Nutrition Lesson 2 From Quizzes
What organ produces bile? Pancreas Stomach Gallbladder Liver
Liver
What substance protects the stomach lining from damage due to digestive juices? Muscle Fat Mucus Bicarbonate
Mucus
Which of the following prevents the backflow of chyme from the small intestines into the stomach? Upper esophageal sphincter Lower esophageal sphincter Pyloric sphincter Ileocecal valve
Pyloric sphincter
Which of the following prevents the backflow of chyme from the small intestines into the stomach? Upper esophageal sphincter Lower esophageal sphincter Pyloric sphincter Ileocecal valve
Pyloric sphincter
The purpose of bicarbonate in the digestive process is to: Lower the pH of chyme Emulsify fats Initiate carbohydrate digestion Raise the pH of chyme
Raise the pH of chyme
Circular muscles that intersect the intestines and contract and expand to push food through the digestive tract is known as this kind of action: Peristalsis Motility Segmentation Grinding
Segmentation
Nutrients that pass freely into intestinal cells and then into blood are absorbed by: Active transport Simple diffusion Facilitated transport Active diffusion
Simple diffusion
Nutrients that pass freely into intestinal cells and then into blood are absorbed by: Active transport Simple diffusion Facilitated transport Active diffusion
Simple diffusion
Bands of muscle that open and close to control the movement of food through the GI tract are: Sphincters Circular muscles Longitudinal muscles Diagonal muscles
Sphincters
Bands of muscle that open and close to control the movement of food through the GI tract are: Sphincters Circular muscles Longitudinal muscles Diagonal muscles
Sphincters
The main function of bile is to emulsify dietary fats. True False
True
The main function of bile is to emulsify dietary fats. True False
True
The term "microbiota" describes the bacteria, viruses, fungi and other microorganisms that live in the GI tract. True False
True
Finger-like projections from the folds of the small intestine are: Crypts Villi Microvilli Goblet cells
Villi
Which of the following vitamins is produced by GI tract bacteria? Vitamin B12 Vitamin C Vitamin D Niacin
Vitamin B12
Which of the following hormones stimulates gastric cells to release hydrochloric acid? Lipase Secretin Gastrin Cholecystokinin
Gastrin
Which of the following is the medical term for "heartburn"? Irritable Bowel Syndrome ColitusCeliac Disease Gastroesophageal Reflux Disorder
Gastroesophageal Reflux Disorder
The pancreas produces digestive enzymes for which of the following nutrients? (Select all that apply) Carbohydrate Protein Vitamins Fat
Carbohydrate Protein Fat
Which of the following is an autoimmune disease in which gluten triggers an immune system reaction? Irritable Bowel Syndrome Colitus Celiac Disease Gastroesophageal Reflux Disorder
Celiac Disease
Which of the following hormones controls the release of bile into the small intestine? Lipase Secretin Gastrin Cholecystokinin
Cholecystokinin
Which of the following hormones controls the release of bile into the small intestine? Lipase Secretin Gastrin Cholecystokinin
Cholecystokinin
Inflammation of the large intestine is: Irritable Bowel Syndrome Colitus Celiac Disease Gastroesophageal Reflux Disorder
Colitus
Bulging "pockets" in the intestinal walls are known as: Hemorrhoids Diverticuli Colitus Peptic Ulcer
Diverticuli
A protein that facilitates a chemical reaction without incurring change is a(n): Emulsifier Enzyme Hormone Acid
Enzyme
A protein that facilitates a chemical reaction without incurring change is a(n): Emulsifier Enzyme Hormone Acid
Enzyme
Nutrients that require a specific carrier to take them from one side of the cell membrane to the other are absorbed by: Active transport Simple diffusion Facilitated transport Active diffusion
Facilitated transport
All nutrients are transported from the digestive tract to the liver. True False
False
All nutrients are transported from the digestive tract to the liver. True False
False
Celiac disease is the most common digestive disorder. True False
False
Celiac disease is the most common digestive disorder. True False
False
Lymph goes to the liver before being added to the bloodstream. True False
False
The pathway food takes through the digestive tract is mouth, esophagus, stomach, large intestine, small intestine. True False
False
Which of the following nutrients are absorbed into lymph? Monosaccharides Amino acids Minerals Fat-soluble vitamins
Fat-soluble vitamins
Prebiotics are: Foods that contain live microbes Food components that encourage the growth and activity of beneficial GI tract bacteria Supplements that contain live bacteria Food components that encourage the growth and activity of fungi in the GI tract
Food components that encourage the growth and activity of beneficial GI tract bacteria
Which vessel collects blood from the GI tract and conducts it to the liver? Hepatic artery Hepatic portal vein Aorta Lymph vessels
Hepatic portal vein
Which vessel collects blood from the GI tract and conducts it to the liver? Hepatic artery Hepatic portal vein Aorta Lymph vessels
Hepatic portal vein
Which of the following is a common GI disorder that affects GI motility causing either diarrhea or constipation? Irritable Bowel Syndrome Colitus Celiac Disease Gastroesophageal Reflux Disorder
Irritable Bowel Syndrome
A lesion in the lining of the stomach is known as a(n): Hemorrhoids Diverticuli Colitus Peptic Ulcer
Peptic Ulcer
Wave-like contractions that propel food through the GI tract is an action known as: Peristalsis Motility Segmentation Grinding
Peristalsis
What is a function of the pyloric sphincter? Allows passage of food into the esophagus Prevents backflow from the stomach into the esophagus Prevents backflow from the small intestine into the stomach Allows passage of chyme from the small intestine into the large intestine
Prevents backflow from the small intestine into the stomach
Which of the GI tract organs has the strongest muscles? The small intestine The stomach The esophagus The large intestine
The stomach
What is the digestive purpose of hydrochloric acid in the stomach? To digest carbohydrate To uncoil protein To break up fat globules To break down salivary amylase
To uncoil protein
All digestion and absorption processes are regulated by hormones and the nervous system. True False
True
