Anatomy of the Anterior Triangle
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Questions and Answers

Which nerve provides innervation and vascular support to the external female genitalia?

  • Pudendal nerve (correct)
  • Femoral nerve
  • Sciatic nerve
  • Obturator nerve
  • Which structure of the vulva acts as sensory tissue during sexual intercourse?

  • Hymen
  • Mons pubis
  • Labia minora
  • Clitoris (correct)
  • What is the function of the vulva in relation to micturition?

  • Directs the flow of urine (correct)
  • Filters urine
  • Stores urine
  • Produces urine
  • What is the purpose of the labia majora during pregnancy?

    <p>To provide bulk and support to the vulva</p> Signup and view all the answers

    Which layer of the anterior abdominal wall continues inferiorly onto the perineum as Colles fascia?

    <p>Scarpa's fascia</p> Signup and view all the answers

    Which layer of the anterior abdominal wall is predominantly fatty and provides substance to the mons pubis and labia majora?

    <p>Camper's fascia</p> Signup and view all the answers

    Which layer of the anterior abdominal wall is described as the primary fascia or aponeurosis?

    <p>Primary fascia</p> Signup and view all the answers

    Which layer of the anterior abdominal wall is described as the deepest layer that blends with the fat of the ischioanal fossa?

    <p>Subcutaneous layer</p> Signup and view all the answers

    Which layer of the anterior abdominal wall contains the rectus sheath?

    <p>Primary fascia</p> Signup and view all the answers

    Which blood vessels supply the anterior abdominal wall muscles and fascia?

    <p>Inferior deep epigastric vessels</p> Signup and view all the answers

    Which nerve innervates the skin of the mons pubis, upper labia majora, and medial upper thigh?

    <p>Ilioinguinal nerve</p> Signup and view all the answers

    Which incision during cesarean delivery may result in laceration of the inferior epigastric vessels?

    <p>Maylard incision</p> Signup and view all the answers

    Which nerve supplies the anterior section of the vulva?

    <p>Genital branch of the genitofemoral nerve</p> Signup and view all the answers

    Which gland measures 0.5 to 1 cm in diameter and lies inferior to the vestibular bulb?

    <p>Bartholin gland</p> Signup and view all the answers

    What is the composition of the hymen?

    <p>Elastic and collagenous connective tissue</p> Signup and view all the answers

    Which layer of the vagina provides protection and is lubricated by cervical mucus?

    <p>Stratified squamous epithelium</p> Signup and view all the answers

    What separates the upper fourth of the vagina from the rectum?

    <p>Cul-de-sac</p> Signup and view all the answers

    Which artery contributes to the blood supply of the posterior vaginal wall?

    <p>Middle rectal artery</p> Signup and view all the answers

    Which lymph nodes primarily drain lymphatics from the lower third of the vagina?

    <p>Inguinal lymph nodes</p> Signup and view all the answers

    What is the arterial supply to the vagina?

    <p>Uterine and vaginal arteries</p> Signup and view all the answers

    Which muscle forms the perineal body?

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

    What is the function of the external anal sphincter?

    <p>Keeps the anal canal closed at rest</p> Signup and view all the answers

    What is the composition of the cervix?

    <p>Collagen, elastin, proteoglycans, smooth muscle</p> Signup and view all the answers

    During pregnancy, which internal generative organ remains unchanged?

    <p>Uterus</p> Signup and view all the answers

    What is the function of the round ligament?

    <p>Anchors medially to the uterus and upper vagina</p> Signup and view all the answers

    Which lymph nodes drain the cervix?

    <p>Internal iliac nodes</p> Signup and view all the answers

    Where does the right ovarian vein empty into?

    <p>Vena cava</p> Signup and view all the answers

    Which structure is the male homologue of the female ovaries?

    <p>Testis</p> Signup and view all the answers

    Which part of the female reproductive tract has a stratified squamous epithelium lining?

    <p>Vagina</p> Signup and view all the answers

    Which nerves provide sympathetic innervation to the ovaries?

    <p>Ovarian plexus</p> Signup and view all the answers

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