Perineum Anatomy Quiz

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Questions and Answers

What is the shape of the perineum?

  • Diamond (correct)
  • Circular
  • Square
  • Triangular

Which structure serves as the anterior boundary of the perineum?

  • Ischial tuberosities
  • Coccyx
  • Pubic arches
  • Symphysis pubis (correct)

What divides the perineum into the urogenital and anal triangles?

  • Ischial tuberosities
  • Pelvic diaphragm
  • Sacroiliac joint
  • Imaginary transverse line (correct)

What is the posterior boundary of the urogenital triangle?

<p>Imaginary transverse line (B)</p> Signup and view all the answers

Which of the following structures forms the roof of the deep perineal pouch?

<p>Pelvic fascia (B)</p> Signup and view all the answers

What separates the deep and superficial perineal pouches?

<p>Perineal membrane (C)</p> Signup and view all the answers

Which of the following describes the location of the perineal body?

<p>One inch in front of the anal orifice (D)</p> Signup and view all the answers

What is the anterior boundary of the superficial perineal pouch?

<p>Symphysis pubis (A)</p> Signup and view all the answers

Which muscles surround the female urethra in the deep perineal pouch?

<p>External urethral sphincter (A), Deep transverse perinii muscles (D)</p> Signup and view all the answers

What structure is located within the male deep perineal pouch?

<p>Bulbourethral glands (C)</p> Signup and view all the answers

Which of the following nerves is NOT found in the female deep perineal pouch?

<p>Dorsal nerve of penis (A)</p> Signup and view all the answers

In males, what is the function of the bulbospongiosus muscle?

<p>Contributes to erection and ejaculation (D)</p> Signup and view all the answers

Which artery primarily supplies blood to the structures in the deep perineal pouch?

<p>Internal pudendal artery (B)</p> Signup and view all the answers

Which component is part of the male superficial perineal pouch?

<p>Root of the penis (D)</p> Signup and view all the answers

What is the primary function of the external urethral sphincter in both males and females?

<p>Control urine flow (A)</p> Signup and view all the answers

What anatomical structure is NOT typically found in the female deep perineal pouch?

<p>Bulb of the penis (A)</p> Signup and view all the answers

Which of the following is NOT a content of the superficial perineal pouch in females?

<p>Ovarian blood vessels (B)</p> Signup and view all the answers

What is the primary function of the perineal body?

<p>Provide attachment for perineal muscles (D)</p> Signup and view all the answers

What is the consequence of a rupture in the penile urethra?

<p>Urine extravasates into the superficial perineal pouch (D)</p> Signup and view all the answers

Which artery is primarily associated with the blood supply to the superficial perineal pouch in females?

<p>Internal pudendal artery (D)</p> Signup and view all the answers

Which muscle is NOT typically found in the superficial perineal pouch of females?

<p>Pelvic diaphragm muscle (C)</p> Signup and view all the answers

What condition involves an incision made between the vagina and anus for childbirth?

<p>Perineotomy (A)</p> Signup and view all the answers

What role does the greater vestibular gland play in female anatomy?

<p>Lubrication during intercourse (A)</p> Signup and view all the answers

What is the main supply of the superior vesical artery?

<p>Upper part of the urinary bladder (B)</p> Signup and view all the answers

What anatomical structure is described as a fibro-muscular and central point of the perineum?

<p>Perineal body (C)</p> Signup and view all the answers

Which artery leaves the pelvis through the obturator canal?

<p>Obturator artery (D)</p> Signup and view all the answers

What does the inferior vesical artery supply in males?

<p>Base of the bladder and prostate (D)</p> Signup and view all the answers

Which artery is the principal artery of the perineum?

<p>Internal pudendal artery (D)</p> Signup and view all the answers

What does the uterine artery do in relation to the ureter?

<p>Crosses it superiorly (D)</p> Signup and view all the answers

Which is the largest branch of the anterior division of the internal iliac artery?

<p>Inferior gluteal artery (B)</p> Signup and view all the answers

Which artery corresponds to the inferior vesical artery in females?

<p>Vaginal artery (B)</p> Signup and view all the answers

What does the iliolumbar artery divide into?

<p>Lumbar and iliac branches (D)</p> Signup and view all the answers

What is the origin of the internal pudendal artery?

<p>Anterior division of the internal iliac artery (A)</p> Signup and view all the answers

Which structure does the inferior rectal artery primarily supply?

<p>External anal sphincter and perianal skin (D)</p> Signup and view all the answers

What course does the pudendal nerve take as it exits the pelvis?

<p>Below the piriformis muscle (D)</p> Signup and view all the answers

In which location does the internal pudendal artery enter the perineum?

<p>Through the lesser sciatic foramen (A)</p> Signup and view all the answers

What is one of the terminal branches of the pudendal nerve?

<p>Small dorsal nerve of the penis or clitoris (D)</p> Signup and view all the answers

What is the primary function of the artery to the bulb and urethra?

<p>Supply erectile tissue and urethra (B)</p> Signup and view all the answers

What role does the pudendal nerve block serve in medical procedures?

<p>To relieve pain during pelvic surgery (C)</p> Signup and view all the answers

Which artery is responsible for supplying the erectile tissue in both males and females?

<p>Deep artery of the penis or clitoris (A)</p> Signup and view all the answers

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