📸chapter 24

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Which of the following processes is the function of the smooth muscle layer of the digestive system?

Mixing and propulsion

Which of the following processes is the primary function of the mouth?

Ingestion

Which of the following processes is the primary function of the villi of the small intestine?

Absorption

Which of the following accessory organs produces a fluid to soften food?

Salivary glands

Which of the following accessory organs produces a fluid that functions to emulsify dietary fats?

Liver

Which of the following accessory organs stores bile?

Gallbladder

What is line A pointing to?

MALT

Which of the following is NOT a primary function of the large intestine?

Regulation of blood glucose

What layer is composed of areolar connective tissue and epithelium?

none of these

This structure regulates the flow of material into the colon.

Ileocecal sphincter

Which layer contains the lamina propria?

B

This digestive aid, produced by the stomach, begins digestion by denaturing proteins.

Hydrochloric acid

The capability of the GI tract to move material along its length is called

Both 1 and 2

This consists of calcified connective tissue.

B

This hormone is stimulated by high levels of dietary fat in the small intestine.

Cholecystokinin

What is line F pointing to?

Cementum

This hormone functions to counteract the effect of gastric acid in the small intestine.

Secretin

This has an opening called the apical foramen

G

Which of the following pancreatic enzyme acts on peptide bonds?

Chymotrypsin

This is the portion of the stomach that connects to the duodenum

D

Which of the following pancreatic enzymes acts on glycogen and starches?

Amylase

What does line G point to?

pyloric antrum

Which of the following enzymes acts to produce monoglycerides as one product?

Lipase

This is the area where pyloric stenosis occurs.

E

Brunner's gland

Secrete an alkaline mucus

What is line I pointing to?

fundus

Which of the following small intestine cells secrete lysozyme?

Paneth cells

Which of the following cells secrete mucus?

B

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

Storage of bilirubin

Which of the following cells secrete intrinsic factor?

C

This is the principle bile pigment.

bilirubin

Which of the following cells secrete gastrin?

E

This is found on the liver and is a remnant of the umbilical cord in a fetus

Round ligament

Which of the following cells secrete pepsinogen?

D

Which of the following pancreatic enzymes digests lipids?

Lipase

Name the structure labeled F

gastric pit

This major duct carries a fluid rich in bicarbonate ions.

Pancreatic duct

Name the structure labeled G

gastric glands

How long can food stay in the fundus before being mixed with gastric juices?

1 hour

Name the structure labeled C

Parietal cell

This cell secretes the hormone that promotes production of hydrochloric acid

G cell

Name the structure labeled D

Chief cell

Which of the following secrete hydrochloric acid

Parietal cells

Name the layer labeled A

circular muscle

This structure of the stomach allows greater distension for food storage

Rugae

Name the layer labeled B

longitudinal muscle

How many stages of deglutition are there?

3

Name the layer labeled C

serosa

Which of the following contains skeletal muscle?

muscularis

Name the layer labeled E

mucosa

Deciduous molars are replaced by

bicuspids

Name the layer labeled D

submucosa

In the mouth, the tooth sockets are lined with

periodontal ligament

The enzyme produced in the organ labeled C which digests DNA is called

Deoxyribonuclease

Lateral to the base of the uvula in the mouth, this muscular fold runs posteriorly down the lateral sides of the soft palate to the pharynx.

Palatopharyngeal arch

The enzyme produced in the organ labeled C which digests RNA is called

Ribonuclease

hard palate

all of these choices

The enzyme, produced in the organ labeled C, that produces fatty acids and monoglycerides during digestion is called

Pancreatic lipase

This portion of the peritoneum is largely responsible for carrying blood and lymph vessels to the intestines.

Mesocolon

The enzyme, active in the organ labeled D, that has starches as a substrate is

Pancreatic amylase

This portion of the peritoneum attaches the liver to the anterior abdominal wall and diaphragm.

Falciform ligament

Which enzyme active in organ D, has nucleotides as a substrate?

nucleosidases

This portion of the peritoneum drapes over the transverse colon and coils of the small intestine.

Greater omentum

Which of the following disorders results in an enlargement of the organ labeled G?

mumps

Why do emotions such as anger or fear slow digestion?

Because they stimulate the sympathetic nerves that supply the GI tract

Name the disorder caused by a lack of proper enzymatic action in the organ labeled D resulting in diarrhea, gas and bloating after consumption of diary products

lactose intolerance

This plexus is located between the longitudinal and circular smooth muscle layers of the muscularis.

Myenteric plexus

Which of the following disorders involving the organ labeled F can result from cholesterol crystallization?

gallstones

These are composed of prominent lymphatic nodules that function in the immune response.

MALT

Which of the following disorders involving the organ labeled C can result from alcohol abuse?

pancreatitis

This layer of the GI tract is composed of areolar connective tissue containing blood and lymph vessels.

Lamina propria

Which of the following disorders involving the organ labeled E can result from viruses, drugs and chemicals such as alcohol?

hepatitis

This layer of the GI tract is composed of areolar connective tissue that binds the mucosa to the muscularis

Submucosa

Which of the following disorders can occur in the organ labeled B?

peptic ulcers

This layer functions by secreting a lubricating fluid.

Serosa