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Exam 1: BIOS 256 / BIOS256 (2024/ 2025 Update) Anatomy and Physiology IV Review with Questions and Verified Answers| 100% Correct| Grade A -Chamberlain$10.99
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Exam 1: BIOS 256 / BIOS256 (2024/ 2025 Update) Anatomy and Physiology IV Review with Questions and Verified Answers| 100% Correct| Grade A -Chamberlain
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Course
BIOS 256/ BIOS256
Institution
BIOS 256/ BIOS256
Exam 1: BIOS 256 / BIOS256 (2024/ 2025 Update) Anatomy and Physiology IV Review with Questions and Verified Answers| 100% Correct| Grade A -Chamberlain
Q: List and describe all the secretions of the pancreas
Answer:
endocrine: production of glucagon and insulin to moderate blood glucose lev...
Exam 1: BIOS 25 6 / BIOS25 6 (2024/ 2025 Update) Anatomy and Physiology I V Review with Questions and Verified Answers| 100% Correct| Grade A -Chamberlain Q: List and describe all the secretions of the pancreas Answer: endocrine: production of glucagon and insulin to moderate blood glucose levels; Pancreatic islets exocrine: production of pancreatic juice to aid in the digestion of food in the small intestine Q: Role of Oral cavity Answer: ingestion of food, taste (gustation), chemical digestion, speech, and respiration Q: Role of Small intestine Answer: -primary site of absorption of nutrients Q: Role of Stomach Answer: -Mixing saliva, food, and gastric juice to form chyme -reservoir for food before release into the small intestine. -gastric juices secretion: hydrochloric acid, pepsin, intrinsic factor, and gastric lipase. -hormones secretion: gastrin, ghrelin, and somatostatin into the blood Q: Role of Large intestine Answer: -drive contents of the colon into the rectum -Absorption of some water, ions, and vitamins -Formation of feces -Defecation Q: Role of Liver Answer: -Secretes bile that digesting fat and some vitamins Q: Describe the chemical composition/structure of bile salts and their func - tions Answer: -steroids synthesized from cholesterol -aid in fat digestion and absorption Q: Describe the defection reflex and the sphincters involved Answer: -triggered by the activation of stretch receptors in the rectum -internal: involuntary control and opens in response to the defecation reflex -external: voluntary control; remains closed due to inhibitory signals from the brain - stem; puborectalis muscles must be relaxed Q: Amylase, Lipase, Peptidase, Maltase, Nuclease function Answer: Amylase: enzyme that begins starch digestion Lipase: fat -digesting enzymes Peptidase: enzymes that digest proteins Maltase: changes maltose to glucose Nuclease: breaks down DNA and RNA to nucleotides Q: Describe the role of goblet cells Answer: secrete mucus; protects the stomach lining from stomach acid Q: Identify and describe the bacteria that can cause ulcers Answer: Helicobacter pylori: acid-resistant bacteria Q: List and describe all the functions of the stomach acid Answer: -break down, digest, and absorb nutrients -eliminates bacteria and viruses in the stomach Q: List and describe the substances and enzymes created by salivary glands - Answer: Parotid: mostly water with salivary amylase Submandibular: watery but with enzyme(amylases) and a little mucus Sublingual: thick viscous mucus -protection Q: Identify whether chemical or mechanical digestion or both occur in the following parts of the GI tract Answer: Small intestine: chemical Pancreas: chemical Esophagus: mechanical Stomach: both
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