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Digestion I
152 Digestion Study Guide
64
Biology
Undergraduate 1
11/04/2012

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Cards

Term

Bicarbonate

 Amylase

Definition
Serous cells produce________ to buffer acids and ________ which begins the digestion of carbohydrates.
Term

Facial

 Glossopharyngeal

Definition
The ________ nerve and _________ nerve stimulate salivation.
Term
Bicuspids
Definition
The _________ type of tooth is not found in children at age 8.
Term
Molar
Definition
The most posterior type of tooth used for grinding food is the _________.
Term
Lower Central Incisor
Definition
The first permanent type of tooth in a child's mouth is the _________.
Term
Incisor
Definition
Themost anterior type of tooth used for biting is the _________.
Term
Canines
Definition
The __________ have a very long root but are not as spike-like as in dogs ands cats.
Term

Gamphosis

 Periodontal

Definition
The type of joint between the tooth and bone is a _________ and involves the _________ ligament.
Term

Maxilla

 Mandible

Definition
The two bones with teeth are the _________ and _________.
Term

Crown

 Enamel

Definition
The _________ is the visible protion of the tooth and is covered by the hard substance __________.
Term

Pulp

 Pulp

 Root

Definition
___________ is the connective tissue of the tooth containing blood vessels, lymphatic vessels, and nerves, and is found in the _________ cavity and the _________ canal.
Term

Temporal Bone

 Temporal Mandibular

 Synovial Joint

Definition
The mandible forms a joint with the __________ of the skull called the __________ joint which is a __________.
Term

Masseter

 Temporalis

 Pterygoid Lateral

 Medial Pterygoid

Definition
The muscles of mastication include the _________, __________, __________, and __________.
Term
Trigeminal
Definition
The muscles of mastication are activated by the ________ nerve.
Term
Palatine
Definition

The _________ tonsils detect pathogens in our meal during chewing and swallowing.

 

Term

Nasopharynx

 Oropharynx

 Laryngopharynx

Definition
The throat is subdivided into three regions called the __________, _________, and _________.
Term
Nasopharynx
Definition
The __________ of the throat has a linging of pseudostartified columnar epithelium and is not involved with the swallowing or the digestion of food.
Term

Oropharynx

 Laryngopharynx

 Skeletal

Definition
The ________ and __________
Term

Nasopharynx

Pharyngeal

Definition

The opening of the auditory tube occurs in the _________ of the throat and the _________ tonsils assist in activation of the immune system to prevent otitis media.

 

Term

Stratified Squamous

Adventitia

Definition
The esophagus has a mucosal lining of _________ epithelium and a connective tissue surface called _________.
Term

Skeletal

Smooth

Definition
The muscularis of the esophagus serves as a transition from _________ muscle in the upper third to __________ muscle in the lower third.
Term

Esophageal Hiatus

Hiatal

Definition
The esophagus passes through an opening in the diaphragm called the _________ which can allow protrusion of the stomach call a(n) _________ hernia.
Term

Pharyngeal

Epiglottis

Definition
During the _______ stage of swallowing, the soft palate raises and the ________ folds over the airway.
Term

Voluntary

Bolus

Definition
During the _______ stage of swallowing, the chewed food called a ________ is voluntarily forced into the throat by the tongue.
Term

Esophageal

Peristalsis

Definition
Transit time through the esophagus during the ________ stage of swallowing depends on muscular contractions called _________.
Term

Lower Esophageal

GERD

Definition
Failure of the _________ sphincter to completely close allows regurgitation of gastric juices into the esophagus called _________ or heartburn.
Term
Phylorus
Definition
The region where stomach tapers toward the small intestine is the ________
Term
Body
Definition
The __________ is the main region of the stomach.
Term
Cardia
Definition
The region of the stomach where the esophagus connects is the _________.
Term
Fundus
Definition
The _________ is the stomach region that often collects gas because it balloons above the entrance from the esophagus.
Term
Pyloric
Definition
The ________ sphincter prevents the stomach from empyting into the small intestine.
Term
Gastric Rugae
Definition
The _________ are mucosal folds in the empty stomach.
Term
Oblique
Definition
The stomach has a third muscular layer called the _________ smooth muscle.
Term

Mucous

Chief

Parietal

Definition
Gastric glands produce gastric juice with secretions from the ________ cells, ________ cells, and _________ cells.
Term
Parietal
Definition
HCl is secreted by _________ cells.
Term
Chief
Definition
Pepsin is secreted by _________ cells.
Term
Mucous Neck
Definition
Mucus is secreted by ________ cells.
Term
G
Definition
Gastrin is secreted by _________ cells.
Term
Parietal
Definition
Intrinsic factor is secreted by _________ cells.
Term
Pepsin
Definition
Teh enzyme ________ from the stomach digests proteins in an acid pH.
Term
Gastrin
Definition
The hormone _________ stimulates gastric juice secretions.
Term
Histamine
Definition
The substance _________ stimulates gastric juice secretions and is blocked by anti-histamines like Tagamet and Zantac.
Term
Acetycholine
Definition
The neurotransmiiter _________ stimulates gastric juice secretions.
Term
Hydrocholoric Acid
Definition
The substance _________ produces a low pH in the stomach.
Term
Mucous
Definition
The substance________ protects the stomach from digestive enzymes and a low pH.
Term
Carbonic Anahydrase
Definition
The enzyme __________ produces acid by combining CO2 and H2O to form carbonic acid.
Term
Peristalsis
Definition
The main mobility of the stomach is _________ which forms a mixing action forcing the gastric contents back and forth.
Term
Chyme
Definition
The contents of the stomach after repeated mixing with gastric juice is called acid _________.
Term
Lipids
Definition
Gastric emptying is slowed the most by the presence of __________ in the meal.
Term
Carbohydrate
Definition
__________ rich meals leave the stomach quickest.
Term
Medulla Oblongata
Definition
Vomiting occurs due to local irritation to the stomach mucosa or due to activation of the emetic center in the ________ of the brain.
Term
Pancreas
Definition
The __________ is both an endocrine gland an exocrine gland.
Term

Insulin

Glucagon

Definition
Both ________ and _________ are hormones produced by pancreatic islets.
Term
Acinar
Definition
__________ cells of the pancreas produce pancreatic juice for digestion.
Term
Duodenum
Definition
Pancreatic juice is secreted into the _________ region of the small intestine.
Term

Pancreatic

Hepatopancreatic

Definition
Pancreatic juice released through the ________ duct is controlled by the _________ sphincter.
Term
Accessory
Definition
pacreatic juice released through the ________ duct directly enters the small intestine.
Term
Bicarbonate
Definition
Pancreatic juice contains __________ to neutralize acid chyme.
Term

Pancreatic Amylase

Trypsin

Chymotrypsin

Carboxy Peptidase

Pancreatic Lipase

Nuclease

Definition
Pancreatic juice contains the enzyme __________, _________, _________, _________, _________, and ________.
Term
High Alkaline
Definition
Pancreatic enzymes work best in a(n) _________ pH.
Term
Amylase
Definition
Pancreatic __________ digests carbohydrates.
Term
Lipase
Definition
Pancreatic _________ digests triglycerides and other lipids
Term

Trypsin

Chymotrypsin

Carboxy Peptidase

Definition
_________, _________, and _________ digest proteins.
Term
Ribo Nuclease
Definition
Nucleic acids are digested by __________.
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