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DIGESTIVE SYSTEM ⏐ 𝙼𝙲 𝟷

Total questions: 105

Worksheet time: 53mins

Name
Class
Date
1.

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).

a)

Alimentary Canal

b)

Stomach

c)

Esophagus

d)

Small Interstine 𝚊𝚗𝚍 Large Intestine

2.

Reorder the following structures starting from ingestion to excretion.

a)

Oral Cavity

b)

Pharynx

c)

Esophagus

d)

Stomach

e)

Small Intestine 𝚊𝚗𝚍 Large Intestine

1)
2)
3)
4)
5)
3.

These are the THREE (3) BUILDING BLOCKS of the macronutrients. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.

a)

Carbohydrates

1.

Monosaccharides

b)

Proteins

2.

Amino Acids

c)

Lipids/Fats

3.

Glycerol 𝚊𝚗𝚍 Fatty Acids

4.

These are proteins that act as biological catalysts by accelerating chemical reactions.

(a)  

5.

These are the THREE (3) GENERAL CLASSIFICATION OF ENZYMES that digest macronutrients. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.

a)

Carbohydrates

1.

Carbohydrases

b)

Proteins

2.

Proteases

c)

Lipids/Fats

3.

Lipases

6.

Lactase, Sucrase, and Maltase are which type of digestive enzyme that breaks down disaccharides to monosaccharides?

(a)  

7.

The initial digestion of CARBOHYDRATES starts in the __________ and ends in the small intestine.

a)

Oral Cavity

b)

Pharynx

c)

Esophagus

d)

Stomach

e)

Large Intestine

8.

The initial digestion of CARBOHYDRATES starts with which of the following enzymes?

a)

Salivary Amylase

b)

Salivary Lipase

c)

Pancreatic Amylase

d)

Pancreatic Lipase

e)

Pepsin

9.

The final digestion of CARBOHYDRATES ends with which of the following enzymes where these carbohydrates are broken down to disaccharides?

a)

Pancreatic Amylase

b)

Disaccharidase

c)

Lactase

d)

Maltase

e)

Sucrase

10.

The final digestion of CARBOHYDRATES ends with which of the following enzymes where disaccharides are finally broken down to monosaccharides?

a)

Disaccharidase

b)

Pancreatic Amylase

c)

Lactase

d)

Sucrase

e)

Maltase

11.

The initial digestion of PROTEINS starts in the __________ and ends in the small intestine.

a)

Stomach

b)

Oral Cavity

c)

Pharynx

d)

Esophagus

e)

Large Intestine

12.

The initial digestion of PROTEINS starts with which of the following enzymes?

a)

Pepsin

b)

Salivary Amylase

c)

Salivary Lipase

d)

Pancreatic Amylase

e)

Pancreatic Lipase

13.

The final digestion of PROTEINS ends with enzymes Trypsin, Chymotrypsin, and __________?

a)

Carboxypeptidase

b)

Pepsin

c)

Pepsinogen

d)

Carbohydrase

e)

Bile

14.

The initial digestion of LIPIDS/FATS starts in the __________ and ends in the small intestine.

a)

Oral Cavity

b)

Pharynx

c)

Esophagus

d)

Stomach

e)

Large Intestine

15.

The initial digestion of LIPIDS/FATS starts with which of the following enzymes?

a)

Salivary Lipase

b)

Salivary Amylase

c)

Pancreatic Lipase

d)

Pancreatic Amylase

e)

Pepsin

16.

The final digestion of LIPIDS/FATS ends with which of the following enzymes?

a)

Pancreatic Lipase

b)

Bile

c)

Trypsin

d)

Chymotrypsin

e)

Carboxypeptidase

17.

The final digestion of LIPIDS/FATS ends with an emulsifier called __________ and an enzyme called Pancreatic Lipase?

a)

Bile

b)

Trypsin

c)

Chymotrypsin

d)

Carboxypeptidase

e)

Salivary Lipase

18.

This is the outermost tunic/layer of the GIT.

a)

Serosa/Adventitia

b)

Muscularis

c)

Submucosa

d)

Mucosa

19.

