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  #1  
Old 05-11-2016
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Default Help with 1 NBME question

Hi!
I've been trying to grasp a concept of one of the questions I got wrong.

It's about a 25yo male after the accident, can't get an erection only when stimulated by wife and it's short lasting. The question is: the best explanation for this type of erection is the intact spinal reflex arc between the sacral paras nerves and which of the following?

The answer is a pudendal nerve.

Mu qs is why? I know it's responsible for ejaculation but where is the connection?
Would appreciate your help.
Thanks
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Old 05-14-2016
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Default nbme q

which nbme ?
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Old 05-14-2016
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Default

The pudendal nerve is responsible for sensation from the genitals, so it makes sense that the sensation would travel from the pudendal nerve and synapse in a reflex arc to cause the erection.
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