Pelvic Floor Anatomy And Nerves! Trivia Questions Quiz

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1. The anal wink is testing for which of the following nerves?

Explanation

Anal wink (ext anal sphincter contracts) – pudendal n o Squeezing the penis initiates a reflex arc causing the contraction

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Pelvic Floor Anatomy And Nerves! Trivia Questions Quiz - Quiz

Do you have the knowledge about the pelvic floor anatomy and nerves? The pelvic floor supports the bladder, bowel, and uterus. The quiz below is specifically designed to help you see just how much you got to understand. Give it a try and be sure to keep an eye out... see morefor the other quizzes like it. All the best! see less

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2. Which of the following nerves is a branch of the pudendal nerve and is ONLY SENSORY?

Explanation

Inferior rectal Nerve Motor ext anal sphincter Sensory skin around anus Perineal N. Motor - ALL superficial & deep space mm Sensory - lower 1/3 of the vagina; scrotum Dorsal Nerve of the Penis/Clitoris is only a Sensory branch of the pudendal The Genitofemoral N. is not a branch of the Pudendal N.

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3. Stoking the ipsilateral to see whether the cremaster muscle lifts the testicle is testing for which of the following nerves?

Explanation

Creamsteric reflex – genitofemoral n o Stroking the ipsilateral inner thigh w/ hand, results in elevation of testicle through contraction of the cremaster m

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4. Which of the following is not a nerve of the Sacral Plexus?

Explanation

o Superior gluteal (L4-S1) o Inferior gluteal (L5-S2) o Sciatic (L4-S3) o Posterior femoral cutaneous (S1-3) o Pudendal (S2-4)

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5. Which one of the following is not controlled by sympathetic innervation?

Explanation

Sympathetic Functions: ejaculation (males), secretions (sweat, UG diaphragm glands), contract int urethral & anal sphincters

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6. Parasympathetics to the pelvic cavity are given by which of the following?

Explanation

Parasympathetic: pelvic splanchnic (S2-4) o Travel to inferior hypogastric plexus & follow arteries to pelvic & genital organs (synapse in organ wall) o Functions: micturition (detrusor & internal sphincter mm), defecation & erection (vasodilation) o Also contain visceral afferents o Can be damaged by surgery inside pelvis (prostate, bladder, etc) or pelvic pathologies o Also parasympathetic to HG

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7. Which of the following is not a nerve of the Lumbar Plexus?

Explanation

o Iliohypogastric (L1) o Ilioinguinal (L1) o Genitofemoral (L1-2) o Lateral femoral cutaneous (L2-3) o Femoral (L2-4) o Obturator (L2-4) o Occasionally an accessory obturator

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8. While giving a Pudendal Nerve block, you will want to palpate the:

Explanation

Pudendal Nerve Block • Obstetric procedure to anesthetize perineum (woman can still bear down – just numbs lower portion of delivery) • Palpate ischial spine & sacrospinous lig

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The anal wink is testing for which of the following nerves?
Which of the following nerves is a branch of the pudendal nerve and is...
Stoking the ipsilateral to see whether the cremaster muscle lifts the...
Which of the following is not a nerve of the Sacral Plexus?
Which one of the following is not controlled by sympathetic...
Parasympathetics to the pelvic cavity are given by which of the...
Which of the following is not a nerve of the Lumbar Plexus?
While giving a Pudendal Nerve block, you will want to palpate the:
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