Podcast
Questions and Answers
Which part of the large intestine does not have folds or villi?
Which part of the large intestine does not have folds or villi?
- Terminal ileum
- Sigmoid colon
- Descending colon
- Rectum (correct)
Which artery supplies the proximal ascending colon?
Which artery supplies the proximal ascending colon?
- Middle colic artery
- Right colic artery (correct)
- Ileocolic artery
- Left colic artery
Which part of the large intestine is innervated by sympathetic nerves from T6-T12 and L1-L3?
Which part of the large intestine is innervated by sympathetic nerves from T6-T12 and L1-L3?
- Transverse colon (correct)
- Sigmoid branches
- Descending colon
- Left colic artery
Which part of the large intestine has many deep crypts and intestinal glands in its mucosa?
Which part of the large intestine has many deep crypts and intestinal glands in its mucosa?
Which part of the large intestine has appendices epiploicae within the serosa?
Which part of the large intestine has appendices epiploicae within the serosa?
Which part of the large intestine lacks absorbent villi but has simple columnar epithelium with many goblet cells?
Which part of the large intestine lacks absorbent villi but has simple columnar epithelium with many goblet cells?
Which of the following is a major anatomical component of the large intestine?
Which of the following is a major anatomical component of the large intestine?
What is the function of mucin in the large intestine?
What is the function of mucin in the large intestine?
What is the role of the sympathetic and parasympathetic nerves in the large intestine?
What is the role of the sympathetic and parasympathetic nerves in the large intestine?
What is the main function of the large intestine in producing SCFA, Vitamin K, and Biotin?
What is the main function of the large intestine in producing SCFA, Vitamin K, and Biotin?
Which reflex aids in moving material from the stomach into the large intestine?
Which reflex aids in moving material from the stomach into the large intestine?
What is the main clinical feature of Irritable Bowel Syndrome (IBS)?
What is the main clinical feature of Irritable Bowel Syndrome (IBS)?
What is the primary driver for water absorption in the large intestine?
What is the primary driver for water absorption in the large intestine?
Which type of movement in the large intestine involves simultaneous contraction of smooth muscle over large areas?
Which type of movement in the large intestine involves simultaneous contraction of smooth muscle over large areas?
In which congenital disorder are ganglions absent in myenteric and submucosal plexuses in the distal colon?
In which congenital disorder are ganglions absent in myenteric and submucosal plexuses in the distal colon?
Which reflex allows for the passage of chyme from the small intestine to the large intestine?
Which reflex allows for the passage of chyme from the small intestine to the large intestine?
What is the function of mucin proteins secreted by the large intestine?
What is the function of mucin proteins secreted by the large intestine?
How does the Gastrocolic reflex in the large intestine respond to the presence of food in the stomach?
How does the Gastrocolic reflex in the large intestine respond to the presence of food in the stomach?
What part of the large intestine is most prone to perforation?
What part of the large intestine is most prone to perforation?
Which ligaments provide support to the lower portion of the rectum?
Which ligaments provide support to the lower portion of the rectum?
What anatomical structure separates the rectum from the prostate and seminal vesicles or vagina?
What anatomical structure separates the rectum from the prostate and seminal vesicles or vagina?
If the fascia anterior to the rectum is defective, what condition can develop?
If the fascia anterior to the rectum is defective, what condition can develop?
Which nerves innervate the rectum?
Which nerves innervate the rectum?
What kind of muscle makes up the external anal sphincter?
What kind of muscle makes up the external anal sphincter?
What initiates a reflex contraction of the rectal muscles during defecation?
What initiates a reflex contraction of the rectal muscles during defecation?
Which mechanism is responsible for the electroneutral absorption of NaCl in the intestines?
Which mechanism is responsible for the electroneutral absorption of NaCl in the intestines?
What causes the relaxation of the internal anal sphincter during defecation?
What causes the relaxation of the internal anal sphincter during defecation?
What is the role of the external anal sphincter during defecation?
What is the role of the external anal sphincter during defecation?
Which nerve is responsible for the innervation of the external anal sphincter during defecation?
Which nerve is responsible for the innervation of the external anal sphincter during defecation?
How is fecal continence maintained in the body?
How is fecal continence maintained in the body?
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