Which of the following is NOT true regarding the voiding reflex?

Question

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it occurs when the bladder volume reaches 300-400mls

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it involves parasympathetic fibres

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it remains intact in the period of spinal shock following transaction of the spinalcord

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it is integrated in the sacral segments of the spinal cord

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its threshold is altered by inhibitory fibres from the brainstem

1.	Which of the following is NOT true regarding the voiding reflex?
A.	it involves parasympathetic fibres
B.	it remains intact in the period of spinal shock following transaction of the spinalcord
C.	it occurs when the bladder volume reaches 300-400mls
D.	it is integrated in the sacral segments of the spinal cord
E.	its threshold is altered by inhibitory fibres from the brainstem
Answer» C. it occurs when the bladder volume reaches 300-400mls

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