لـــور لـــيـــمـــب براكتيكال.🦥
Dr. Khalid Milad
https://youtube.com/playlist?list=PLRGatehxZo5s8UYr-CwUU68n-NG1UoYym
Dr. Adham Abdelrahman
https://youtu.be/CL03Atigymc
Dr. Elfeky
https://youtu.be/QDHpG9U6aUU
https://youtu.be/jGdIrvO2EQw
Dr. Mahmoud Alaa
https://youtu.be/iAmJtDhJlWo
___
LL Mnemonics
https://youtube.com/playlist?list=PL6-42Xcxuexjagt1P9pjYbFgJKXBYN-Pp
© Channel
#LL_ANATOMY_YT_PRAC
Dr. Khalid Milad
https://youtube.com/playlist?list=PLRGatehxZo5s8UYr-CwUU68n-NG1UoYym
Dr. Adham Abdelrahman
https://youtu.be/CL03Atigymc
Dr. Elfeky
https://youtu.be/QDHpG9U6aUU
https://youtu.be/jGdIrvO2EQw
Dr. Mahmoud Alaa
https://youtu.be/iAmJtDhJlWo
___
LL Mnemonics
https://youtube.com/playlist?list=PL6-42Xcxuexjagt1P9pjYbFgJKXBYN-Pp
© Channel
#LL_ANATOMY_YT_PRAC
❤3👍1
لـــور لـــيـــمـــب يوتيوب.🦥
🔻 فـيـديـوهـات شـرح 🔻
🔻 فـيـديـوهـات مـراجـعـة 🔻
🔻 فـيـديـوهـات عـمـلي 🔻
© Channel
🔻 فـيـديـوهـات شـرح 🔻
🔻 فـيـديـوهـات مـراجـعـة 🔻
🔻 فـيـديـوهـات عـمـلي 🔻
© Channel
🔥2
About the pacemaker potential, all the following is true EXCEPT:
Anonymous Quiz
53%
Its amplitude is –80 to –90 mV
15%
It is unstable
19%
The firing level occurs at about –40 mV
13%
Its slope is decreased by increased permeability to K+
❤3
the rhythmic excitation of pace maker cell is changed by activity of... fiber
Anonymous Quiz
33%
Somatic
67%
Autonomic
❤3
When there is stimulation by para sympathetic nerve There is decacese in rhythmicity SA node
Anonymous Quiz
73%
True
27%
False
❤3👍1🤷1
❤2
K favor .......while ca favor .......
Anonymous Quiz
7%
Systol....systol
30%
Systol....dyastol
9%
dyastole.....dyastol
55%
dyastol......systol
❤3
❤3
the resting membrane potential of pace maker ?
Anonymous Quiz
64%
- 55 mv
26%
- 85 mv
3%
+ 30 mv
7%
+ 60 mv
❤2
the lesser resting membrane potential of pace maker is because of ...........?
Anonymous Quiz
15%
T type voltage gated Ca channels
22%
Fast sodium channels
18%
L type voltage gated Ca channels
45%
Funny sodium channels
❤2🔥1
During absolute refractory period of cardiac AP which stimulus can cause excitation?
Anonymous Quiz
18%
Normal
20%
Very strong
9%
Weak
52%
Non of the above
❤2
The portion of conductive system that have highest rhythmicity
Anonymous Quiz
79%
SA node
6%
AV node
9%
Purkinje fibers
6%
Ventricular muscle
❤2
If not for large quantities of Ca defusing into the cardiac cells the contraction would be
Anonymous Quiz
32%
Increased
43%
Reduced
12%
Remain constant
13%
No change
❤2
About the pacemaker potential, all the following is true EXCEPT:
Anonymous Quiz
74%
Its amplitude is –80 to –90 mV
9%
It is unstable
11%
The firing level occurs at about –40 mV
6%
Its slope is decreased by increased permeability to K+
❤2