NLN PAX Human Anatomy and
Physiology EXAM 140 QUESTIONS
WITH CORRECT VERIFIED ANSWERS
2025-2026
mechanical digestion
physically breaking food into smaller pieces; chewing
chemical digestion
breaking nutrients into small molecules
hydrolysis
splitting molecules by adding water; process by which chemical
digestion occurs
enzymes
biological catalysts
,anus
the opening at the end of the alimentary canal through which solid
waste matter leaves the body
alimentary canal
a tube that extends between the mouth and the anus and is
organized into special regions that carry out specific phases of
the digestive system
accessory organs
in relation to digestive system: liver, gallbladder, and pancreas
increase
If you _____ the surface area, it becomes easier to swallow and
digest food.
, salivary glands
releases saliva in the presence of food
amylase
enzyme that breaks down starch into smaller carbohydrate
molecules
pharynx
throat; leads to windpipe and esophagus
esophagus
passage between pharynx and stomach
epiglottis
covers the top of the windpipe during swallowing to prevent food
Physiology EXAM 140 QUESTIONS
WITH CORRECT VERIFIED ANSWERS
2025-2026
mechanical digestion
physically breaking food into smaller pieces; chewing
chemical digestion
breaking nutrients into small molecules
hydrolysis
splitting molecules by adding water; process by which chemical
digestion occurs
enzymes
biological catalysts
,anus
the opening at the end of the alimentary canal through which solid
waste matter leaves the body
alimentary canal
a tube that extends between the mouth and the anus and is
organized into special regions that carry out specific phases of
the digestive system
accessory organs
in relation to digestive system: liver, gallbladder, and pancreas
increase
If you _____ the surface area, it becomes easier to swallow and
digest food.
, salivary glands
releases saliva in the presence of food
amylase
enzyme that breaks down starch into smaller carbohydrate
molecules
pharynx
throat; leads to windpipe and esophagus
esophagus
passage between pharynx and stomach
epiglottis
covers the top of the windpipe during swallowing to prevent food
