Extra Flashcards

1
Q

What is the primary function of the digestive system?

A

To break down food into nutrients for the body.

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2
Q

True or False: The mouth is the first organ involved in digestion.

A

True

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3
Q

Fill in the blank: The enzyme ___ in saliva begins the breakdown of carbohydrates.

A

amylase

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4
Q

What is the role of the stomach in digestion?

A

To further break down food using acid and enzymes.

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5
Q

Which organ is responsible for nutrient absorption?

A

Small intestine

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6
Q

What is the function of bile in digestion?

A

To emulsify fats.

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7
Q

True or False: The pancreas produces insulin only.

A

False

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8
Q

What are the three main parts of the small intestine?

A

Duodenum, jejunum, ileum

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9
Q

Multiple Choice: Which of the following is NOT a part of the digestive system? A) Esophagus B) Liver C) Kidney D) Stomach

A

C) Kidney

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10
Q

What is peristalsis?

A

The wave-like muscle contractions that move food through the digestive tract.

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11
Q

Fill in the blank: The ___ is responsible for producing digestive enzymes and bicarbonate.

A

pancreas

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12
Q

True or False: The large intestine is mainly involved in nutrient absorption.

A

False

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13
Q

What is the main purpose of the large intestine?

A

To absorb water and form feces.

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14
Q

What type of digestion occurs in the mouth?

A

Mechanical and chemical digestion.

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15
Q

Fill in the blank: The ___ is a muscular tube that connects the throat to the stomach.

A

esophagus

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16
Q

Which part of the digestive system is responsible for detoxifying chemicals?

A

Liver

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17
Q

True or False: The stomach has a pH level that is neutral.

A

False

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18
Q

What is the role of gastric acid?

A

To break down food and kill bacteria.

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19
Q

What are villi?

A

Small, finger-like projections that increase surface area for absorption in the small intestine.

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20
Q

Multiple Choice: Which enzyme breaks down proteins in the stomach? A) Amylase B) Pepsin C) Lactase D) Sucrase

A

B) Pepsin

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21
Q

Fill in the blank: The ___ stores bile until it is needed for digestion.

A

gallbladder

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22
Q

What is the function of the rectum?

A

To store feces before elimination.

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23
Q

True or False: Digestion begins in the stomach.

A

False

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24
Q

What is the primary function of the salivary glands?

A

To produce saliva, which contains enzymes for digestion.

