What is a primary function of the digestive system in the human body? Regulates body temperature. Ingests and breaks down food, absorbs nutrients, and defecates the unabsorbed material. Filters waste from the blood. Circulates blood throughout the body.

Ingests and breaks down food, absorbs nutrients, and defecates the unabsorbed material.

What is the correct sequence for the layers in the walls of the alimentary canal from innermost to outermost? Submucosa, mucosa, serosa, muscular layer Serosa, muscular layer, submucosa, mucosa Mucosa, submucosa, muscular layer, serosa Muscular layer, serosa, mucosa, submucosa

Mucosa, submucosa, muscular layer, serosa

What is the uvula? A part of the tongue A gland in the mouth A projection from the soft palate A type of tooth

A projection from the soft palate

Comprehensive Digestive System Study: Anatomy, Functions, and Disorders

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Biology - Anatomy

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Cards in this deck(81)

The alimentary canal extends between which two points in the human body?

What is a primary function of the digestive system in the human body?

What is the correct sequence for the layers in the walls of the alimentary canal from innermost to outermost?

The _____ is the layer of the alimentary canal wall that absorbs nutrients.

Where does peristalsis occur in the digestive tract?

Activities of the digestive system generally increase when it is stimulated by _____ impulses.

Which teeth are best adapted for biting off chunks of food?

What is found in the root canal of a tooth?

The mechanical breakup of food particles in the mouth is called _____.

What is the uvula?

Because of their location, swollen palatine tonsils may interfere with _____.

Ankyloglossia is a condition where the tongue is almost completely anchored to the floor of the mouth. The abnormal overgrowth of what structure would cause this condition?

Which substance is responsible for the breakdown of starch molecules in bread into smaller sugars, causing a sweet sensation?

What is a function of saliva?

What are the largest salivary glands?

Which is not an involuntary part of the swallowing reflex?

What prevents the bolus from entering the upper part of the nasopharynx during swallowing?

How does the bolus move along the esophagus?

The epiglottis is attached to the _____.

Edith suffers from severe heartburn and is diagnosed with a hiatal hernia. This condition affects her _____.

Which gastric cells are affected by prolonged use of NSAID pain relievers, leading to ulcers and acid erosion?

What effect would a genetic mutation preventing parietal cells from secreting their typical products have on digestion within the stomach?

Heartburn is usually caused by the effects of gastric juice on the _____.

Elliot thought his peptic ulcers were caused by stress, but his doctor prescribed medication to treat _____.

What is the main part of the stomach called?

A newborn with hypertrophic pyloric stenosis has an overgrowth of muscle blocking the passageway from the stomach to the _____.

Matthew takes a drug that inhibits HCl production in the stomach. If taken long-term, digestion of which nutrient would be most affected?

What is secreted by the parietal cells of gastric glands?

What is true for all of the enzymes that digest protein?

What is the function of gastrin secreted by stomach cells?

What stimulates the secretion of cholecystokinin from the intestinal wall?

What is the action of the hormone secretin?

If prosecretin is produced improperly and cannot be converted to secretin, how will this affect the intestine and pancreas during digestion?

What protein-digesting enzyme is found in pancreatic juice?

Acute pancreatitis is often caused by the conversion of _____ within the pancreas.

What regulates pancreatic secretion of digestive enzymes?

Which of the following is not a function of the liver?

Which of the following is true about bile?

Which constituent of bile has a digestive function?

Which of the following is a function of the liver?

David has sustained severe damage to his liver in a car accident. Digestion of which nutrient will be most affected?

The common hepatic duct and the cystic duct unite to form the _____.

Why might gallstones form?

What is usually a major component of gallstones?

Bile salts function like detergents in that they _____ fat globules.

What part of the digestive tract has the most lymph nodules and bacteria?

The greater omentum is composed of the _____ membrane.

What is true about the life-span of epithelial cells that form the inner lining of the small intestine?

Tanisha has abdominal pains and can digest nutrients, but they are not absorbed by the intestinal blood supply. What term best describes her condition?

Which of the following is the correct sequence for the digestion and absorption of lipids?

The major mixing movement in the small intestine is accomplished by _____.

Chylomicrons transport dietary fats to _____ through the blood.

What organ produces VLDL?

Peripheral tissue cells remove lipoproteins from plasma by receptor-mediated endocytosis. Which lipoprotein is involved?

What lipoprotein picks up cholesterol from the peripheral tissues and returns it to the liver?

What is one of the functions of the large intestine?

Loperamide is used to slow and stop diarrhea. Which intestinal condition with diarrheal symptoms can be controlled with loperamide?

Which of the following occurs during the defecation reflex?

Enlarged blood vessels of the anal columns are called _____.

Feces are about _____ percent water.

What changes in the mouth occur due to aging?

Lydia is taking an antihistamine for her allergies and develops xerostomia. What is xerostomia?

Which is not a factor that may affect the rate of absorption of certain medications with age?

Carrie has many cavities due to bacteria that _____, which is why she has so many cavities.

What is found in most over-the-counter antacids?

How is hepatitis B transmitted?

Jaundice is due to the accumulation of what substance?

Hepatitis C accounts for nearly half the known causes of hepatitis. How is hepatitis C transmitted?

An X-ray series of the bile ducts is called a _____.

What disorder of the large intestine produces a 'cobblestone' effect within the tissues of the colon after many years?

Which of the following is stimulated by overdistention of the small-intestine wall?

Which of the following is a difference between the mucosae of the small and large intestines?

You are flipping through your Instagram feed, which is full of pictures of food. Which of the following digestive processes did this most likely stimulate?

The parotid gland is located _____ and functions to _____.

An CT scan shows a blockage in the duodenum that needs to be removed surgically. Which tunic will be cut first?

Which organ is not part of the gastrointestinal tract?

What accessory organ is attached to the duodenum and secretes fluid rich in digestive enzymes?

The salivary glands secrete the enzyme _____ that breaks down _____.

What is the effect of parasympathetic innervation on the salivary glands' secretions?

Protein is broken down into smaller fragments, but ultimately requires splitting of the last peptide bond between two amino acids. What enzyme catalyzes this reaction?

Where are nucleic acids chemically digested?

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Comprehensive Digestive System Study: Anatomy, Functions, and Disorders

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