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2024 NUTRITION 251 PSU EXAM 1 WITH CORRECT ANSWERS
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2024 NUTRITION 251 PSU EXAM 1 WITH CORRECT ANSWERS
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2024 NUTRITION 251 PSU EXAM 1WITH CORRECT ANSWERS
which organ do water soluble molecules first pass through - CORRECT-
ANSWERSliver
molecules absorbed into the lymph system from the SI - CORRECT-
ANSWERSfat soluble material- fat soluble vitamins, fatty acids, cholesterol
how do fat soluble substances enter the blood system - CORRECT-
ANSWERSas chylomicrons
simple diffusion - CORRECT-ANSWERSmolecules moving freely from high
concentration to low; water, small fatty acids, sodium
facilitated diffusion - CORRECT-ANSWERSmolecules moving from high to low
concentration with the assistance of a carrier protein; fructose
active transport - CORRECT-ANSWERSmolecules moving from low to high
concentration using ATP and a carrier protein; glucose, amino acids
function of bile duct - CORRECT-ANSWERStransports bile from gall bladder to
small intestine
function of pancreatic duct - CORRECT-ANSWERStransports pancreatic juice
from pancreas to small intestines
function of large intestine - CORRECT-ANSWERSremoval of water (10% water
absorption) and salts and the formation of feces happens here
water balance in the LI - CORRECT-ANSWERSsalts are removed in the LI,
which makes a hypertonic environment outside of the colon causing water to
move out to the bloodstream
function of gastrin - CORRECT-ANSWERSstimulates the stomach to secrete
more hydrochloric acid
what does the overproduction of gastrin cause - CORRECT-ANSWERStoo
much acid in the stomach
, strategy to solving the case of too much acid in the gastric region -
CORRECT-ANSWERStake antacids or OTC (acid reducers)
H. pylori - CORRECT-ANSWERSbacterial infection caused by gastric secretion
and over use of anti inflammatory drugs; attaches to gastric mucosa and can
survive in acidic environments
what happens if you have many H. pylori in the stomach and how can you
treat it - CORRECT-ANSWERSpeptic ulcer or heartburn, treated with
antibiotics
what signals secretin output - CORRECT-ANSWERSacidic chyme in the small
intestine
role of secretin - CORRECT-ANSWERSstimulates the pancreas to secrete
bicarbonate-rich pancreatic juice into the duodenum
CCK - CORRECT-ANSWERSslows down gastric motility and stimulates release
of bile and pancreatic juices into the small intestine
what signals CCK secretion - CORRECT-ANSWERSfat in the SI
chemist's terms for carbohydrates - CORRECT-ANSWERScarbohydrates,
glucose, monosaccharides, disaccharides, polysaccharides
commons terms for carbs - CORRECT-ANSWERScarbs, starch, sugar, fiber
if you have no carbs in your diet - CORRECT-ANSWERScarbs keep your brain
and nerve cells working, protein will be converted to glucose and get used as
energy (gluconeogenesis)
protein sparing - CORRECT-ANSWERSthe body using other sources for energy
other than protein. this can't happen if you're not ingesting enough carbs
glucose - CORRECT-ANSWERSblood sugar, the ho is at the bottom of the
structure, six sides; CH2OH on the 6th carbon; 6 member ring, active
transport
fructose - CORRECT-ANSWERSfruit sugar, 5 sides- looks like a house; HOCH2
on the 5th carbon and CH2OH on the first carbon; 5 member ring, facilitated
diffusion
starch - CORRECT-ANSWERSplant storage form of glucose ex. amylose, alpha
linkage; found in plants
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