BIOL 202 quiz/exam 3
function of saliva
carbohydrate breakdown
2
cardia
To which region of the stomach does the esophagus connect?
cardia
name the structure food goes through as it leaves the esophagus and enters the stomach
cardia sphincter (lower esophageal sphincter)
What are the cells in the stomach?
chief cells, G cells, and parietal cells
4
circular muscle layer
Blockage of the common hepatic duct would interfere with digestion of
fats
12
fundus
The proportion of the stomach that is superior to the junction between the stomach and the esophagus is the
fundus
Bile is stored in the
gallbladder
*G cells* of the stomach secrete?
gastrin
G cells of the stomach secrete
gastrin
The hormone that stimulates secretion and contraction by the stomach is
gastrin
whats the other name for Bowmans capsule
glomerulus capsule
8
greater curvature
Parietal cells secrete
hydrochloric acid
parietal calls of stomach secrete
hydrochloric acid & intrinsic factor
name the structure food goes through as it leaves the small intestine and enters the large intestine
ileocecal valve
Peyer's patches are characteristic of the
ileum
The proportion of the small intestine that attaches to the cecum is the
ileum
what region of the small intestine where they have Peyer's patches?
ilium
The exocrine portion of the pancreas is composed of
islets of Langerhans
What organ is primarily responsible for water absorption?
large intestine
5
lesser curvature
The taenia coli are
longitudinal bands of smooth muscle in the colon wall
3
longitudinal muscle layer
1
lower esophageal sphincter
what region of the kidney do you find the renal columns in?
medulla
The _________________ supports all but 25 cm of the small intestine and provides stability and limited movement
mesentery proper
functional unit of kidney?
nephron
10
oblique muscle layer
what is an accessory organ of digestion?
pancreas
The ______________ gland empties into the oral cavity at the level of the second upper molar
parotid
what are the salivary glands?
parotid, submandibular, sublingual
*Cheif cells* of the stomach secrete?
pepsinogen
Chief cells secrete
pepsinogen
Waves of muscular contractions that propel the contents of the digestive tract are called
peristalsis
three sections to the male urethra
prostatic urethra, membranous urethra, spongy urethra (penile urethra)
6
pyloric sphincter
what is the structure that food passes through when it enters the small intestine
pyloric sphincter
7
pylorus
What is the function of the pyloric sphincter?
regulates gastric emptying
what structure separates the renal pyramids?
renal columns
base of renal pyramids?
renal papilla
2 parts that make up nephron?
renal tubule and renal corpuscle
9
rugae
The prominent ridges in the lining of the empty stomach are called
rugae
Which structure helps the stomach to stretch as it fills with food?
rugae
what does the bladder have when it is not full?
rugae
Which of the following is NOT a component of the portal triad at the edges of a liver lobule?
Central vein
An intestinal hormone that stimulates the gallbladder to release bile is
GIP
bladder is made of
transitional epithelium
At the hepatic flexure, the colon becomes the
transverse colon
structure that transports urine from kidney to bladder
ureter
Mary had her stomach mostly removed to try to overcome obesity. As a result you would expect Mary to be at risk for
abnormal erythropoiesis
The functions of the oral cavity included all of the following EXCEPT -sensory analysis of material before swallowing -mechanical processing of food -lubrication -absorption of monosaccharides -digestion of carbohydrates
absorption of monosaccharides
Functions of the stomach included all of the following EXCEPT -storage of ingested food -denaturation of proteins -initiation of protein digestion -absorption of triglycerides -mechanical breakdown of food
absorption of triglycerides
what blood vessel delivers blood to the glomerulus?
afferent arteriole
The pancreas produces... -lipase and amylase -nucleases -peptidases and proteinases -sodium bicarbonate -all of the above
all of the above
A small, wormlike structure attached to the posteromedial surface of the cecum is the
appendix
which of the following is not a component of the digestive tract? -stomach -pharynx -esophagus -bladder -colon
bladder
In response to the arrival of acidic chyme in the duodenum, the
blood levels of secretin rise
11
body
What does the distal convoluted tubule drain into?
collective duct
what duct combines with pancreatic duct in small intestine?
common bile duct
The duodenal ampulla receives secretions from the
common bile duct and the pancreatic duct
functions of kidney and liver
drug & toxin removal
Brunner glands are characteristic of the
duodenum
The part of the small intestine most likely to develop an ulcer from exposure to gastric juice is the
duodenum
The pylorus empties into the
duodenum
regions of small intestine
duodenum, jejunum, ileum
The intestinal hormone that stimulates the pancreas to release a watery, bicarbonate-rich fluid is
secretin
whats the smooth band of smooth muscle in the small intestine?
tenia coli