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WorksheetsCIDESCO: Digestive System
Total questions: 34
Worksheet time: 17mins
The main purpose of digestion is to:
Make the food soluble
Build up larger molecules
Provide many different types of molecules for absorption
Make the passage of food along the digestive tract easier
The epiglottis lies between:
The duodenum and the trachea
The throat and the esophagus
The esophagus and the stomach
The stomach and the duodenum
This is a list of some of the parts of the alimentary canal: 1 esophagus; 2 colon; 3 colon; 4 stomach. Which of the following sequences then represents the correct order in which food passes through them?
1 4 2 3
3 1 2 4
1 4 3 2
1 2 3 4
Which of the following is an accessory organs of the digestive tract?
Stomach
Mouth
Liver
Large intestine
Which one of the following enzymes attacks starch?
Maltase
Sucrase
Lactase
Amylase
An enzyme which clots milk is produced in the:
Mouth
Stomach
Duodenum
Pancreas
Gastric juice is composed of:
Only mucus and enzymes
Only enzymes and hydrochloric acid and mucus
Only hydrochloric acid and mucus
Mucus, enzymes and hydrochloric acid
An enzyme that needs a highly acid background in which to work:
Amylase (Pepsin)
Pepsin
Trypain
Lipase
Gastric juice is composed of:
Only mucus and enzymes
Only enzymes and hydrochloric acid and mucus
Only hydrochloric acid and mucus
Mucus, enzymes and hydrochloric acid
An enzyme that needs a highly acid background in which to work:
Amylase (pepsin)
Pepsin
Trypsin
Lipase
One of the following processes which does not occur in the stomach is:
Storage of food
Digestion of proteins
Digestion of sugars
Addition of hydrochloric acid
Under normal circumstances stomach produces:
Pepsin and hydrochloric acid
Lipase and amylase
Trypsin and pepsin
Bile and hydrochloric acid
The secretory duct of the pancreas discharges into the:
Stomach
Duodenum
Gallbladder
Ileum
Which of the following statements about food as it enters the duodenum is incorrect?
Sugars are changed into glucose
Starch Is changed into maltose
Fats are absorbed
Proteins are changed into peptones
The chemical digestion of proteins begins in the:
Mouth
Duodenum
Stomach
Ileum
The digestion of fats begins in the:
Mouth
Stomach
Esophagus
Duodenum
Fatty foods are attacked by:
Trypsin
Amylase
Lipase
Pepsin
Proteins are digested by:
Amylase
Lipase
Trypsin
Insulin
Which one of the following is not produced in the pancreas?
Lipase
Pepsin
Trypsin
Insulin
The hepatic portal vein carries soluble foods:
From the liver to the heart
From the stomach to the liver
From the illium to the liver
From the liver to the kidney
Poisons are made harmless in the body by:
Kidneys
Liver
Small intestine
Large intestine
Which one of the following is not a function of the liver?
Excretion of uric acid
Formation of bile
Regulation of blood sugar
Supplier of body heat
Carbohydrates are stored in the muscles and liver as:
Glucose
Glucagon
Glycogen
Sucrose
Which one of the following is not a function of the liver?
Stores iron
Forms bile
Regulates blood sugar
Gets rid of uric acid
Glucose can be stored as glycogen in:
Areolar tissue
The liver
The stomach
The colon
The effect of bile upon fats as
Digestion
Hydrolysis
Emulsification
Saponification
The word that best describes the action of bile on fats is it:
Digests
Emulsifies
Neutralizes
Dissolves
The function of bile is to:
Break up fats
Break down fats
Digest fats
Emulsify fats
Villi in the small intestine:
Increase the surface area of the organ and absorbs nutrients
Absorb nutrients and lymph
Absorb the blood and increase the surface area of the organ
Absorbs blood and lymph
The process that takes place in the illium is:
Absorption
Ingestion
Digestion
Excretion
A substance that is not in the end product of digestion is:
Glucose
Glycerol
Amino acids
Maltose
Digested food is mainly absorbed in the:
Stomach
Small intestine
Large intestine
Duodenum
Nutrients are mainly absorbed in the:
Stomach
Duodenum
Small intestine
Large intestine
Water is mainly absorbed in the:
Large intestine
Small intestine
Ileum
Duodenum
