Part1 test

[ridge]

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Hi Please answer the ques:
Which reflex is exhibited by masseter when tapped on side of the face?
1)stretch
2)withdrawal
3)golgi tendon
4)cross extensor
5)mass muscle
I think its stretch or withdrawl,but could anyone explain with reason?


P-wave in ST segment is analysed on EKG,this would indicate ectopic beat originating in
1)Atria
2)A-V node
3)lower portion of bundle of his
4)upper portion of bundle of his

Thanks in advance

 

[ridge]

Anyone..........please do answer it.

 

[pendejodo]

Anyone..........please do answer it.

hello is strech because the fibers actived in the side of taping in the other side will be withdrow just that simple check okeson .........va

 

[pendejodo]

hello is strech because the fibers actived in the side of taping in the other side will be withdrow just that simple check okeson .........va

p ==== depolarization atria mening this start just hear

 

[rahmed]

p ==== depolarization atria mening this start just hear

Do you mean atrial depolarization on upper fibres of bundle of His?

 

[ItsGavinC]

Do you mean atrial depolarization on upper fibres of bundle of His?

I don't think so.

 

[rahmed]

I don't think so.

Hi Gavin

I am confused about this Qs. I also think it's not atrial depolarization on Upper fibres of Bundle of His. Could you please tell me the correct answer and if possible, why. Thanks.

 

[eyeforstars]

1.) masseter reflex is a stretch reflex with the afferent nerve cell body (the mesencephalic nucleus) located intra-axially within the brainstem.

2.) P wave is seen in ST segment due to ectopic beat in the AV node,and this beat is characteristically inverted. with the QRS usually narrow.

I hope this helps

 

[ar78cx]

1- A
2-b