Anatomy

Question 1

What is epidural space ?

Answer 1

Space that situated between the wall of vertebral canal and spinal dura mater .
It also contain fats.

Question 2

What is spinal cord enveloped of

Answer 2

S.C is enveloped by meninges

Question 3

Whatis subarachnoid space ?

Answer 3

Space that is surrounding the spinal cord .

Contaon CSF

Question 4

Dorsal Spinal Root + Ventral spinal roots =?

Answer 4

Spinal nerves

Question 5

What is intervertebral foramen ?

Answer 5

Foramen that located between spinal vertebrae

Question 6

What is transverse foramen ?

Answer 6

An opening, but occupied by vertebral artery and vein

Question 7

What is intervertebral disc ?

Answer 7

Lies between the adjacent vertebrae in the vertebral column.
Each disc form is fibrocartilagous joint.
To allow slight movement of the vertebrae , act as ligament to hold the vertebrae together, shock absorber for spine.

Question 8

What is ventral root ?

Answer 8

Receive information from brain motor cortex .

Send skeletal muscle ->trigger voluntary movement.

Question 9

What is dorsal horn ?

Answer 9

To take e3nsory information then send it to brains sensory cortex

Question 10

What is lateral horn ?

Answer 10

Help to regulate processes like urination , digestion , heart rate .

Question 11

What is spinal nerve ?

Answer 11

Nerve that leaving the spinal cord.

Question 12

Funct Ventral root ?

Answer 12

Carries motor fibre.

Question 13

Funct ventral ramus ?

Answer 13

Innervate limbs and anterior torso

Question 14

Funct of dorsal ramus ?

Answer 14

Innervate the back

Question 15

Funct dorsal root ?

Answer 15

Recieve sensory fibres

Question 16

Funct dorsal root ganglion ?

Answer 16

It send fiber towards spinal cord and toward periphery

Question 17

Functional components of nerves ?

Answer 17

1. General Somatic Afferent (GSA)
2. General Somatic Efferent (GSE)
3. General Visceral Afferent (GVA)
4. General Visceral Efferent (GVE)

Question 18

Three additional for special sense & pharyngeal arc muscles ?

Answer 18

5. Special Somatic afferent for vision and hearing
6. Special visceral afferent for taste and olfaction
7. Special visceral efferent for supplying muscles wh8ch develop from the pharyngeal arches.

Question 19

What is reflex ?

Answer 19

Fast, automatic response to specific stimulus .

Question 20

What is 5 components of reflex arc ?

Answer 20

1. Sensory receptor
2. Sensory neuron
3. Integration center
4. Motor neuron
5. Effector target

Question 21

Why monosynaptic reflex is the simplest reflex ?

Answer 21

Becuz its only involve 1 sensory and 1 motor neuron.

Thus the reflex action takes place without the involvement of brain.

Question 22

What monosynaptic reflex includes ?

Answer 22

Patellar reflex

Achilles reflex

Question 23

Nerves to extrinxic muscles of the thoracic limb ?

Answer 23

• Pectoral NN
• Thoracodorsal N.
• Long Thoracic N.

Question 24

Nerved that innervate intrinsic muscles of the scapular region ?

Answer 24

• Suprascapular N.

* Subscapular N.

Question 25

What muscle is for pectoral N.

Answer 25

To Cleidobranchialis

Question 26

What muscles is for Thoracodorsal N.

Answer 26

To Lattisimus dorsi

Question 27

What muscle is for Long Thoracic N.?

Answer 27

To thoracic part of serratus ventralis & to cutaneus trunci

Question 28

Where does the Suprascapular N innervate ?

Answer 28

To supraspinatus & infraspinatus

Question 29

Where subscapular N. innervate ?

Answer 29

To subscapularis