ANA-C Pelvis and Perineum

Which muscle is the major muscle in the anal triangle?

Which nerve provides innervation to structures in the pelvis and perineum?

Which artery is considered the major artery of the pelvis and perineum?

Which nerve originates from the coccygeal plexus?

Which arteries supply the lower posterior abdominal wall and the gluteal region?

Which region does the external anal sphincter muscle primarily surround?

Which muscle is found in the deep perineal pouch for both genders?

Which structure divides the perineum into two triangles?

Which system is NOT part of the pelvic contents mentioned in the text?

Which muscle is NOT found in the deep perineal pouch?

Which structure is NOT located within the urogenital triangle of the perineum?

What divides the perineum into an anterior urogenital triangle and a posterior anal triangle?

Which vessels do veins from most pelvic viscera drain into?

Where do lymphatics from the external genitalia drain into?

Which arteries are associated with the nodes where lymph from the pelvic viscera initially drains into?

What muscle supports the pelvic organs in both men and women?

Where do lateral aortic or lumbar nodes eventually drain into?

Which nerve is most likely to be injured in a penetrating injury to the perineal region causing numbness in the penis and difficulty urinating?

The sacrospinous ligament functions to support the pelvic organs in both men and women.

The sacrotuberous ligament is located anteriorly to the sacrospinous ligament.

The pelvic diaphragm muscles primarily consist of the obturator internus and piriformis muscles.

The sacral promontory is part of the pelvic inlet also known as the pelvic major aperture.

The obturator internus muscle is not considered a part of the lateral pelvic wall muscles.