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WorksheetsDIGESTIVE SYSTEM ⏐ 𝙼𝙲 𝟷
Total questions: 105
Worksheet time: 53mins
The TWO MAIN COMPONENTS of the digestive system are the (1) __________________ and the (2) ACCESSORY ORGANS (like your teeth, tongue, salivary glands, liver, gallbladder, and pancreas).
Alimentary Canal
Stomach
Esophagus
Small Interstine 𝚊𝚗𝚍 Large Intestine
Reorder the following structures starting from ingestion to excretion.
Oral Cavity
Pharynx
Esophagus
Stomach
Small Intestine 𝚊𝚗𝚍 Large Intestine
These are the THREE (3) BUILDING BLOCKS of the macronutrients. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.
Carbohydrates
Monosaccharides
Proteins
Amino Acids
Lipids/Fats
Glycerol 𝚊𝚗𝚍 Fatty Acids
These are proteins that act as biological catalysts by accelerating chemical reactions.
(a)
These are the THREE (3) GENERAL CLASSIFICATION OF ENZYMES that digest macronutrients. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.
Carbohydrates
Carbohydrases
Proteins
Proteases
Lipids/Fats
Lipases
Lactase, Sucrase, and Maltase are which type of digestive enzyme that breaks down disaccharides to monosaccharides?
(a)
The initial digestion of CARBOHYDRATES starts in the __________ and ends in the small intestine.
Oral Cavity
Pharynx
Esophagus
Stomach
Large Intestine
The initial digestion of CARBOHYDRATES starts with which of the following enzymes?
Salivary Amylase
Salivary Lipase
Pancreatic Amylase
Pancreatic Lipase
Pepsin
The final digestion of CARBOHYDRATES ends with which of the following enzymes where these carbohydrates are broken down to disaccharides?
Pancreatic Amylase
Disaccharidase
Lactase
Maltase
Sucrase
The final digestion of CARBOHYDRATES ends with which of the following enzymes where disaccharides are finally broken down to monosaccharides?
Disaccharidase
Pancreatic Amylase
Lactase
Sucrase
Maltase
The initial digestion of PROTEINS starts in the __________ and ends in the small intestine.
Stomach
Oral Cavity
Pharynx
Esophagus
Large Intestine
The initial digestion of PROTEINS starts with which of the following enzymes?
Pepsin
Salivary Amylase
Salivary Lipase
Pancreatic Amylase
Pancreatic Lipase
The final digestion of PROTEINS ends with enzymes Trypsin, Chymotrypsin, and __________?
Carboxypeptidase
Pepsin
Pepsinogen
Carbohydrase
Bile
The initial digestion of LIPIDS/FATS starts in the __________ and ends in the small intestine.
Oral Cavity
Pharynx
Esophagus
Stomach
Large Intestine
The initial digestion of LIPIDS/FATS starts with which of the following enzymes?
Salivary Lipase
Salivary Amylase
Pancreatic Lipase
Pancreatic Amylase
Pepsin
The final digestion of LIPIDS/FATS ends with which of the following enzymes?
Pancreatic Lipase
Bile
Trypsin
Chymotrypsin
Carboxypeptidase
The final digestion of LIPIDS/FATS ends with an emulsifier called __________ and an enzyme called Pancreatic Lipase?
Bile
Trypsin
Chymotrypsin
Carboxypeptidase
Salivary Lipase
This is the outermost tunic/layer of the GIT.
Serosa/Adventitia
Muscularis
Submucosa
Mucosa
This is the muscle tunic/layer of the GIT.
Muscularis
Serosa/Adventitia
Submucosa
Mucosa
This is the tunic/layer of the GIT where nerves, blood vessels, lymphatic vessels, and glands are found.
Submucosa
Serosa/Adventita
Muscularis
Mucosa
The innermost tunic/layer of the GIT.
Mucosa
Serosa/Adventita
Muscularis
Submucosa
These are the FOUR (4) LAYERS of the Alimentary Canal. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.
the outermost layer
Serosa
the muscle layer
Muscularis
the layer where nerves, blood vessels, lymphatic vessels, and glands are found
Submucosa
the innermost layer
Mucosa
These are network of nerves found in Tunica Muscularis of the GIT that is responsible for peristalsis.
