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NLN-PAX LPN A&P exam with complete solutions 2024_2025.
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NLN-PAX LPN A&P exam with complete solutions 2024_2025.
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NLN-PAX LPN A&P exam with completesolutions 2024/2025
mechanical digestion - ANSWER-breaking food down into smaller pieces
chemical digestion - ANSWER-breaking nutrients into small molecules
hydrolysis - ANSWER-process by which chemical digestion takes place, splitting
molecules by adding water
hydrolases - ANSWER-chemical digestion is sped up by the action of digestive
enzymes
alimentary canal - ANSWER-tube from mouth to anus
accessory organs - ANSWER-liver, gallbladder, and pancreas in addition to the
alimentary canal
amylase - ANSWER-found in salivary gland,breaks down starch into smaller
carbohydrate molecules (monosaccharides and disaccharides)
pharynx - ANSWER-throat
esophagus - ANSWER-next to windpipe
epiglottis - ANSWER-covers windpipe
peristalis - ANSWER-muscular contractions that pass food through the
esophagus to the stomach
, gastric juice - ANSWER-made of up hydrochloric acid and proteases (protein
digesting enzymes)
chyme - ANSWER-mixture of stomach fluids and food produced in the stomach
by contracting stomach muscles
small intestine - ANSWER-may be up to 6 feet long, where most of the digestion
takes place, site where most nutrients are absorbed
liver - ANSWER-produces bile, stored in the gallbladder, which helps the
breakdown of fats
pancreas - ANSWER-supplies a number of enzymes needed for digestion
villi - ANSWER-The small intestine contains __________ which increase surface
area to help with the absorption of nutrients.
large intestine - ANSWER-responsible for reabsorbing water that has entered the
alimentary canal
egestion - ANSWER-elimination from the body
circulation - ANSWER-the internal transport of fluid throughout the body which
allows for the exchange of gases, the absorption of nutrients, and the disposal of
waste. made up of the cardiovascular system and lymphatic system, which
function together to achieve these goals
four chambers of the heart - ANSWER-two atria, two ventricles
atrioventricular valve - ANSWER-prevents backflow when the ventricles contract
deoxygenated oxygenated - ANSWER-blood from heart is ________. blood is then
__________ in the lungs.
systole - ANSWER-when the heart contracts, the pressure increases
diastole - ANSWER-when the heart relaxes, the pressure is lowered
coronary circulation - ANSWER-the circulation of blood to the heart
pulmonary circulation - ANSWER-the circulation of the blood in the lungs
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