A&P II Exam 3: Chapters 22-24 Questions with 100% Verified Correct Answers
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Course
A&P
Institution
A&P
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...
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
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
Incisors - Correct Answer Blade shaped - clipping or cutting - single root
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