(a)
The (a) is the superficial/outer muscle layer. While the (b) is the deep/inner muscle layer.
The (a) is the deep/inner muscle layer. The (b) is the superficial/outer muscle layer.
This is a sac or membrane made up of simple squamous epithelium called mesothelium that (1) lines the abdominal cavity 𝚊𝚗𝚍 (2) covers the organs.
(a)
The pleura is found in the chest/thoracic cavity. On the other hand, the (a) is found in the abdominal cavity.
The pleura is found in the chest/thoracic cavity. On the other hand, the peritoneum is found in the (a) .
The mesothelium in the pleura is made up of simple cuboidal epithelium. On the other hand, the mesothelium in the peritoneum is made up of made up of simple (a) epithelium.
The peritoneum is comprised of TWO (2) LAYERS. Which of these two is the serous membrane that lines the wall of the abdominal cavity?
Parietal Peritoneum
Visceral Peritoneum
The peritoneum is comprised of TWO (2) LAYERS. Which of these two is the one that covers organs.
Visceral Peritoneum
Parietal Peritoneum
The space between the PARIETAL PERITONEUM 𝚊𝚗𝚍 VISCERAL PERITONEUM is called __________.
Peritoneal Cavity
Abdominal Cavity
Peritoneal Fluid
Peritoneum
This serves as lubricant to prevent friction between the PARIETAL PERITONEUM 𝚊𝚗𝚍 VISCERAL PERITONEUM is called __________.
Peritoneal Fluid
Peritoneum
Peritoneal Cavity
Abdominal Cavity
Organs within the peritoneum are called __________.
Intraperitoneal Organs
Retroperitoneal Organs
Cecum, jejunum, stomach, sigmoid colon, ileum, and transverse colon are __________.
Intraperitoneal Organs
Retroperitoneal Organs
Organs outside the peritoneum are called __________.
Retroperitoneal Organs
Intraperitoneal Organs
Suprarenal glands, ascending colon, duodenum, descending colon, pancreas, ureters, urinary bladder, kidneys, esophagus, and rectum are __________.
Retroperitoneal Organs
Intraperitoneal Organs
The longest portion of the Alimentary Canal or Gastrointestinal Tract.
Small Intestine
Pharynx
Esophagus
Stomach
Large Intestine
Our teeth are bones.
False
True
The strongest substance in the human body that is found in the oral cavity.
(a)
These are the THREE (3) PARTS OF A TOOTH. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.
visible portion
Crown
smallest/middle portion
Neck
largest portion
Root
These are the THREE (3) KINDS OF A TEETH. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.
best for cutting (middlemost teeth)
Incisors
best for stabilizing (pointed teeth/fangs)
Canines
best for chewing (posterior teeth)
Premolars 𝚊𝚗𝚍 Molars
This is the act or process of chewing.
Mastication
Deglutition
Ingestion
Absorption
Excretion
This is the act or process of swallowing.
Deglutition
Mastication
Ingestion
Absorption
Excretion
This structure in the Oral Cavity contains the Orbicularis Oris.
Lips
Cheeks
Tongue
Palate
This structure in the Oral Cavity contains the Buccinator Muscle.
Cheeks
Lips
Tongue
Palate
The tongue is made up of __________.
Skeletal Muscles
Smooth Muscles
Cardiac Muscles
Children have a set of (a) DECIDUOUS TEETH 𝚊𝚔𝚊 Primary Teeth. Adults have a set of (b) PERMANENT TEETH 𝚊𝚔𝚊 Secondary Teeth.
Children have a set of 20 (a) 𝚊𝚔𝚊 Primary Teeth. Adults have a set of 32 (b) 𝚊𝚔𝚊 Secondary Teeth.
Children have a set of 20 DECIDUOUS TEETH 𝚊𝚔𝚊 (a) . Adults have a set of 32 PERMANENT TEETH 𝚊𝚔𝚊 (b) .
BOX A in this illustration is your __________.
Central Incisor
Canine
First Premolar
Third Molar
BOX B in this illustration is your __________.
Canine
Central Incissor
First Premolar
Third Molar
BOX C in this illustration is your __________.
