pain sensation

Question 1

بسم الله عليه توكلت وعليه فليتوكل المتوكلون
______________________
ماهو الألم

Answer 1

هو شعور غير سار يعمل رد فعل انعكاسي يخليك تزيل محفز او مثير الألم

Question 2

عدد مستقبلات الألم

Answer 2

specific polymodal nociceptors FNE
mct
Mechnosensitive paine receptors
Chemosensitive pain receptors
Thermosensitive pain receptors 10 45

Question 3

ايه هي وسيلة تحفيز المستقبلات الخاصة بالألم ياعم عمر ؟

Answer 3

هو انه بيطلع من منطقة ضرر النسيح مواد كيميائية
2k h 2p
Kinnis k+ histamine substance p proteolytics
+ chemosensitive pain receptors
and lowering the threshold of
Thermo and Mechanosensitive pain receptors

Question 4

area without pain receptors is

Answer 4

painless structure

Question 5

pain receptors are more in ?
less in and lesser in ?

Answer 5

Skin Arterires and cranial venous sinuses
Joint capsule and Parietal layer of periosteum

less in muscles
lesser in viscera

Question 6

painless structures?

Answer 6

Brain Bone
Serous membrane visceral layer
alveloi of lung
Liver
Retina

Question 7

Pain afferents?

Answer 7

-A delta and C fibers

Question 8

Pathway of Pain

Answer 8

Lateral divison of Anterolateral system

Question 9

adaptation of pain receptors

Answer 9

Very slow or non adapting
Tonic

Question 10

types of pain

Answer 10

epicritic sfc sharp fast cortical
protopathic dst dull aching slow thalamic

Question 11

mentio pain classes according to site

Answer 11

Cutanuous
Deep muscular
Visceral
كل واحد عاوزين التعريف والاسباب والخصائص

Question 12

cutanuous pain causes mention 3

Answer 12

فاكر قانون فرق الجهد ^_^
v=3IR
Injury or inflammation of skin
Irritation of dorsal root nerves
Referred pain by the deep and visceral diseasd tissues

Question 13

Compare between fast and slow cutanuous pain at characters

Answer 13

fast cutanuos pain : Acute sharp immediate pricking
Slow : Chronic burning aching throbbing

Question 14

fast cutanuous pain at characters

Answer 14

fast cutanuos pain : Acute sharp immediate pricking

Question 15

slow cutanuous pain at characters

Answer 15

Slow : Chronic burning aching throbbing

Question 16

Compare between fast and slow cutanuous pain at receptors

Answer 16

Fast mainly mechanoreceptors and thermoreceptors
Slow Mainly chemoreceptors and other typer mechano and thermal

Question 17

Compare between fast and slow cutanuous pain at fibers

Answer 17

fast =A delta
slow= c fibers

Question 18

Compare between fast and slow cutanuous pain at nerotrasmitters

Answer 18

fast glutamte
slow substance p

Question 19

Compare between fast and slow cutanuous pain at pathway

Answer 19

both by lateral spinpthalamic tract but
Fast : Neo-spinothalamic tract
slow : paleo spinothalamic tract

Question 20

Compare between fast and slow cutanuous pain at perception

Answer 20

fast 90 in cortec and 10 in brainstem
slow 10 in cortex 90 in brain stem as:rtpt
1-Reticular formation
2-Tectum of mid brain
3-Peraqduecta gray area
4-non specific thalamic nuclei

Question 21

slow cutanuous pain at perception

Answer 21

slow 10 in cortex 90 in brain stem as:rtpt
1-Reticular formation
2-Tectum of mid brain
3-Peraqduecta gray area
4-non specific thalamic nuclei

Question 22

Compare between fast and slow cutanuous pain at site

Answer 22

fast skin
slow skin ( deep structures -viscera من أول لحظة )

Question 23

Compare between fast and slow cutanuous pain at summation

Answer 23

fast non summation
slow summated as more receptors are stimulated

Question 24

Compare between fast and slow cutanuous pain at localization

Answer 24

fast sharply localized
slow poorly localized

Question 25

Compare between fast and slow cutanuous pain at onset

Answer 25

fast after 0.1 sec
slow after 1 second

Question 26

Compare between fast and slow cutanuous pain at duration

Answer 26

fast 1-2 sec
Slow long may be untolerable

Question 27

Compare between fast and slow cutanuous pain at COD ReAN P2S2L
كود ريان بصل
كود ريان بصل
كود ريان بصل
كود ريان بصل

Answer 27

Characteristics
Onset
Duration
Receptors
Afferents
Neurotrasmitters
Pathway
Perception
Summation
Site
Localiztion

Question 28

Deep pain and it causes illustrate

Answer 28

Deep pain from deep structers as muscles
Causes are:
1-Injury to deep structures
2-inflammation to deep structures
3-Ischemia to deep structures
4-spasm to deep structures muscles

Question 29

characters of deep pain show ?

Answer 29

As Slow cutanuous pain charcaters
throbbing burning chronic
and may be localized to one limb but not one point
and Cause depressor parasympathatic effect decreasing HR And ABP

Question 30

اشرح الألم الاحتشائي

Answer 30

نوع من الألم العميق نتيجة نقص الامداد الدموي للتراكيب الداخلية زي العضلات
زي ما حصل في
Angina - Intermittent caludications
وده يحصل لي؟
-Decreased blood supply casues accumulation of metabolite as lactic acid and adenosine in tissue casuing pain
-tissue damage from ischemia release chemicals as kinins and histamins stimulating pain receptors

Question 31

describe visceral pain

Answer 31

pain from visceral srtuctures
casues:
Injury
inflammation as peritoneal
irritation as peptic ulcer by HCL
Ischemia at visceral organ
Overdistension bladder and spasm ureter

Question 32

اشرح لي SPASM &Overdistension
وهما بيعملوا الم حشوي ازاي

Answer 32

مثلا ضيق الحالب او تمدد قوي للمثانة
Mechnosnesitive pain receptors stimulation
Ischemia as occluding blood vessels
accumulating metabolites

Question 33

Mention three charcters of Visscera lpain

Answer 33

It is as Slow cutanuous pain ya man
-Depressor parasympathatic effect
-Guardening rigidity
-Referred pain
dgr ضجر وملل

Question 34

Fast fibers relay on —- but slow on —-

Answer 34

Lamina Marginalis
Substania gelatinosa

Question 35

fast pain
slow deep visceral

Answer 35

flexor withdrawal reflex
Rigidity
pressor sympathatic effect
depressor parasympathatic effet
emotional saddnes
hyperalgesis زيادة الاحساس بالألم

Question 36

الحمدلله رب العالمين