Human Anatomy: Large Intestine Structure and Function

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What is the approximate diameter of the large intestine?

1.5 inches

3.5 inches

2.5 inches (correct)

4.5 inches

What separates the small intestine from the large intestine?

Ileocecal valve (correct)

Anal sphincter

Taenia coli

Appendix

Where is the gall bladder located?

In the stomach

Immediately under the diaphragm (correct)

In the pancreas

In the curve of the duodenum

What are the three longitudinal bands of muscle tissue found on the outer surface of the large intestine?

Taenia coli Signup and view all the answers

How much bile can the liver hold?

30-50 ml Signup and view all the answers

What is the function of the large intestine in terms of water absorption?

Absorbs water as needed by the body Signup and view all the answers

What is the main function of the pancreas?

Producing digestive enzymes Signup and view all the answers

What is the name of the blind-ended sac that extends from the point of attachment to the small intestine?

Cecum Signup and view all the answers

What type of muscle makes up the external anal sphincter?

Skeletal muscle Signup and view all the answers

What is the function of the falciform ligament?

Separating the two lobes of the liver Signup and view all the answers

How much bile is produced daily?

0.6-1.2 L Signup and view all the answers

What is the function of the hepatic artery?

Supplying oxygenated blood to the liver Signup and view all the answers

What is the primary function of tight junctions between epithelial cells?

To prevent substances from moving between cells Signup and view all the answers

What is the approximate surface area of the intestinal epithelial cells?

0.33 m2 Signup and view all the answers

What is the primary mechanism of absorption for glucose and amino acids?

Active transport Signup and view all the answers

What is the term for the finger-like projections on the intestinal epithelial cells that increase the surface area for absorption?

Villi Signup and view all the answers

What is the term for the process by which large molecules are absorbed by the intestinal epithelial cells?

Pinocytosis Signup and view all the answers

What is the approximate percentage of bacteria in feces?

50% Signup and view all the answers

What is the most common digestive complaint of older people?

Constipation Signup and view all the answers

What can lead to dependency and upset body's fluid balance?

Frequent use of laxatives and enemas Signup and view all the answers

What can cause damage and infection of the esophagus, pharynx, or salivary glands?

Bulimia Signup and view all the answers

What can contribute to belching?

Carbonated drinks and chewing gum Signup and view all the answers

What can be a sign of a more serious disorder?

Belching Signup and view all the answers

What can lead to pernicious anemia?

Common Bile Duct Signup and view all the answers

What can trigger repeated spasms of the diaphragm?

Eating or drinking too fast Signup and view all the answers

What is the main danger associated with diarrhea?

Fluid loss Signup and view all the answers

How much gas is normally expelled per day?

500ml of gas/day Signup and view all the answers

What can cause constipation?

Inadequate water intake Signup and view all the answers

What is the term for the compulsion to swallow non-food items?

Pica Signup and view all the answers

What is heartburn often controlled by?

Increase in fiber Signup and view all the answers