This is the muscle tunic/layer of the GIT.

a)

Muscularis

b)

Serosa/Adventitia

c)

Submucosa

d)

Mucosa

20.

This is the tunic/layer of the GIT where nerves, blood vessels, lymphatic vessels, and glands are found.

a)

Submucosa

b)

Serosa/Adventita

c)

Muscularis

d)

Mucosa

21.

The innermost tunic/layer of the GIT.

a)

Mucosa

b)

Serosa/Adventita

c)

Muscularis

d)

Submucosa

22.

These are the FOUR (4) LAYERS of the Alimentary Canal. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.

a)

the outermost layer

1.

Serosa

b)

the muscle layer

2.

Muscularis

c)

the layer where nerves, blood vessels, lymphatic vessels, and glands are found

3.

Submucosa

d)

the innermost layer

4.

Mucosa

23.

These are network of nerves found in Tunica Muscularis of the GIT that is responsible for peristalsis.

(a)  

24.

The ​ (a)   is the superficial/outer muscle layer. While the ​ (b)   is the deep/inner muscle layer.

Choose from the below words
LONGITUDINAL MUSCULARIS
CIRCULAR MUSCULARIS
25.

The ​ (a)   is the deep/inner muscle layer. The ​ (b)   is the superficial/outer muscle layer.

Choose from the below words
CIRCULAR MUSCULARIS
LONGITUDINAL MUSCULARIS
26.

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)  

27.

The pleura is found in the chest/thoracic cavity. On the other hand, the (a)   is found in the abdominal cavity.

28.

The pleura is found in the chest/thoracic cavity. On the other hand, the peritoneum is found in the (a)   .

29.

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.

30.

The peritoneum is comprised of TWO (2) LAYERS. Which of these two is the serous membrane that lines the wall of the abdominal cavity?

a)

Parietal Peritoneum

b)

Visceral Peritoneum

31.

The peritoneum is comprised of TWO (2) LAYERS. Which of these two is the one that covers organs.

a)

Visceral Peritoneum

b)

Parietal Peritoneum

32.

The space between the PARIETAL PERITONEUM 𝚊𝚗𝚍 VISCERAL PERITONEUM is called __________.

a)

Peritoneal Cavity

b)

Abdominal Cavity

c)

Peritoneal Fluid

d)

Peritoneum

33.

This serves as lubricant to prevent friction between the PARIETAL PERITONEUM 𝚊𝚗𝚍 VISCERAL PERITONEUM is called __________.

a)

Peritoneal Fluid

b)

Peritoneum

c)

Peritoneal Cavity

d)

Abdominal Cavity

34.

Organs within the peritoneum are called __________.

a)

Intraperitoneal Organs

b)

Retroperitoneal Organs

35.

Cecum, jejunum, stomach, sigmoid colon, ileum, and transverse colon are __________.

a)

Intraperitoneal Organs

b)

Retroperitoneal Organs

36.

Organs outside the peritoneum are called __________.

a)

Retroperitoneal Organs

b)

Intraperitoneal Organs

37.

Suprarenal glands, ascending colon,  duodenum, descending colon, pancreas, ureters, urinary bladder, kidneys, esophagus, and rectum are __________.

a)

Retroperitoneal Organs

b)

Intraperitoneal Organs

38.

The longest portion of the Alimentary Canal or Gastrointestinal Tract.

a)

Small Intestine

b)

Pharynx

c)

Esophagus

d)

Stomach

e)

Large Intestine

39.

Our teeth are bones.

a)

False

b)

True

40.

The strongest substance in the human body that is found in the oral cavity.

(a)  

41.

These are the THREE (3) PARTS OF A TOOTH. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.

a)

visible portion

1.

Crown

b)

smallest/middle portion

2.

Neck

c)

largest portion

3.

Root

42.

These are the THREE (3) KINDS OF A TEETH. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.

a)

best for cutting (middlemost teeth)

1.

Incisors

b)

best for stabilizing (pointed teeth/fangs)

2.

Canines

c)

best for chewing (posterior teeth)

3.

