH A FEMALES VAGINA GIVES VERY AMUSING HOURS