Innervation of Perineum and Genitalia Quiz

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Which branch of the pudendal artery supplies the glans of the clitoris or penis?

Inferior pudendal artery

Perineal artery

Inferior rectal artery

Internal pudendal artery (correct)

Which vein drains blood from the corpora cavernosa and glans of the clitoris or penis?

Deep dorsal (cavernous) clitoral/penile vein (correct)

Internal pudendal vein

Inferior rectal vein

Prostatic (uterovaginal) venous plexus

Which branch of the pudendal nerve supplies sensory innervation to the skin and glans of the clitoris or penis?

Posterior labial/scrotal nerve

Inferior rectal nerve

Dorsal nerve of the clitoris or penis (correct)

Perineal nerve

Which branch of the pudendal nerve supplies motor innervation to the ischiocavernosus and bulbospongiosus muscles?

Perineal nerve Signup and view all the answers

Which vein drains the perineum and then joins the prostatic (uterovaginal) venous plexus?

Internal pudendal vein Signup and view all the answers

Which of the following nerves is responsible for the innervation of the external anal sphincter?

Pudendal nerve Signup and view all the answers

The pudendal artery supplies blood to which of the following structures?

All of the above Signup and view all the answers

What is the primary function of the pudendal veins?

Drainage of the corpora cavernosa Signup and view all the answers

Which nerve is responsible for the innervation of the cavernous bodies of the clitoris or penis?

Cavernous nerve Signup and view all the answers

Which nerve is responsible for the innervation of the anterior perineum?

Ilio-inguinal nerve Signup and view all the answers

Which of the following nerves does NOT provide sensory innervation to the labia majora and scrotum?

Femoral nerve Signup and view all the answers

Which of the following nerves is responsible for the anocutaneous (anal 'wink') reflex?

Inferior rectal nerve (branch of the pudendal nerve) Signup and view all the answers

Which of the following statements about the vasculature of the perineum is NOT true?

The pudendal artery is the primary arterial supply to the clitoris or penis. Signup and view all the answers

Which of the following nerves innervates the ischiocavernosus and bulbospongiosus muscles?

Perineal nerve (branch of the pudendal nerve) Signup and view all the answers

Which of the following statements about the dermatomes of the perineum is true?

The dermatomes of the perineum are primarily provided by S3-S5 nerves (mostly from the pudendal nerve). Signup and view all the answers

Which nerve supplies the inferior rectal nerve branch in the anal triangle?

Pudendal nerve Signup and view all the answers

What blood vessels are branches of the internal pudendal vessels in the anal triangle?

Inferior rectal blood vessels Signup and view all the answers

In males, what structures form the root of the scrotum in the urogenital triangle of the perineum?

Bulb of penis Signup and view all the answers

Which fascia attaches to the pubic arch and ischiopubic ramus in the perineum?

Perineal membrane Signup and view all the answers

What innervates the external anal sphincter in the anal triangle?

Pudendal nerve Signup and view all the answers

Which vein drains the perineum and then joins the prostatic (uterovaginal) venous plexus?

Perineal vein Signup and view all the answers

Which branch of the pudendal artery supplies blood to the glans of the clitoris or penis?

Dorsal artery of the clitoris/penis Signup and view all the answers

Which nerve is responsible for the innervation of the cavernous bodies of the clitoris or penis?

Cavernous nerves Signup and view all the answers

Which branch of the pudendal nerve supplies sensory innervation to the skin and glans of the clitoris or penis?

Dorsal nerve of the clitoris/penis Signup and view all the answers

Which nerve is responsible for the innervation of the anterior perineum?

Pudendal nerve Signup and view all the answers

During physical examination, a herniated mass causing an 'impulse' on the examiner's finger is most likely indicative of which type of hernia?

Indirect inguinal hernia Signup and view all the answers

Which artery supplies the clitoris and ends as the posterior labial artery in females?

Posterior labial artery Signup and view all the answers

Which type of hernia may pass through the superficial ring but not the deep ring of the inguinal canal?