Premolars 𝚊𝚗𝚍 Molars

43.

This is the act or process of chewing.

a)

Mastication

b)

Deglutition

c)

Ingestion

d)

Absorption

e)

Excretion

44.

This is the act or process of swallowing.

a)

Deglutition

b)

Mastication

c)

Ingestion

d)

Absorption

e)

Excretion

45.

This structure in the Oral Cavity contains the Orbicularis Oris.

a)

Lips

b)

Cheeks

c)

Tongue

d)

Palate

46.

This structure in the Oral Cavity contains the Buccinator Muscle.

a)

Cheeks

b)

Lips

c)

Tongue

d)

Palate

47.

The tongue is made up of __________.

a)

Skeletal Muscles

b)

Smooth Muscles

c)

Cardiac Muscles

48.

Children have a set of ​ (a)   DECIDUOUS TEETH 𝚊𝚔𝚊 Primary Teeth. Adults have a set of ​ (b)   PERMANENT TEETH 𝚊𝚔𝚊 Secondary Teeth.

Choose from the below words
20
32
49.

Children have a set of 20 ​ (a)   𝚊𝚔𝚊 Primary Teeth. Adults have a set of 32 ​ (b)   𝚊𝚔𝚊 Secondary Teeth.

Choose from the below words
DECIDUOUS TEETH
PERMANENT TEETH
50.

Children have a set of 20 DECIDUOUS TEETH 𝚊𝚔𝚊 ​ (a)   . Adults have a set of 32 PERMANENT TEETH 𝚊𝚔𝚊 ​ (b)   .

Choose from the below words
Primary Teeth
Secondary Teeth
51.

BOX A in this illustration is your __________.

a)

Central Incisor

b)

Canine

c)

First Premolar

d)

Third Molar

52.

BOX B in this illustration is your __________.

a)

Canine

b)

Central Incissor

c)

First Premolar

d)

Third Molar

53.

BOX C in this illustration is your __________.

a)

First Premolar

b)

Central Incissor

c)

Canine

d)

Third Molar

54.

BOX D in this illustration is your __________.

a)

Third Molar

b)

Central Incisor

c)

Canine

d)

First Premolar

55.

The ​ (a)   is the anterior portion of the mouth's roof. While the ​ (b)   is the posterior portion of the mouth's roof.

Choose from the below words
HARD PALATE
SOFT PALATE
56.

The ​ (a)   is the posterior portion of the mouth's roof. While the ​ (b)   is the anterior portion of the mouth's roof.

Choose from the below words
SOFT PALATE
HARD PALATE
57.
Question Image

These are the THREE (3) MAJOR SALIVARY GLANDS. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.

a)

the largest salivary gland

1.

Parotid Gland

b)

the smallest salivary gland

2.

Sublingual Gland

c)

the only salivary gland that produces more serous but thin mucus secretion

3.

Submandibular Gland

58.

These are the FOUR (4) SECRETIONS of salivary glands. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.

a)

initial digestion of carbohydrates

1.

Salivary Amylase

b)

initial digestion of lipids/fats

2.

Salivary Lipase

c)

antimicrobial agents

3.

Lysozymes

d)

lubrication

4.

Mucin

59.

These are the THREE (3) DUCTS of salivary glands. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.

a)

Stensen's Ducts

1.

Parotid Gland

b)

Wharton's Ducts

2.

Submandibular Gland

c)

Rivinus' Ducts

3.

Sublingual Gland

60.

This section of the pharynx is 𝚊𝚔𝚊 laryngopharynx.

a)

Hypopharynx

b)

Nasopharynx

c)

Oropharynx

61.

The pharynx is both used by the digestive and respiratory system. Which 2 out of the 3 sections are used by the digestive system?

a)

Oropharynx 𝚊𝚗𝚍 Hypopharynx

b)

Nasopharynx 𝚊𝚗𝚍 Oropharynx

c)

Nasopharynx 𝚊𝚗𝚍 Hypopharynx

d)

Hypopharynx 𝚊𝚗𝚍 Laryngopharynx

62.

