Digestive

Created by kenil_delsoin 

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49 terms · Study Questions

Another name for the alimentary canal is the gastrointestinal (GI) tract

TRUE

The rhythmic, wavelike propelling mechanism of the alimentary canal is called peristalsis

TRUE

The innermost layer of the serosa is called the parietal peritoneum

FALSE

The lacy apron of the peritoneum that covers the abdominal organs is called the lesser omentum

FALSE

The chief cells produce hydrochloric acid, which activates stomach enzymes

FALSE

The small intestine runs from the pyloric sphincter to the ileocecal valve

TRUE

The first portion of the small intestine is the jejunum

FALSE

Bile enters the duodenum of the small intestine through the pancreatic duct

FALSE

Villi are projections of the mucosa of the stomach

FALSE

The ascending colon is found on the left side of the abdominal cavity.

FALSE

The segment of the colon to which the appendix is attached is the cecum

TRUE

The anal canal has a voluntary sphincter formed by smooth muscle only

FALSE

Small pocketlike sacs within the large intestine that most often are partially contracted are called haustra.

TRUE

The enamel found on teeth is heavily mineralized with calcium salts and comprises the hardest substance within the entire body.

TRUE

The bicuspids are also called wisdom teeth.

FALSE

Pancreatic enzymes are released into the stomach to break down all categories of digestible foods

FALSE

Bile is produced by the liver but stored in the gallbladder.

TRUE

Food within the lumen of the alimentary canal is considered to be outside the body

TRUE

The involuntary phase of swallowing is called the buccal phase

FALSE

Diverticulosis occurs when mucosa become inflamed and protrude through the wall of the small intestine.

FALSE

Enzymes of the microvilli are called brush border enzymes

TRUE

Absence of either bile or pancreatic juice indicates that no fat digestion or absorption is occurring. This can lead to blood-clotting problems because the liver needs vitamin K to make prothrombin

TRUE

Secretin and cholecystokinin influence the release of both pancreatic juice and bile

TRUE

Fats are absorbed by active transport in the small intestine.

FALSE

Mass movements are slow-moving contractile waves that move over large areas of the colon three or four times each day.

TRUE

Sugars and starches are classified as lipids.

FALSE

Anabolism is the process in which larger molecules are built from smaller ones.

TRUE

Fat metabolism can result in acidosis (ketoacidosis)

TRUE

Optimal health of tissues is achieved when HDL and LDL are present in equal amounts within the bloodstream.

FALSE

The body's thermostat, which constantly regulates body temperature, is located within the hypothalamus.

TRUE

Watery stools that result when food residue is rushed through the large intestine before sufficient water has been reabsorbed, causing dehydration and electrolyte imbalance, is called constipation.

FALSE

Proteins

pepsinogens

Lactose

lactase

Starch

amylase

Fat

lipase

Nucleic acids

nuclease

Primary site of water absorption

large intestine

Site where starch digestion begins

mouth

Tube through which food is

esophagus

Site where the beginning of protein digestion occurs

stomach

Site where pancreatic enzymes and bile enter the alimentary canal

duodenum

Site of vitamin K synthesis by bacteria

large intestine

Site of initiation of the defecation reflex

rectum

Glucose and glycogen

carbohydrates

Amino acids

proteins

Coenzymes

vitamins

Calcium, phosphorus, potassium

minerals

Triglycerides

lipids

Fiber

carbohydrates

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