Direct inguinal hernia Signup and view all the answers

Which artery supplies the inferior rectum as a main branch of the internal pudendal artery?

Inferior rectal artery Signup and view all the answers

Which vessel drains blood from the corpora cavernosa and glans of the clitoris or penis?

Pudendal veins Signup and view all the answers

Which branch of the pudendal artery supplies the majority of the blood flow to the glans of the clitoris or penis?

The dorsal artery of the clitoris or penis Signup and view all the answers

Which vein is responsible for draining blood from the corpora cavernosa and glans of the clitoris or penis?

The dorsal vein of the clitoris or penis Signup and view all the answers

Which branch of the pudendal nerve is responsible for the sensory innervation of the skin and glans of the clitoris or penis?

The dorsal nerve of the clitoris or penis Signup and view all the answers

Which vein drains the perineum and then joins the prostatic (uterovaginal) venous plexus?

The internal pudendal vein Signup and view all the answers

Which branch of the pudendal nerve supplies motor innervation to the ischiocavernosus and bulbospongiosus muscles?

The perineal nerve Signup and view all the answers

Which artery supplies the majority of the blood flow to the skin and muscles of the anterior perineum?

The perineal artery Signup and view all the answers

Which branch of the pudendal nerve is responsible for the innervation of the external anal sphincter?

The inferior rectal nerve Signup and view all the answers

What is the primary function of the pudendal veins?

To drain the blood from the perineum and join the prostatic (uterovaginal) venous plexus Signup and view all the answers

Which branch of the pudendal artery supplies blood to the skin and muscles of the posterior perineum, including the external anal sphincter?

The inferior rectal artery Signup and view all the answers

Which nerve is responsible for the innervation of the cavernous bodies of the clitoris or penis?

The cavernous nerve Signup and view all the answers

What muscle in males covers the crus of the penis?

Ischiocavernosus Signup and view all the answers

Which muscle covers the bulb of the vaginal vestibule in females?

Bulbospongiosus Signup and view all the answers

In females, what does the perineal membrane separate?

Superficial and deep perineal pouches Signup and view all the answers

Which structure is sometimes referred to clinically as the 'perineum'?

Perineal body Signup and view all the answers

What does the superficial perineal pouch contain in males and females?

Roots and bulbs of clitoris/penis, glands, and perineal skin Signup and view all the answers

Which nerve is responsible for providing sensory innervation to the labia majora in the female perineum?

Pudendal nerve Signup and view all the answers

Which nerve is primarily responsible for the sensory innervation of the scrotum in the male perineum?

Genitofemoral nerve Signup and view all the answers

Which dermatome is responsible for the sensory innervation of the anterior perineum, including the labia majora and scrotum?

T12-L1 Signup and view all the answers

Which nerve block is commonly used for pain relief during childbirth, providing anesthesia to the perineal region?

Pudendal nerve block Signup and view all the answers

Which anatomical structure in the perineum forms the boundary between the urogenital triangle and the anal triangle?

Perineal body Signup and view all the answers

Which of the following nerves is responsible for the sensory innervation of the labia majora and scrotum?

Genitofemoral nerve Signup and view all the answers

Which dermatome corresponds to the perineal region?

S2-S4 Signup and view all the answers

Which nerve block would be most appropriate for providing local anesthesia during childbirth?

Pudendal nerve block Signup and view all the answers

Which of the following structures is part of the urogenital triangle of the perineum in males?

Root of the scrotum Signup and view all the answers

Which of the following statements about the perineal membrane is true?

It anchors the roots of the external genitalia Signup and view all the answers

Which nerve is primarily responsible for providing sensory innervation to the posterior aspect of the scrotum?

Pudendal nerve Signup and view all the answers

The dermatomes of the perineum are primarily innervated by which spinal nerves?

S3-S5 nerves Signup and view all the answers

Which nerve is responsible for the anocutaneous (anal 'wink') reflex?

Inferior rectal nerve Signup and view all the answers

Which nerve is responsible for the sensory innervation of the anterior aspect of the labia majora?