First Premolar
Central Incissor
Canine
Third Molar
BOX D in this illustration is your __________.
Third Molar
Central Incisor
Canine
First Premolar
The (a) is the anterior portion of the mouth's roof. While the (b) is the posterior portion of the mouth's roof.
The (a) is the posterior portion of the mouth's roof. While the (b) is the anterior portion of the mouth's roof.
These are the THREE (3) MAJOR SALIVARY GLANDS. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.
the largest salivary gland
Parotid Gland
the smallest salivary gland
Sublingual Gland
the only salivary gland that produces more serous but thin mucus secretion
Submandibular Gland
These are the FOUR (4) SECRETIONS of salivary glands. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.
initial digestion of carbohydrates
Salivary Amylase
initial digestion of lipids/fats
Salivary Lipase
antimicrobial agents
Lysozymes
lubrication
Mucin
These are the THREE (3) DUCTS of salivary glands. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.
Stensen's Ducts
Parotid Gland
Wharton's Ducts
Submandibular Gland
Rivinus' Ducts
Sublingual Gland
This section of the pharynx is 𝚊𝚔𝚊 laryngopharynx.
Hypopharynx
Nasopharynx
Oropharynx
The pharynx is both used by the digestive and respiratory system. Which 2 out of the 3 sections are used by the digestive system?
Oropharynx 𝚊𝚗𝚍 Hypopharynx
Nasopharynx 𝚊𝚗𝚍 Oropharynx
Nasopharynx 𝚊𝚗𝚍 Hypopharynx
Hypopharynx 𝚊𝚗𝚍 Laryngopharynx
This is a lid or flap just above the larynx that prevents food and drink from entering the trachea or windpipe.
(a)
What happens during deglutition? 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.
pushes bolus down to the esophagus
Tongue
prevents bolus from going to nose
Uvula
prevents bolus from going to the trachea
Epiglottis
This is the wave-like contraction and relaxation of muscles that move the food from the pharynx to the intestines.
(a)
The part of the gut where the strongest peristalsis is present.
Stomach
Pharynx
Esophagus
Small Intestine
Large Intestine
This is short and concave curvature on the right side of the stomach.
Lesser Curvature
Greater Curvature
This is the long and convex curvature on the left side of the stomach.
Greater Curvature
Lesser Curvature
These are the FIVE (5) SPHINCTERS found in the Alimentary Canal. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.
at the entrance to the esophagus
Upper Esophageal Sphincter
at the bottom of the esophagus
Lower Esophageal Shincter
at the distal end of the stomach
Pyloric Sphincter
between the small instestine 𝚊𝚗𝚍 large intestine
Ileocecal Sphincter
at the opening of the anus
Anal Sphincter
The Inferior Pharyngeal Sphincter is 𝚊𝚔𝚊 __________?
Upper Esophageal Sphincter
Lower Esophageal Sphincter
Pyloric Sphincter
Anal Sphincter
The Upper Esophageal Sphincter is 𝚊𝚔𝚊 __________?
Inferior Pharyngeal Sphincter
Cardiac Sphincter
Pyloric Sphincter
Anal Sphincter
The Lower Esophageal Sphincter is 𝚊𝚔𝚊 __________?
Cardiac Sphincter
Inferior Pharyngeal Sphincter
Pyloric Sphincter
Anal Sphincter
The Cardiac Sphincter is 𝚊𝚔𝚊 __________?
Lower Esophageal Sphincter
Upper Esophageal Sphincter
Pyloric Sphincter
Anal Sphincters
Identify the term being asked. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.
chewed food +saliva
Bolus
bolus +gastric juices
Chyme
chyme +intestinal juices & bile
Chyle
The food you ate (now in the form of bolus) is currently in your oral cavity. Reorder the following as to its next pathways.
Pharynx
🚪 Upper Esophageal Sphincter
Esophagus
🚪 Lower Esophageal Sphincter
Stomach
The food you ate (now in the form of chyme) is currently in your stomach. Reorder the following as to its next pathways.
🚪 Pyloric Sphincter
Deduonum
Jejunum
Ileum
🚪 Ileocecal Sphincter
The food you ate (now in the form of chyle) is currently in the ileum of your small intestine. Reorder the following as to its next pathways.
