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A&P II Exam 3: Chapters 22-24 Questions with 100% Verified Correct Answers £8.76   Add to cart

Exam (elaborations)

A&P II Exam 3: Chapters 22-24 Questions with 100% Verified Correct Answers

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A&P II Exam 3: Chapters 22-24 Questions with 100% Verified Correct Answers Describe the role of the digestive system - Correct Answer Extract nutrients from food to provide them to cells What are the accessory organs of digestive system - Correct Answer Liver, salivary glands, pancreas, gull-bl...

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  • September 24, 2024
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A&P II Exam 3: Chapters 22-24
Questions with 100% Verified Correct
Answers
Describe the role of the digestive system - Correct Answer Extract nutrients from food to provide
them to cells



What are the accessory organs of digestive system - Correct Answer Liver, salivary glands, pancreas,
gull-bladder



Innermost layer of digestive tract - Correct Answer Mucosa layer (mucosa, lamina propria, mscularis
mucosa)



Second innermost layer - Correct Answer Submucosa (glands, blood vessels, dense irregular
connective tissue)



Third innermost layer - Correct Answer Muscularis Externa (inner circular and outer longitudinal
layers)



Fourth innermost layer - Correct Answer Serosa (visceral peritoneum)



Which muscle is found in digestive organs - Correct Answer Smooth muscle



When muscles contract, they twist like a... - Correct Answer Corkscrew (non-linear arrangement of
dense bodies within the cell)



Multi-unit smooth muscle cells - Correct Answer Innervated in motor units, may be connected to
more than one motor neuron



Visceral smooth muscle cells - Correct Answer Lack direct contact with a motor neuron, connected by
gap junction and dense bodies - can be triggered by pacesetter cells



Multi-unit cell locations - Correct Answer Iris, male reproductive tract, walls of large arteries, erector
pili

, Visceral cell locations - Correct Answer Walls of GI tract, gull bladder, urinary bladder - many others



Due to ____, smooth muscle can adapt to various lengths and still contract - Correct Answer
Plasticity



Muscle contraction that propels food through the digestive tract - Correct Answer Peristalsis



Digestion is regulated by what factors - Correct Answer Local factor, hormonal, and neural control



Local factor example - Correct Answer Change in lumen pH, physical distortion, or present chemicals



Which cells in the epithelium produce peptides in the digestive tract - Correct Answer
Enteroendocrine cells



T or F? The root of the tongue is part of the posterior boundary of the oral cavity - Correct Answer
True



Ridges of oral mucosa (gums) - Correct Answer Gingivae



Space between oral cavity and oropharynx - Correct Answer Fauces



Lingual frenulum - Correct Answer Attaches tongue to base of oral cavity



Labial frenulum - Correct Answer Attaches gums to upper lip



Occlusal surface and enamel are parts of the - Correct Answer crown - projects into oral cavity



Enamel - Correct Answer Hardest biologically manufactured substances - calcium phosphate



Incisors - Correct Answer Blade shaped - clipping or cutting - single root

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