BIOLOGY W/CONNECT >IP<
11th Edition
ISBN: 9781259910487
Author: Raven
Publisher: MCG CUSTOM
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Textbook Question
Chapter 28, Problem 5A
Ulcers and tooth decay do not appear related, but in fact both
a. are due to eating particular kinds of foods.
b. are caused by viral infection.
c. are caused by environmental factors.
d. can be due to bacterial infection.
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Peristalsis in the digestive system is caused by the _____.
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contraction of smooth muscle layers
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closing of the epiglottis
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stretching of the salivary glands
Which of these causes ulcers?
A. Bacterial infection in the stomach
B. Aspirin and other anti-inflammatory medicines
C. Chronic stress
D. A and B
The primary function of the large intestine is to concentrate wastes into solid form (feces) for release from the body. How does it accomplish this?
a. By adding additional cells from the mucosal layer
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d. All of these are methods used by the large intestine.
Chapter 28 Solutions
BIOLOGY W/CONNECT >IP<
Ch. 28 - Prob. 1UCh. 28 - A cell that can use energy from the sun, and CO2...Ch. 28 - Gram-positive (+) and gram-negative () bacteria...Ch. 28 - Which of the following characteristics is unique...Ch. 28 - The horizontal transfer of DNA using a plasmid is...Ch. 28 - The disease tuberculosis is a. caused by a...Ch. 28 - Prokaryotes participate in the global cycling of...Ch. 28 - Which of the following is typically NOT associated...Ch. 28 - The mechanisms of DNA exchange in prokaryotes...Ch. 28 - The cell wall in both gram-positive and...
Ch. 28 - The three domains of life a. represent variations...Ch. 28 - Ulcers and tooth decay do not appear related, but...Ch. 28 - Bacteria lack independent internal membrane...Ch. 28 - Plants cannot fix nitrogen, yet some plants do NOT...Ch. 28 - If a new form of carbon fixation was discovered...Ch. 28 - Prob. 2SCh. 28 - Use of multiple antibiotics is not a bad idea if...Ch. 28 - Soil-based nitrogen-fixing bacteria appear to be...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Prior to 1982 what was thought to cause stomach ulcers? A: excessive stomach acid B: viral infection C: Bacteria. D: Being overweight.arrow_forwardHypothetically speaking, what would this graph suggest about the cause of ulcers? Assume Con is a placebo and Exptl is an antibiotic treatment. a) The excess acid theory is correct b) Antibiotics reduce acid production c) Bacteria likely cause ulcers d) Antibiotics do not impact ulcersarrow_forwardwhy are surgical incisions usually not measured but ulcer wounds are?arrow_forward
- Surgical removal of the pancreas would a) increase the acidity of the small intestine. b) prevent the production of chyme in the stomach. c) eliminate the ability to store bile in the gallbladder. d)block the secretion of bile. e) All of these changes would be a result of pancreas removal.arrow_forwardWhat structures in the oral cavity contribute to the process of digestion? A. Teeth, salivary glands, and tonsils B. Teeth and tongue only C. Tongue, nasal cavity connection, and teeth D. Teeth, tongue, and salivary glandsarrow_forwardWhere does the pancreas dump digestive enzymes and buffers into the GI tract? A. it does not dump substances into the GI tract, it dumps substances into blood only B. in the duodenum just after food leaves the stomach C. just before food enters the stomach D. where the small intestine enters the large intestinearrow_forward
- The main function of the mucus in the stomach is to _____. a. trap and kill ingested microorganisms b. enzymatically degrade complex nutrients c. protect epithelial cells from the acidified environment d. protect the microbiota from corrosive gastric juices e. delay the digestive process to maximize absorption.arrow_forwardIn regard to partial anodontia, the most commonly missing teeth are third molars. Permanent maxillary incisors are the next most common missing teeth. A.First statment is true, second statement is false B,First statement is false, second statement is true C,Both statements are true D,Both statements are falsearrow_forward
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