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25
Fill in the blank: ___ is the process of breaking down food into smaller components.
Digestion
26
What are the two types of digestion?
Mechanical and chemical digestion.
27
True or False: The pancreas plays a role in both digestion and blood sugar regulation.
True
28
What is the main function of the esophagus?
To transport food from the mouth to the stomach.
29
Fill in the blank: The ___ is a flap that prevents food from entering the trachea.
epiglottis
30
What are the main components of bile?
Bile salts, bilirubin, cholesterol, and electrolytes.
31
Multiple Choice: Which vitamin is primarily absorbed in the large intestine? A) Vitamin A B) Vitamin D C) Vitamin K D) Vitamin C
C) Vitamin K
32
What is the role of intestinal flora?
To aid in digestion and synthesize certain vitamins.
33
True or False: The small intestine is shorter than the large intestine.
False
34
What is chyme?
The semi-liquid mass of partially digested food that moves from the stomach to the small intestine.
35
Fill in the blank: The ___ secretes hormones that regulate digestion.
pancreas
36
What is the primary role of the liver in digestion?
To produce bile and process nutrients.
37
Multiple Choice: Which part of the digestive system is primarily responsible for water absorption? A) Small intestine B) Stomach C) Large intestine D) Esophagus
C) Large intestine
38
What hormone stimulates the release of gastric acid?
Gastrin
39
True or False: Digestion is only a mechanical process.
False
40
What is the role of the mucosa in the digestive tract?
To secrete mucus and enzymes and absorb nutrients.
41
Fill in the blank: The ___ is the final section of the large intestine.
anus
42
What is the function of enzymes in digestion?
To catalyze the breakdown of macromolecules into smaller units.
43
Multiple Choice: Which of the following is a function of the digestive system? A) Gas exchange B) Nutrient absorption C) Hormone production D) All of the above
B) Nutrient absorption
44
What is the role of the gallbladder?
To store and concentrate bile.
45
True or False: The digestive system is responsible for the elimination of waste.
True
46
What is the primary source of energy for the body obtained through digestion?
Glucose
47
Fill in the blank: ___ is the main site for the absorption of nutrients.
Small intestine
48
What is the function of the sphincters in the digestive system?
To control the passage of food and waste between different sections.
49
Multiple Choice: Which enzyme is responsible for breaking down fats? A) Amylase B) Lipase C) Pepsin D) Trypsin
B) Lipase
50
What is the primary role of the colon?
To absorb remaining water and electrolytes from indigestible food.
51
True or False: The digestive process is entirely voluntary.
False
52
What are the main layers of the digestive tract?
Mucosa, submucosa, muscularis, and serosa.
53
Fill in the blank: The ___ is the largest internal organ in the body.
liver
54
What is the function of the duodenum?
To receive chyme from the stomach and digestive enzymes from the pancreas.
55
Multiple Choice: Which part of the digestive system is primarily involved in the digestion of carbohydrates? A) Stomach B) Mouth C) Large intestine D) Gallbladder
B) Mouth
56
What is the primary function of the small intestine?
To digest food and absorb nutrients.
57
True or False: The digestive system includes both the gastrointestinal tract and accessory organs.
True
58
What is the function of lactase?
To break down lactose into glucose and galactose.
59
Fill in the blank: The ___ is the first part of the large intestine.
cecum
60
What is the primary component of gastric juice?
Hydrochloric acid
61
Multiple Choice: Which of the following is not a function of the liver? A) Producing bile B) Detoxifying blood C) Storing glucose D) Absorbing nutrients
D) Absorbing nutrients
62
What is the term for the wave-like movement that propels food through the digestive tract?
Peristalsis
63
True or False: Fats are digested primarily in the stomach.
False
64
What is the primary role of the pancreas in digestion?
To produce digestive enzymes and bicarbonate.
65
Fill in the blank: The ___ helps to regulate the pH of the small intestine.
pancreatic juice
66
What is the main purpose of chewing food?
To mechanically break it down and mix it with saliva.
67
Multiple Choice: Which of the following organs is primarily responsible for detoxification? A) Stomach B) Liver C) Pancreas D) Gallbladder
B) Liver
68
What is the function of the hepatic portal vein?
To transport nutrient-rich blood from the intestines to the liver.
69
True or False: The small intestine has a larger surface area than the large intestine.
True
70
What is the main function of the salivary glands?
To produce saliva which contains enzymes to initiate digestion.
71
Fill in the blank: The ___ is responsible for the final digestion and absorption of nutrients.
small intestine
72
What is the primary role of fiber in the diet?
To aid in digestion and promote bowel health.
73
Multiple Choice: Which digestive organ is responsible for storing bile? A) Liver B) Gallbladder C) Pancreas D) Stomach
B) Gallbladder
74
What is the role of the appendix?
Its function is not entirely clear, but it may play a role in gut flora maintenance.
75
True or False: The gastrointestinal tract is about 30 feet long in adults.
True
76
What is the primary function of the digestive enzymes?
To break down macromolecules into absorbable units.
77
Fill in the blank: The ___ regulates the passage of food from the stomach to the small intestine.
pyloric sphincter
78
What is the function of the gastric mucosa?
To produce mucus that protects the stomach lining.
79
Multiple Choice: Which enzyme is responsible for breaking down starches? A) Pepsin B) Amylase C) Lipase D) Trypsin
B) Amylase
80
True or False: The digestive system does not play a role in the immune system.
False
81
What is the role of the intestinal wall?
To facilitate the absorption of nutrients and water.
82
Fill in the blank: The ___ is the last part of the digestive system where waste is expelled.
anus
83
What is the primary cause of heartburn?
Acid reflux from the stomach into the esophagus.
84
Multiple Choice: Which part of the digestive system is primarily involved in the absorption of water? A) Small intestine B) Stomach C) Large intestine D) Esophagus
C) Large intestine
85
What is the primary role of the digestive system?
To convert food into energy and nutrients for the body.
86
True or False: Nutrient absorption occurs in the large intestine.
True