This is a lid or flap just above the larynx that prevents food and drink from entering the trachea or windpipe.

(a)  

63.

What happens during deglutition? 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.

a)

pushes bolus down to the esophagus

1.

Tongue

b)

prevents bolus from going to nose

2.

Uvula

c)

prevents bolus from going to the trachea

3.

Epiglottis

64.

This is the wave-like contraction and relaxation of muscles that move the food from the pharynx to the intestines.

(a)  

65.

The part of the gut where the strongest peristalsis is present.

a)

Stomach

b)

Pharynx

c)

Esophagus

d)

Small Intestine

e)

Large Intestine

66.

This is short and concave curvature on the right side of the stomach.

a)

Lesser Curvature

b)

Greater Curvature

67.

This is the long and convex curvature on the left side of the stomach.

a)

Greater Curvature

b)

Lesser Curvature

68.

These are the FIVE (5) SPHINCTERS found in the Alimentary Canal. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.

a)

at the entrance to the esophagus

1.

Upper Esophageal Sphincter

b)

at the bottom of the esophagus

2.

Lower Esophageal Shincter

c)

at the distal end of the stomach

3.

Pyloric Sphincter

d)

between the small instestine 𝚊𝚗𝚍 large intestine

4.

Ileocecal Sphincter

e)

at the opening of the anus

5.

Anal Sphincter

69.

The Inferior Pharyngeal Sphincter is 𝚊𝚔𝚊 __________?

a)

Upper Esophageal Sphincter

b)

Lower Esophageal Sphincter

c)

Pyloric Sphincter

d)

Anal Sphincter

70.

The Upper Esophageal Sphincter is 𝚊𝚔𝚊 __________?

a)

Inferior Pharyngeal Sphincter

b)

Cardiac Sphincter

c)

Pyloric Sphincter

d)

Anal Sphincter

71.

The Lower Esophageal Sphincter is 𝚊𝚔𝚊 __________?

a)

Cardiac Sphincter

b)

Inferior Pharyngeal Sphincter

c)

Pyloric Sphincter

d)

Anal Sphincter

72.

The Cardiac Sphincter is 𝚊𝚔𝚊 __________?

a)

Lower Esophageal Sphincter

b)

Upper Esophageal Sphincter

c)

Pyloric Sphincter

d)

Anal Sphincters

73.

Identify the term being asked. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.

a)

chewed food +saliva

1.

Bolus

b)

bolus +gastric juices

2.

Chyme

c)

chyme +intestinal juices & bile

3.

Chyle

74.

The food you ate (now in the form of bolus) is currently in your oral cavity. Reorder the following as to its next pathways.

a)

Pharynx

b)

🚪 Upper Esophageal Sphincter

c)

Esophagus

d)

🚪 Lower Esophageal Sphincter

e)

Stomach

1)
2)
3)
4)
5)
75.

The food you ate (now in the form of chyme) is currently in your stomach. Reorder the following as to its next pathways.

a)

🚪 Pyloric Sphincter

b)

Deduonum

c)

Jejunum

d)

Ileum

e)

🚪 Ileocecal Sphincter

1)
2)
3)
4)
5)
76.

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.

a)

🚪 Ileocecal Sphincter

b)

Cecum

c)

Ascending Colon

d)

Transverse Colon

e)

Descending Colon

1)
2)
3)
4)
5)
77.

The food you ate is now in the descending colon of your large intestine. Reorder the following as to its next pathways.

a)

Sigmoid Colon

b)

Rectum

c)

Anal Canal

d)

🚪 Internal Anal Sphincter

e)

🚪 External Anal Sphincters

1)
2)
3)
4)
5)
78.

The appendix is attached to which of these structures.

a)

Cecum

b)

Duodenum

c)

Jejunum

d)

Ileum

e)

Sigmoid

79.
Question Image

These are the THREE (3) PARTS of your small intestine. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.

a)

the shortest portion

1.

Duodenum

b)

the portion where most absorption occurs

2.

Jejunum

c)

the longest portion

3.

Ileum

80.

Which of the SIX (6) MAIN COMPONENTS of the alimentary canal is the site for most absorption and digestion.

