
Digestive System Concepts and Processes
Quiz
•
Other
•
11th Grade
•
Practice Problem
•
Hard
Jessica Stowell
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How much food does an average human consume over the course of a lifetime?
Over 365 kg
Between 1 and 2.7 kg
More than 28,800 kg
Approximately 10,000 kg
Answer explanation
The average human consumes about 2-3 kg of food daily. Over a lifetime, this totals more than 28,800 kg, making 'More than 28,800 kg' the correct choice, as it reflects a realistic estimate of lifetime food consumption.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement accurately describes the human digestive system?
It is comprised of 5 organs and covers 5 meters.
It is one of the simplest systems in the human body.
It contains over 20 specialized cell types.
Its parts work independently to process food.
Answer explanation
The correct statement is that the human digestive system contains over 20 specialized cell types, which are essential for various functions like digestion and absorption, highlighting its complexity.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the approximate internal surface area of the gastrointestinal tract?
10 to 20 square meters
30 to 40 square meters
50 to 60 square meters
70 to 80 square meters
Answer explanation
The gastrointestinal tract has a complex structure with folds and villi, leading to an approximate internal surface area of 30 to 40 square meters, making this the correct choice.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the collective function of the body's enzymes, hormones, nerves, and blood in digestion?
To only transport food through the system.
To break down food, modulate the digestive process, and deliver final products.
To produce saliva and bile.
To support and position digestive organs.
Answer explanation
The correct choice highlights that enzymes, hormones, nerves, and blood work together to break down food, regulate digestion, and transport nutrients, which is essential for effective digestion.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is NOT listed as one of the four main components of the digestive system?
The gastrointestinal tract
The pancreas, gallbladder, and liver
The kidneys and bladder
The mesentery
Answer explanation
The kidneys and bladder are part of the urinary system, not the digestive system. The four main components of the digestive system include the gastrointestinal tract, pancreas, gallbladder, and liver, and the mesentery.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary role of the mesentery in the digestive system?
To produce digestive juices.
To transport food to the stomach.
To support and position digestive organs in the abdomen.
To break down carbohydrates into glucose.
Answer explanation
The mesentery primarily supports and positions the digestive organs in the abdomen, ensuring they are held in place and properly organized, which is crucial for efficient digestion and nutrient absorption.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When does the digestive process typically begin?
When food enters the stomach.
After food has been chewed and swallowed.
Before food even hits the tongue, by anticipating a meal.
Only when enzymes are released in the small intestine.
Answer explanation
The digestive process begins even before food enters the mouth, as the body anticipates a meal. This anticipation triggers salivation and prepares the digestive system, making the correct answer 'Before food even hits the tongue, by anticipating a meal.'
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