G.I Tract Questions and Answers

Name some foods that are a good source of: a. Carbohydrates: b. Proteins: c: Lipids:

Which of the following is not true of schistosomiasis? Larvae called cercariae can invade intact skin Snail is the definitive host Worms can invade the brain Caused by salivary flukes

Write the two equations for lipids digestion:mst mol Physical breakdown: Enzymatic breakdown:

How does saliva help us taste our food

Excessive consumption of alcohol results in cirrhosis of the liver. Why do you think people begin drinking and get hooked on alcohol? Do you know someone with this disease, and have you tried helping someone who is an alcoholic? Were you successful? How?

Describe the normal digestion of lactose (including its subunits), and what is different about the digestive system of lactose intolerant individuals. Include how this difference results in the symptoms associated with lactose intolerance. Hint: You may want to review the carbohydrate section of Chapter 2 as well.

Absorption takes place in/at the intestinal crypts cytoplasm in the cells of the small intestine surface of the gastric mucosa gastric pits brush border of the small intestine

The small intestine uses segmentation to mix chyme with digestive enzymes, increase its contact with the mucosa, and propel it forward through the digestive tract. True False

Peyer's patches are isolated clusters of lymphoid tissue found: A. In the spleen B. In the walls of the distal small bowel C. In the axilla D. In the thymus E. In the liver

Thrush causes________patches in the mouth. green pink white yellow

Which statement is correct about tastes and their thresholds? Sweet tastes are high threshold because they are often high reward and not immediately harmful. Sour tastes are moderate in threshold because although not harmful in small amounts, they can be in large amounts. Bitter tastes are most associated with poisons and dangers, so they have the lowest threshold. All are correct.

Ray should consume 2,000 calories every day. He consumes 1,735 calories to get essential nutrients. What is Ray's discretionary calorie allowance? A. 115 calories B. 265 calories C. 1,735 calories D. 2,000 calories

IP3 leads to a receptor potential in gustatory receptors detecting sweet, bitter, and umami because the opening of what type of channels? mechanically-gated ligand-gated ionic voltage-gated

In the stomach, food is churned into a thick liquid or paste called lymph chyme mucosa epiglottis

The pancreas is necessary for digestion because it produces........... enzymes bile salts hydrochloric acid amino acids

might be due to gastroesophageal reflux. Esophageal stricture Bronchitis Esophagitis Gastritis

The salivary glands are the part of the Digestive system Cardiovascular system Nervous system Respiratory system

Which is an example of a retroperitoneal position? Heart Intestines Kidney Stomach

Most digestive enzymes catalyze __ reactions. exchange hydrolysis anabolic dehydration synthesis

How do anatomical and physiological changes impact digestive pathology presentation? What is the link between digestion and psychology? In this discussion we will explore both concepts, as interest in both managing digestive disorders and psychological presentations represent growing fields. Initial Post Read the introduction, conclusion, and one section regarding a condition that piques your interest in Intestinal epithelial barrier and neuromuscular compartment in health and disease. . • Focus on the general concepts, as opposed to understanding every word. After completing the reading, answer the following question for your initial post: "How does digestive physiology lead to a specific pathological presentation?" You may choose which digestive pathology you'd like to focus on. Use the assigned article, with appropriate APA citations, to support your position with at least 5-6 sentences to support your case.

Where does chemical digestion begin? Where in the digestive tract does most of the chemical digestion take place?

Describe chemical digestion. What is responsible for chemical digestion?

What is the function of the goblet cells? produce speech detect odors secrete mucus maintain acid-base balance

What flap of elastic cartilage keeps food and liquids from entering the larynx during swallowing? corniculate cartilage epiglottis thyroid cartilage arytenoid cartilage

Describe the cellular makeup and arrangement of a taste bud. (Use a diagram, if helpful.)

In the heart, the pericardium played a role in resisting excessive expansion of the heart, but the pleural membrane does not play this role for the lungs. What structure resists excessive expansion of the lungs?

Zymogens are inactive forms of _________ enzymes that are activated in the ______ stomach, small intestine liver, large intestine pancreatic, small intestine small intestine, large intestine gall bladder, pancreas

Which of the following about fat absorption is incorrect? Triglycerides must be broken down into glycerol and fatty acids Fats are absorbed as chylomicrons into the lymph Pancreatic lipase helps break down fats in the small intestine The presence of fat in the small intestine causes the release of CCK Secretin is released from the small intestine to break fat droplets into micelles