urinary lab

the ___ arteries and veins are located in the corticomedullary junction.

arcuate

as temperatures decrease, enzyme activity

decreases

allow stomach to expand

gastic folds

bile is produced in the

liver

last section of small intestine

lleum

common opening region for bile and pancreatic secretions

major duodenal papilla

which is a major function o the oral cavity?

mechanical digestion

layer nearest lumen of alimentary canal

mucosa

responsible for peristaltic waves

muscular layer

secrete hydrochloric acid into the stomach

parietal cells

summarize the functions of the small intestine

receives secretions from the pancreas and liver, it also competes digestion of the nutrients in chyme, absorbs the products of digestion, and transports the remaining residuals to the large intestine.

the ___ lobe is the largest lobe of the liver

right

which of the following digestive organs possesses villi?

small intestine

the enzyme amylase accelerates the reaction of changing

starch into disaccharides

smallest of major salivary glands

sublingual gland

the optimum pH for amylase activity is

6.8-7.0

cortical nephrons represent about ___ of the nephrons.

80%

what happens when someone takes a drink of water.

as the liquid goes down the trachea, it's almost like it contracted while going down.

region of stomach near lower esophageal sphincter

cardia

portion of tooth projecting beyond gingivae

crown

the ____ is exposed part of a tooth.

crown

attached to gallbladder

cystic duct

the appendix, cecum, and ascending colon are on the left side of the body.

false

the external urethral sphincter is composed of involuntary smooth muscle.

false

the stomach can stretch enough to hold the contacts of a large meal because it has

gastic folds

name the valve that controls the movement of material between the small and large intestines

ileocecal valve

after an enzyme reaction is completed, the enzyme

is still available

Is the pancreas and exocrine gland or and endocrine gland?

its is both exocrine and endocrine. Its a endocrine gland because it produces several important hormones including insulin, glucagon, and somato statin. And still qualifies as exocrine gland because it secretes pancreatic juice containing digestive enzymes that pass through to the small intestine

the __ sphincter is the muscular valve at the exit of the stomach.

phyloric

name the valve that prevents regurgitation of food from the duodenum back into the stomach

pyloric valve (sphincter)

contains blood vessels and nerves in a tooth

root canal

amylase originates from

salivary glands and pancreas

which of the following does not represent one of the processes in urine formation?

secretion of renin

summarize the functions of the esophagus

the esophagus provides a passageway for food, and its muscular wall propels food from the pharynx to the stomach

when comparing the position of the two kidneys,

the right kidney is slightly inferior to the left kidney

How is the structure of the small intestine better adapted for absorption than that of the large intestine?

the small intestine has tiny projections called 'villi'; these projections increase the surface area for absorption. The large intestine doesn't have these structures.

summarize the functions of the stomach

the stomach receives food from the esophagus, mixes it with gastric juice, initiates the digestion of proteins, carries on limited absorption, and moves food into the small intestine

the accessory organs of the digestive system

tongue, pancreas, teeth, salivary glands, liver, gallbladder, appendix

contraction of the detrusor muscles provide the force during micturition (urination)

true

the anal sphincter muscles include an external voluntary sphincter and an internal involuntary sphincter.

true

the ___ is the tube from the kidney to the urinary bladder.

ureter

the trigone is a triangular, funnel-like region of the

urinary bladder

space between teeth, cheeks, and lips

vestibule