Digestive & Nutrition Exam Review
ACTUAL UPDATED QUESTIONS AND
CORRECT ANSWERS
Primary function of the digestive system - CORRECT ANSWERS✅✅Break down food and
absorb nutrients
Alimentary canal organs - CORRECT ANSWERS✅✅Tube-like digestive organs from
mouth to anus (ex: stomach, small intestine, esophagus)
Mucosa - CORRECT ANSWERS✅✅Innermost layer of the digestive tract
Mastication - CORRECT ANSWERS✅✅Mechanical breakdown of food by chewing
Chemical digestion of carbohydrates begins - CORRECT ANSWERS✅✅Mouth
Cardiac sphincter - CORRECT ANSWERS✅✅Prevents acid reflux from stomach into
esophagus
Liver's role in digestion - CORRECT ANSWERS✅✅Produces bile to help digest fats
Gallbladder - CORRECT ANSWERS✅✅Stores bile until needed in the small intestine
Appendicitis - CORRECT ANSWERS✅✅Inflammation of the appendix
Peristalsis - CORRECT ANSWERS✅✅Wave-like contractions that move food through the
digestive tract
Pancreas functions - CORRECT ANSWERS✅✅Produces digestive enzymes and regulates
blood sugar with insulin/glucagon
, Celiac disease - CORRECT ANSWERS✅✅Autoimmune reaction to gluten
Where most water absorption occurs - CORRECT ANSWERS✅✅Large intestine
Chyme - CORRECT ANSWERS✅✅Food mixed with gastric juices in the stomach
Cause of GERD - CORRECT ANSWERS✅✅Weak lower esophageal sphincter allowing
acid into the esophagus
Main energy source for the body - CORRECT ANSWERS✅✅Carbohydrates
Vitamin D - CORRECT ANSWERS✅✅Essential for calcium absorption and bone health
LDL cholesterol - CORRECT ANSWERS✅✅"Bad" cholesterol that increases heart disease
risk
Bulimia nervosa - CORRECT ANSWERS✅✅Binge eating followed by purging
Potassium - CORRECT ANSWERS✅✅Mineral important for fluid balance and muscle
function
GERD malfunction - CORRECT ANSWERS✅✅Lower esophageal sphincter doesn't close
properly
Insufficient insulin production - CORRECT ANSWERS✅✅Leads to inability to regulate
blood sugar (risk of diabetes)
Importance of fiber - CORRECT ANSWERS✅✅Helps form bulky, soft stools and prevents
constipation
Lactose intolerance - CORRECT ANSWERS✅✅Lack of lactase enzyme needed to digest
lactose
ACTUAL UPDATED QUESTIONS AND
CORRECT ANSWERS
Primary function of the digestive system - CORRECT ANSWERS✅✅Break down food and
absorb nutrients
Alimentary canal organs - CORRECT ANSWERS✅✅Tube-like digestive organs from
mouth to anus (ex: stomach, small intestine, esophagus)
Mucosa - CORRECT ANSWERS✅✅Innermost layer of the digestive tract
Mastication - CORRECT ANSWERS✅✅Mechanical breakdown of food by chewing
Chemical digestion of carbohydrates begins - CORRECT ANSWERS✅✅Mouth
Cardiac sphincter - CORRECT ANSWERS✅✅Prevents acid reflux from stomach into
esophagus
Liver's role in digestion - CORRECT ANSWERS✅✅Produces bile to help digest fats
Gallbladder - CORRECT ANSWERS✅✅Stores bile until needed in the small intestine
Appendicitis - CORRECT ANSWERS✅✅Inflammation of the appendix
Peristalsis - CORRECT ANSWERS✅✅Wave-like contractions that move food through the
digestive tract
Pancreas functions - CORRECT ANSWERS✅✅Produces digestive enzymes and regulates
blood sugar with insulin/glucagon
, Celiac disease - CORRECT ANSWERS✅✅Autoimmune reaction to gluten
Where most water absorption occurs - CORRECT ANSWERS✅✅Large intestine
Chyme - CORRECT ANSWERS✅✅Food mixed with gastric juices in the stomach
Cause of GERD - CORRECT ANSWERS✅✅Weak lower esophageal sphincter allowing
acid into the esophagus
Main energy source for the body - CORRECT ANSWERS✅✅Carbohydrates
Vitamin D - CORRECT ANSWERS✅✅Essential for calcium absorption and bone health
LDL cholesterol - CORRECT ANSWERS✅✅"Bad" cholesterol that increases heart disease
risk
Bulimia nervosa - CORRECT ANSWERS✅✅Binge eating followed by purging
Potassium - CORRECT ANSWERS✅✅Mineral important for fluid balance and muscle
function
GERD malfunction - CORRECT ANSWERS✅✅Lower esophageal sphincter doesn't close
properly
Insufficient insulin production - CORRECT ANSWERS✅✅Leads to inability to regulate
blood sugar (risk of diabetes)
Importance of fiber - CORRECT ANSWERS✅✅Helps form bulky, soft stools and prevents
constipation
Lactose intolerance - CORRECT ANSWERS✅✅Lack of lactase enzyme needed to digest
lactose
