Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 24, Problem 16RQ
Digestion of proteins begins in the ________ where ________ and ________ mix with food to break down protein into ________.
- stomach; amylase; HCl; amino acids
- mouth; pepsin; HCl; fatty acids
- stomach; lipase; HCl; amino acids
- stomach; pepsin; HCl; amino acids
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Which of the following descriptions is incorrectly matched to the type of digestion occuring?
Acidic pH of gastric juice helping break down proteins and activate enzymes - mechanical digestion
Salivary amylase breaking down starch - chemical digestion
Peristalsis of the small intestine mixing up chyme - mechanical digestion
bile salts helping to emulsify fats and raise the pH - chemical digestion
chewing and mixing of food in the mouth - mechanical digestion
Proteins after digestion are converted into:
I. Carbohydrates
II. Small globules
III. Amino acids
IV. Starch
Which of the following statements regarding digestive systems are correct?
Glucose monomers are linked together by alpha 1-4 glycosidic bonds in both starch and cellulose.
Gastrin is produced by exocrine cells of the gastric glands.
Pepsinogen and gastric acid (HCl) are both secreted into the lumen of the stomach.
Chapter 24 Solutions
Anatomy & Physiology
Ch. 24 - A monosaccharide is formed from a polysaccharide...Ch. 24 - If anabolic reactions exceed catabolic reactions,...Ch. 24 - When NAD becomes NADH, the coenzyme has been...Ch. 24 - Anabolic reactions use energy by ________. turning...Ch. 24 - Glycolysis results in the production of two...Ch. 24 - The Krebs cycle converts ________ through a cycle...Ch. 24 - Which pathway produces the most ATP molecules?...Ch. 24 - Aerobic cellular respiration results in the...Ch. 24 - When NAD+ becomes NADH, the coenzyme has been...Ch. 24 - Lipids in the diet can be ________. broken down...
Ch. 24 - The gallbladder provides ________ that aid(s) in...Ch. 24 - Triglycerides are transported by chylomicrons...Ch. 24 - Which molecule produces the most ATP?...Ch. 24 - Which molecules can enter the Krebs cycle?...Ch. 24 - Acetyl CoA can be converted to all of the...Ch. 24 - Digestion of proteins begins in the ________ where...Ch. 24 - Amino acids are needed to ________. build new...Ch. 24 - If an amino acid is not used to create new...Ch. 24 - During the absorptive state, glucose levels are...Ch. 24 - Staivation sets in after 3 to 4 days without food....Ch. 24 - The postabsorptive state relies on stores of...Ch. 24 - The bodys temperature is controlled by the...Ch. 24 - Fever increases the body temperature and can...Ch. 24 - The heat you feel on your chair when you stand up...Ch. 24 - A crowded room warms up through the mechanism of...Ch. 24 - A deficiency in vitamin A can result in ________....Ch. 24 - Rickets results in improper bone development in...Ch. 24 - Consuming which type of food will help the most...Ch. 24 - Which of the following is stored in the body?...Ch. 24 - Describe how metabolism can be altered.Ch. 24 - Describe how Addisons disease can be treated.Ch. 24 - Explain how glucose is metabolized to yield ATP.Ch. 24 - Insulin is released when food is ingested and...Ch. 24 - Discuss how carbohydrates can be stored as fat.Ch. 24 - If a diabetics breath smeLls like alcohol, what...Ch. 24 - Amino acids are not stored in the body. Describe...Ch. 24 - Release of trypsin and chymotrypsin in their...Ch. 24 - In type II diabetes, insulin is produced but is...Ch. 24 - Ketone bodies are used as an alternative source of...Ch. 24 - How does vasoconstriction help increase the core...Ch. 24 - How can the ingestion of food increase the body...Ch. 24 - Weight loss and weight gain are complex processes....Ch. 24 - Some low-fat or non-fat foods contain a large...
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Similar questions
- Figure 34.19 Which of the following statements about digestive processes is true? Amylase, maltaseT and lactase in the mouth digest carbohydrates. Trypsin and lipase in the stomach digest protein. Bile emulsifies lipids in the small intestine. No food is absorbed until the small intestine.arrow_forwardFigure 16.7 Which of the following statements about the digestive system is false? a. Chyme is a mixture of food and digestive juices that is produced in the stomach. b. Food enters the large intestine before the small intestine. c. In the small intestine, chyme mixes with bile, which emulsifies fats. d. The stomach is separated from the small intestine by the pyloric sphincter.arrow_forwardFigure 34.11 Which of the following statements about the digestive system is false? Chyme is a mixture of food and digestive juices that is produced in the stomach. Food enters the large intestine before the small intestine. In the small intestine, chyme mixes with bile, which emulsifies fats. The stomach is separated from the small intestine by the pylloric sphincter.arrow_forward
- Digestion is completed and products are absorbed in the _________. a. mouth b. stomach c. small intestine d. large intestinearrow_forwardWhich of the following statements is TRUE? Hydrochloric acid makes an acidic environment in the stomach that promotes promotes polysaccharide digestion. Lipase, produced by the pancreas, digests the emulsified fats into fatty acids. Bile, synthesized by the liver and stored in the gall bladder, digests fats which will then be absorbed in the small intestine The acidic environment converts the inactive pepsin into its active form: pepsinogen. Pepsinogen digests proteins in the stomach.arrow_forwardThe ingestion of a meal high in fat would cause which of the following to occur? bile would be released to emulsify the fat severe indigestion caused by lack of sufficient digestive enzymes the acidic secretions of the stomach would be sufficient to completely digest the foodarrow_forward
- Which of the following digestive enzymes is incorrectly matched with it's substrate and product? pancreatic amylase: starch --> maltose pepsin: protein --> amino acids lipase: fats --> glycerol and fatty acids peptidase: short polypeptides --> amino acids salivary amylase: starch --> maltosearrow_forwardWhere in the digestive system would you expect fats (e.g. lipids) to be digested? stomach large intestine small intestine liver pancreasarrow_forwardBy watching this animation(http://openstaxcollege.org/l/foodgroups) , you will seethat for the various food groups—proteins, fats, andcarbohydrates—digestion begins in different parts of thedigestion system, though all end in the same place. Of thethree major food classes (carbohydrates, fats, and proteins),which is digested in the mouth, the stomach, and the smallintestine?arrow_forward
- fat molecules that have been absorbed from the digestive tract first enter the blood at: at capillaries lining the stomach wall at capillaries surrounding lacteals in the intestinal villi at capillaries near the basal membrane of the intestinal mucosa at the right and left subclavian veinsarrow_forwardAmmonium ions (NH4+) are always produced during intracellular digestion of which food molecule? carbohydrate fatty acid glycerol amino acid polysaccharidearrow_forwardThe type of digestion that breaks down food by chemical reaction is calledarrow_forward
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