Podcast
Questions and Answers
Which muscle is responsible for 70-85% of fecal continence?
Which muscle is responsible for 70-85% of fecal continence?
- Puborectalis muscle
- Levator ani muscle
- External anal sphincter
- Internal anal sphincter (correct)
What is the primary function of the puborectalis muscle during defecation?
What is the primary function of the puborectalis muscle during defecation?
- It contracts to constrict the anal canal
- It relaxes to straighten the anorectal flexure (correct)
- It increases the resting tone of the internal anal sphincter
- It provides voluntary control of the external anal sphincter
Which ligament suspends and holds the ovary in place?
Which ligament suspends and holds the ovary in place?
- The infundibulopelvic (IP) ligament
- The suspensory ligament of the ovary (correct)
- The broad ligament of the uterus
- The round ligament of the uterus
Where do most ectopic pregnancies usually occur?
Where do most ectopic pregnancies usually occur?
What is the primary function of the external anal sphincter?
What is the primary function of the external anal sphincter?
What is the main innervation of the internal anal sphincter?
What is the main innervation of the internal anal sphincter?
What structure forms the terminal part of the large intestine?
What structure forms the terminal part of the large intestine?
Which muscle contributes to the anorectal flexure at rest?
Which muscle contributes to the anorectal flexure at rest?
What is the functional difference between the upper and lower parts of the anal canal?
What is the functional difference between the upper and lower parts of the anal canal?
Which statement about the internal anal sphincter is true?
Which statement about the internal anal sphincter is true?
What anatomical structure divides the upper and lower parts of the anal canal?
What anatomical structure divides the upper and lower parts of the anal canal?
Which condition is associated with abnormalities of the anal cushions?
Which condition is associated with abnormalities of the anal cushions?
What is the primary function of the internal anal sphincter at rest?
What is the primary function of the internal anal sphincter at rest?
What happens to the internal anal sphincter during defecation?
What happens to the internal anal sphincter during defecation?
What is the characteristic appearance of rectal bleeding in internal hemorrhoids?
What is the characteristic appearance of rectal bleeding in internal hemorrhoids?
Which statement about external hemorrhoids is correct?
Which statement about external hemorrhoids is correct?
Where do rectal varices typically occur?
Where do rectal varices typically occur?
Which condition is associated with a higher prevalence of rectal varices?
Which condition is associated with a higher prevalence of rectal varices?
