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BIO 354 Human Anatomy (Exam 6 - Digestive, Urinary, Endocrine, and Reproductive Systems) 190 questions and solutions

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BIO 354 Human Anatomy (Exam 6 - Digestive, Urinary, Endocrine, and Reproductive Systems) 190 questions and solutions

Institution
BIO 354
Course
BIO 354

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BIO 354 Human Anatomy
(Exam 6 - Digestive, Urinary,
Endocrine, and Reproductive
Systems)

Digestive System ||||||




The actions involved in the mechanical processing of food include all but which of the
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




following?
A) absorption
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B) squashing foods with the tongue
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C) tearing or crushing foods with the teeth
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D) churning or swirling of the foods by the stomach - correct answer ✔A) absorption
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Digestion refers to: |||||| ||||||




A) the progressive dehydration of indigestible residue
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B) the input of food into the digestive tract
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C) the chemical breakdown of food
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D) the absorption of nutrients into the gut - correct answer ✔C) the chemical breakdown of
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food


Most of the digestive tract is lined by:
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,A) pseudostratified ciliated columnar epithelium
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B) cuboidal epithelium
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C) stratified squamous epithelium
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D) simple columnar epithelium - correct answer ✔D) simple columnar epithelium
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The _____ are double sheets of peritoneal membrane that hold some of the visceral organs
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in their proper position.
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A) serosa ||||||




B) adventitia
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C) mesenteries
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D) fibrosa - correct answer ✔C) mesenteries
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The activities of the digestive system are regulated by:
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A) hormones
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B) parasympathetic neurons
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C) sympathetic neurons
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D) all of the above - correct answer ✔D) all of the above
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Sandwiched between the layer of circular and longitudinal muscle in the muscularis externa
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is the:
||||||




A) mucosa ||||||




B) submucosa
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C) muscularis mucosa
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D) myenteric plexus - correct answer ✔D) myenteric plexus
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The mesentery that suspends most of the small intestine is the:
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A) mesentery proper
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B) transverse mesentery
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,C) lesser omentum
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D) greater omentum - correct answer ✔A) mesentery proper
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The passageway between the oral cavity and the pharynx is the:
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




A) uvula
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B) fauces
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C) palatoglossal arch
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D) palatopharyngeal arch - correct answer ✔B) fauces
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The ventral mesentery:
|||||| ||||||




A) becomes the main attachment point for digestive organs in the peritoneal cavity in the
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adult
B) is highly glandular, but not vascular
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C) contains and forms a pathway for the hepatic portal vein and its tributaries
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D) none of the above - correct answer ✔D) none of the above
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Which of the following does not apply to the entire small intestine?
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A) it is the primary site of digestion and the absorption of approximately 80 percent of
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nutrients
B) it averages 6 meters in length
|||||| |||||| |||||| |||||| |||||| ||||||




C) it is retroperitoneal
|||||| |||||| ||||||




D) it bears a series of transverse folds called plicae circulares - correct answer ✔C) it is
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retroperitoneal


In elderly individuals, the function of the digestive tract:
|||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




A) changes in ways that parallel age-related changes of most other systems of the body
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B) is independent of the changes that occur in other systems
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C) can be determined by a study of liver function
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||

, D) improves in efficiency, but not in the rate of digestion - correct answer ✔A) changes in
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




ways that parallel age-related changes of most other systems of the body
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How would damage or removal of parts of the mesentery interfere with normal function of
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the small intestine? |||||| ||||||




A) it would cause an increase in peristalsis
|||||| |||||| |||||| |||||| |||||| |||||| ||||||




B) hormone secretion would increase
|||||| |||||| |||||| ||||||




C) the blood and nerve supply would suffer interference
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D) the intestines would lose some of their motility - correct answer ✔C) the blood and
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nerve supply would suffer interference |||||| |||||| |||||| ||||||




What is the function of the lipase from the pancreas?
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




A) An enzyme that breaks down dietary fats into smaller molecules called fatty acids and
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




glycerol
B) An enzyme that breaks down protein into its building blocks, amino acids
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




C) A digestive enzyme that acts on starch in food, breaking it down into smaller
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




carbohydrate molecules ||||||




D) None of the above - correct answer ✔A) An enzyme that breaks down dietary fats into
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




smaller molecules called fatty acids and glycerol |||||| |||||| |||||| |||||| |||||| ||||||




What is the function of the hepatopancreatic sphincter? - correct answer ✔Also called the
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




sphincter of Oddi or Glisson's sphincter, it is a muscular valve that controls the flow of |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




digestive juices (bile and pancreatic juice) through the ampulla of Vater into the second part |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




of the duodenum.
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What does the gallbladder do with bile? - correct answer ✔The gallbladder holds bile
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produced in the liver until it is needed for digesting fatty foods in the duodenum of the |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




small intestine. ||||||




What is the function of Kupffer cells? - correct answer ✔Kupffer cells engulf pathogens, cell
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




debris, and damaged blood cells in the liver. |||||| |||||| |||||| |||||| |||||| |||||| ||||||

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