Ilio-inguinal nerve Signup and view all the answers

Which nerve is responsible for the motor innervation of the ischiocavernosus and bulbospongiosus muscles in the perineum?

Pudendal nerve Signup and view all the answers

What is the innervation of the labia majora and labia minora?

Vulvar branch of the pudendal nerve Signup and view all the answers

Which nerve provides sensory innervation to the scrotum in males?

Ilioinguinal nerve Signup and view all the answers

Which dermatome of the perineum is primarily responsible for sensation in the external genitalia?

S3 Signup and view all the answers

Local anesthesia for childbirth in the perineal region would most likely involve blocking which nerve?

Pudendal nerve Signup and view all the answers

Which structure lies superior to the perineal membrane and inferior to the pelvic diaphragm?

Deep perineal pouch Signup and view all the answers

Which nerve provides sensory innervation to the labia majora and scrotum?

Pudendal nerve Signup and view all the answers

Which dermatomes supply sensory innervation to the perineum?

S2-S4 Signup and view all the answers

Which nerve block would be most appropriate for providing local anesthesia during childbirth?

Spinal anesthesia Signup and view all the answers

Which artery supplies the majority of the blood flow to the glans of the clitoris or penis?

Deep (cavernous) artery of the clitoris/penis Signup and view all the answers

Which of the following structures is NOT a component of the perineal membrane?

Bulbospongiosus muscle Signup and view all the answers

Which of the following nerves provides sensory innervation to the posterior labia majora?

Posterior labial nerve Signup and view all the answers

Which nerve is responsible for the motor innervation of the bulbospongiosus muscle in males?

Perineal nerve Signup and view all the answers

Which dermatome primarily supplies sensory innervation to the scrotum?

S3 Signup and view all the answers

Which of the following techniques would be most appropriate for providing local anesthesia during childbirth?

Epidural anesthesia Signup and view all the answers

Which muscle in males is responsible for the erection of the penis?

Ischiocavernosus Signup and view all the answers

Innervation of Perineum and Genitalia Quiz

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Questions and Answers

Which branch of the pudendal artery supplies the glans of the clitoris or penis?

Which vein drains blood from the corpora cavernosa and glans of the clitoris or penis?

Which branch of the pudendal nerve supplies sensory innervation to the skin and glans of the clitoris or penis?

Which branch of the pudendal nerve supplies motor innervation to the ischiocavernosus and bulbospongiosus muscles?

Which vein drains the perineum and then joins the prostatic (uterovaginal) venous plexus?

Which of the following nerves is responsible for the innervation of the external anal sphincter?

The pudendal artery supplies blood to which of the following structures?

What is the primary function of the pudendal veins?

Which nerve is responsible for the innervation of the cavernous bodies of the clitoris or penis?

Which nerve is responsible for the innervation of the anterior perineum?

Which of the following nerves does NOT provide sensory innervation to the labia majora and scrotum?

Which of the following nerves is responsible for the anocutaneous (anal 'wink') reflex?

Which of the following statements about the vasculature of the perineum is NOT true?

Which of the following nerves innervates the ischiocavernosus and bulbospongiosus muscles?

Which of the following statements about the dermatomes of the perineum is true?

Which nerve supplies the inferior rectal nerve branch in the anal triangle?

What blood vessels are branches of the internal pudendal vessels in the anal triangle?

In males, what structures form the root of the scrotum in the urogenital triangle of the perineum?

Which fascia attaches to the pubic arch and ischiopubic ramus in the perineum?

What innervates the external anal sphincter in the anal triangle?

Which vein drains the perineum and then joins the prostatic (uterovaginal) venous plexus?

Which branch of the pudendal artery supplies blood to the glans of the clitoris or penis?

Which nerve is responsible for the innervation of the cavernous bodies of the clitoris or penis?

Which branch of the pudendal nerve supplies sensory innervation to the skin and glans of the clitoris or penis?

Which nerve is responsible for the innervation of the anterior perineum?