(a)  

81.

Which of the THREE (3) MAIN COMPONENTS of the small intestine is the site for most absorption and digestion.

(a)  

82.

The shortest portion of the small intestine.

a)

Duodenum

b)

Jejunum

c)

Ileum

d)

Cecum

e)

Rectum

83.

The portion of the small intestine where most digestion and absorption take place.

a)

Jejunum

b)

Duodenum

c)

Ileum

d)

Cecum

e)

Rectum

84.

The longest portion of the small intestine.

a)

Ileum

b)

Duodenum

c)

Jejunum

d)

Cecum

e)

Rectum

85.

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.

86.

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.

87.

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)   .

88.

These are the THREE (3) PARTS of the small intestine + sphincters. Reorder from proximal to distal.

a)

🚪 Pyloric Sphincter

b)

Duodenum

c)

Jejunum

d)

Ileum

e)

🚪 Ileocecal Sphincter

1)
2)
3)
4)
5)
89.

These are the FIVE (5) SECRETIONS of your small intestines. 𝙼𝚊𝚝𝚌𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙰 𝚠𝚒𝚝𝚑 𝙲𝙾𝙻𝚄𝙼𝙽 𝙱.

a)

to protect from the acidic environment of the gut

1.

Mucus

b)

to break down fats

2.

Lipase

c)

to break down proteins

3.

Protease

d)

to break down carbohydrates to disaccharides

4.

Amylase

e)

to break down disaccharides to monosaccharides

5.

Disaccharidase

90.

Which secretion helps the stomach so that it doesn't get corroded, digestive, and/or dissolved in its own Hydrochloric Acid?

(a)  

91.

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)  

92.

The largest internal organ of the human body.

a)

Liver

b)

Skin

c)

Gallbladder

d)

Pancreas

e)

Stomach

93.

The ​ (a)   produces bile and the ​ (b)   stores these bile and release it when needed.

Choose from the below words
LIVER
GALLBLADDER
94.

Bile is ​ (a)   . Hydrochloric Acid is ​ (b)   .

Choose from the below words
high in pH
low in pH
95.

Hydrochloric Acid is ​ (a)   . Bile is ​ (b)   .

Choose from the below words
low in pH
high in pH
96.

Carbohydrates are absorbed in the ​ (a)   of the small intestine's villi.

Choose from the below words
CAPILLARIES
LACTEALS
97.

Proteins are absorbed in the ​ (a)   found in the villi that are lining the small intestine.

Choose from the below words
BLOOD CAPILLARIES
LACTEALS
98.

Fats are absorbed in the ​ (a)   found in the villi that are lining the small intestine.

Choose from the below words
LACTEALS
CAPILLARIES
99.

These are the FOUR (4) PARTS of the large intestine. Reorder starting from the Ileocecal Sphincter.

a)

Cecum

b)

The Four Colon

c)

Rectum

d)

Anus

1)
2)
3)
4)
100.

These are the parts of the large intestine. Reorder starting from the Ileocecal Sphincter.

a)

Cecum

b)

Ascending Colon

c)

Transverse Colon

d)

Descending Colon

e)

Sigmoid Colon

1)
2)
3)
4)
5)
101.

The internal anal sphincter is made up of ​ (a)   while the external anal sphincter is ​ (b)   .

Choose from the below words
SMOOTH MUSCLE
SKELETAL MUSCLE
102.

The external anal sphincter is made up of ​ (a)   while the internal anal sphincter is ​ (b)   .

Choose from the below words
SKELETAL MUSCLE
SMOOTH MUSCLE
103.

This occurs when feces over-distend the rectal wall.

a)

Defecation Reflex

b)

Absorption

c)

Digestion

d)

Mastication 𝚊𝚗𝚍 Deglutition.

104.

Feces are made up of __________ water.

a)

75%

b)

25%

c)

50%

d)

100%

105.

How much water is lost in feces?

a)

100-200 𝚖𝚕

b)

200-300 𝚖𝚕

c)

300-400 𝚖𝚕

d)

400-500 𝚖𝚕