Exam (elaborations)

BIOL 252 exam 4 study questions and answers

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Course
BIOL 252

Institution
Chamberlain College Of Nursing

Liver -Correct Answer produces bile for fat emulsion pancreas -Correct Answer produces digestive enzymes. Accessory organ of the digestive system that is both an endocrine and exocrine gland components of bile -Correct Answer minerals, bile pigments, bile acids (salts), phospholipids, cholest...

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biol 252 exam 4
biol 252
biol 252 exam 4 study questions and answers 2024
biol 252 exam 4 study questions and answers
biol 252 exam 4 study questions
biol 252 exam 4 study questions and ans

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Bio 252 Exam 4

BIOL 252 exam 4 study questions and answers
2024-2025
Liver -Correct Answer ✔produces bile for fat emulsion

pancreas -Correct Answer ✔produces digestive enzymes. Accessory organ of the
digestive system that is both an endocrine and exocrine gland

components of bile -Correct Answer ✔minerals, bile pigments, bile acids (salts),
phospholipids, cholesterol

hepatic sinusoids -Correct Answer ✔blood filled channels between the layers of
hepatocytes in the liver

chymotrypsin and trypsin -Correct Answer ✔pancreatic enzymes that digest proteins

hepatic lobules -Correct Answer ✔microscopic subunits of the liver, each consisting of a
central vein passing down its core

cholecystokinin (CCK) -Correct Answer ✔in response to fat in the chyme, this hormone
is secreted by the duodenum to stimulate the pancreas to secrete enzymes, contract
the gallbladder, and relax the pyloric sphincter

hepatic macrophages -Correct Answer ✔cell in the liver that remove bacteria and debris
from the blood

gallbladder -Correct Answer ✔pear shaped sac on underside of the liver that serves to
store and concentrate bile

large intestine -Correct Answer ✔the portion of the alimentary canal that does not
secrete digestive enzymes, but does absorb water and electrolytes

emulsification -Correct Answer ✔process by which large drops of fat are broken apart
into smaller fat droplets

purposes for small intestine muscle contraction -Correct Answer ✔- mixing of chyme
with secretions
- propel contents along intestines
- mechanical digestion of food
- increase contact of chyme with intestinal lining

external anal sphincter -Correct Answer ✔sphincter under voluntary control

Bio 252 Exam 4

, Bio 252 Exam 4

internal anal sphincter -Correct Answer ✔sphincter under involuntary control

stretching of rectum -Correct Answer ✔stimulus for defecation reflex

bacterial flora -Correct Answer ✔refers to the many species of bacteria residing in our
large intestine

amylase (pancreatic or salivary) -Correct Answer ✔the enzyme that digests dietary
starch

intestinal motility -Correct Answer ✔- move residue along the digestive tract
- mix chyme with secretions
- bring chyme into contact with intestinal lining

haustral contractions -Correct Answer ✔a form of segmentation that occurs in the large
intestine

small intestine -Correct Answer ✔where does absorption of minerals take place?

chylomicrons -Correct Answer ✔particles that transport fats into lymph and blood

mass movements -Correct Answer ✔strong contractions within the large intestine that
occur 1 to 3 times a day and function to move residue several cm at a time

Micelles -Correct Answer ✔transport fats in the intestine to the brush border of epithelial
cells

renal corpuscle -Correct Answer ✔filters the blood plasma

renal tubule -Correct Answer ✔converts filtrate into urine

minor calyx -> major calyx -> renal pelvis -> ureter -Correct Answer ✔list in order the
structures through which a drop of urine will flow after it drains from renal papilla

efferent arteriole -Correct Answer ✔carries blood away from the glomerulus

Kidney Functions -Correct Answer ✔- secretion of renin and erythropioetin
- filtering blood to remove metabolic waste
- regulation of electrolyte balance
- synthesis of calcitriol

renal artery -> arcuate artery -> cortical radiate artery -> afferent arteriole -Correct
Answer ✔order of arteries carrying blood from aorta to renal cortex

Bio 252 Exam 4

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