BIOL 202 quiz/exam 3

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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


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