🚪 Ileocecal Sphincter
Cecum
Ascending Colon
Transverse Colon
Descending Colon
The food you ate is now in the descending colon of your large intestine. Reorder the following as to its next pathways.
Sigmoid Colon
Rectum
Anal Canal
🚪 Internal Anal Sphincter
🚪 External Anal Sphincters
The appendix is attached to which of these structures.
Cecum
Duodenum
Jejunum
Ileum
Sigmoid
These are the THREE (3) PARTS of your small intestine. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.
the shortest portion
Duodenum
the portion where most absorption occurs
Jejunum
the longest portion
Ileum
Which of the SIX (6) MAIN COMPONENTS of the alimentary canal is the site for most absorption and digestion.
(a)
Which of the THREE (3) MAIN COMPONENTS of the small intestine is the site for most absorption and digestion.
(a)
The shortest portion of the small intestine.
Duodenum
Jejunum
Ileum
Cecum
Rectum
The portion of the small intestine where most digestion and absorption take place.
Jejunum
Duodenum
Ileum
Cecum
Rectum
The longest portion of the small intestine.
Ileum
Duodenum
Jejunum
Cecum
Rectum
Chemical digestion in the small intestine relies on the activities of the three (3) accessory digestive organs: the liver, pancreas, and gallbladder. They all secrete their digestive juices via an orifice at the (a) called Ampulla of Vater 𝚊𝚔𝚊 Hepatopancreatic Ampulla.
Chemical digestion in the small intestine relies on the activities of the three (3) accessory digestive organs: the liver, pancreas, and gallbladder. They all secrete their digestive juices via an orifice at the duodenum called (a) 𝚊𝚔𝚊 Hepatopancreatic Ampulla.
Chemical digestion in the small intestine relies on the activities of the three (3) accessory digestive organs: the liver, pancreas, and gallbladder. They all secrete their digestive juices via an orifice at the duodenum called Ampulla of Vater 𝚊𝚔𝚊 (a) .
These are the THREE (3) PARTS of the small intestine + sphincters. Reorder from proximal to distal.
🚪 Pyloric Sphincter
Duodenum
Jejunum
Ileum
🚪 Ileocecal Sphincter
These are the FIVE (5) SECRETIONS of your small intestines. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.
to protect from the acidic environment of the gut
Mucus
to break down fats
Lipase
to break down proteins
Protease
to break down carbohydrates to disaccharides
Amylase
to break down disaccharides to monosaccharides
Disaccharidase
Which secretion helps the stomach so that it doesn't get corroded, digestive, and/or dissolved in its own Hydrochloric Acid?
(a)
Which secretion, aside from mucus, helps the small intestine so that it doesn't get corroded, digestive, and/or dissolved by Hydrochloric Acid once the pyloric sphincter allow the passage or entry of chyme to the duodenum?
(a)
The largest internal organ of the human body.
Liver
Skin
Gallbladder
Pancreas
Stomach
The (a) produces bile and the (b) stores these bile and release it when needed.
Bile is (a) . Hydrochloric Acid is (b) .
Hydrochloric Acid is (a) . Bile is (b) .
Carbohydrates are absorbed in the (a) of the small intestine's villi.
Proteins are absorbed in the (a) found in the villi that are lining the small intestine.
Fats are absorbed in the (a) found in the villi that are lining the small intestine.
These are the FOUR (4) PARTS of the large intestine. Reorder starting from the Ileocecal Sphincter.
Cecum
The Four Colon
Rectum
Anus
These are the parts of the large intestine. Reorder starting from the Ileocecal Sphincter.
Cecum
Ascending Colon
Transverse Colon
Descending Colon
Sigmoid Colon
The internal anal sphincter is made up of (a) while the external anal sphincter is (b) .
The external anal sphincter is made up of (a) while the internal anal sphincter is (b) .
This occurs when feces over-distend the rectal wall.
Defecation Reflex
Absorption
Digestion
Mastication 𝚊𝚗𝚍 Deglutition.
Feces are made up of __________ water.
75%
25%
50%
100%
How much water is lost in feces?
100-200 𝚖𝚕
200-300 𝚖𝚕
300-400 𝚖𝚕
400-500 𝚖𝚕