During physical examination, a herniated mass causing an 'impulse' on the examiner's finger is most likely indicative of which type of hernia?

Which artery supplies the clitoris and ends as the posterior labial artery in females?

Which type of hernia may pass through the superficial ring but not the deep ring of the inguinal canal?

Which artery supplies the inferior rectum as a main branch of the internal pudendal artery?

Which vessel drains blood from the corpora cavernosa and glans of the clitoris or penis?

Which branch of the pudendal artery supplies the majority of the blood flow to the glans of the clitoris or penis?

Which vein is responsible for draining blood from the corpora cavernosa and glans of the clitoris or penis?

Which branch of the pudendal nerve is responsible for the sensory innervation of the skin and glans of the clitoris or penis?

Which vein drains the perineum and then joins the prostatic (uterovaginal) venous plexus?

Which branch of the pudendal nerve supplies motor innervation to the ischiocavernosus and bulbospongiosus muscles?

Which artery supplies the majority of the blood flow to the skin and muscles of the anterior perineum?

Which branch of the pudendal nerve is responsible for the innervation of the external anal sphincter?

What is the primary function of the pudendal veins?

Which branch of the pudendal artery supplies blood to the skin and muscles of the posterior perineum, including the external anal sphincter?

Which nerve is responsible for the innervation of the cavernous bodies of the clitoris or penis?

What muscle in males covers the crus of the penis?

Which muscle covers the bulb of the vaginal vestibule in females?

In females, what does the perineal membrane separate?

Which structure is sometimes referred to clinically as the 'perineum'?

What does the superficial perineal pouch contain in males and females?

Which nerve is responsible for providing sensory innervation to the labia majora in the female perineum?

Which nerve is primarily responsible for the sensory innervation of the scrotum in the male perineum?

Which dermatome is responsible for the sensory innervation of the anterior perineum, including the labia majora and scrotum?

Which nerve block is commonly used for pain relief during childbirth, providing anesthesia to the perineal region?

Which anatomical structure in the perineum forms the boundary between the urogenital triangle and the anal triangle?

Which of the following nerves is responsible for the sensory innervation of the labia majora and scrotum?

Which dermatome corresponds to the perineal region?

Which nerve block would be most appropriate for providing local anesthesia during childbirth?

Which of the following structures is part of the urogenital triangle of the perineum in males?

Which of the following statements about the perineal membrane is true?

Which nerve is primarily responsible for providing sensory innervation to the posterior aspect of the scrotum?

The dermatomes of the perineum are primarily innervated by which spinal nerves?

Which nerve is responsible for the anocutaneous (anal 'wink') reflex?

Which nerve is responsible for the sensory innervation of the anterior aspect of the labia majora?

Which nerve is responsible for the motor innervation of the ischiocavernosus and bulbospongiosus muscles in the perineum?

What is the innervation of the labia majora and labia minora?

Which nerve provides sensory innervation to the scrotum in males?

Which dermatome of the perineum is primarily responsible for sensation in the external genitalia?

Local anesthesia for childbirth in the perineal region would most likely involve blocking which nerve?

Which structure lies superior to the perineal membrane and inferior to the pelvic diaphragm?

Which nerve provides sensory innervation to the labia majora and scrotum?

Which dermatomes supply sensory innervation to the perineum?

Which nerve block would be most appropriate for providing local anesthesia during childbirth?

Which artery supplies the majority of the blood flow to the glans of the clitoris or penis?

Which of the following structures is NOT a component of the perineal membrane?

Which of the following nerves provides sensory innervation to the posterior labia majora?

Which nerve is responsible for the motor innervation of the bulbospongiosus muscle in males?

Which dermatome primarily supplies sensory innervation to the scrotum?

Which of the following techniques would be most appropriate for providing local anesthesia during childbirth?

Which muscle in males is responsible for the erection of the penis?

Which of the following structures is located within the superficial perineal pouch in females?

Which nerve is responsible for the innervation of the external anal sphincter?