PHGY 216 MODULE 6 QUESTIONS WITH VERIFIED
ACCURATE ANSWERS
The movement of muscles, along with secretions - Answers - digestion and absorption
of food
Primary role of digestive system - Answers - consume and transfer nutrients, water,
electrolytes in the body
Why do we need the digestive system to transfer nutrients, water, electrolytes -
Answers - ATP production
Growth of tissues
The movement of nutrients from the digestive tract to circulatory system - Answers -
absorption
The breakdown of food into small molecules - Answers - digestion
Movement through circulatory system - Answers - distribution
The movement of nutrients into cells for metabolism or anabolic process - Answers -
usage
4 main functions of the digestive system - Answers - motility
Secretion
Digestion
Absorption
Muscular contractions that mix and propel contents of digestive system. - Answers -
motility
Which digestive organs use skeletal muscles? - Answers - mouth
Top of esophagus
External anal sphincter
The smooth muscles of the digestive system have a constant tone. T/f - Answers - true.
-prevent stretching of walls and keep pressure
Where do the secretory cells of the digestive system get their raw materials? - Answers
- plasma
The secretions of digestive enzymes are secreted into which part of the digestive tract?
- Answers - lumen
, All secretions in the digestive tract are exocrine. T/f - Answers - false. Endocrine
hormones secrete in blood to help motility
Carbohydrates: only monosaccharides can be absorbed. T/f - Answers - true
Dietary fats are usually consumed as: - Answers - triglycerides
From fats, which 2 are the only ones that can be absorbed? - Answers - free fatty acids
Monoglycerides
Digestible units move from digestive tract ____________________ and into the
_______________and ___________________. - Answers - lumen
Blood and lymph
The innermost layer of the digestive tract walls. - Answers - mucosa
How does the mucosa increase surface tension? - Answers - folds
-highest absorption, highest number of folds
This part of the digestive tract walls is made up of connective tissue and provides
support for mucosa - Answers - submucosa
You can find large blood and lymph vessels in this part of the digestive tract - Answers -
submucosa
Smooth muscle layer that surrounds submucosa - Answers - muscularis externa
This part of the digestive tract wall has an inner circular and outer longitudinal layer -
Answers - muscularis externa
The roles of the inner and outer layers of the muscularis externa - Answers - inner:
decreases lumen diameter
Outer: shortens tube
Both provide propulsive contractions
The myenteric plexus can be found in the submucosa. T/f - Answers - false. Muscularis
externa
Help to regulate local gut activity
The outer connective tissue layer that covers digestive tract - Answers - serosa
What benefit does the serosa being continuous with the mesentary have? - Answers -
helps to suspend digestive organs from inner wall of abdominal cavity
ACCURATE ANSWERS
The movement of muscles, along with secretions - Answers - digestion and absorption
of food
Primary role of digestive system - Answers - consume and transfer nutrients, water,
electrolytes in the body
Why do we need the digestive system to transfer nutrients, water, electrolytes -
Answers - ATP production
Growth of tissues
The movement of nutrients from the digestive tract to circulatory system - Answers -
absorption
The breakdown of food into small molecules - Answers - digestion
Movement through circulatory system - Answers - distribution
The movement of nutrients into cells for metabolism or anabolic process - Answers -
usage
4 main functions of the digestive system - Answers - motility
Secretion
Digestion
Absorption
Muscular contractions that mix and propel contents of digestive system. - Answers -
motility
Which digestive organs use skeletal muscles? - Answers - mouth
Top of esophagus
External anal sphincter
The smooth muscles of the digestive system have a constant tone. T/f - Answers - true.
-prevent stretching of walls and keep pressure
Where do the secretory cells of the digestive system get their raw materials? - Answers
- plasma
The secretions of digestive enzymes are secreted into which part of the digestive tract?
- Answers - lumen
, All secretions in the digestive tract are exocrine. T/f - Answers - false. Endocrine
hormones secrete in blood to help motility
Carbohydrates: only monosaccharides can be absorbed. T/f - Answers - true
Dietary fats are usually consumed as: - Answers - triglycerides
From fats, which 2 are the only ones that can be absorbed? - Answers - free fatty acids
Monoglycerides
Digestible units move from digestive tract ____________________ and into the
_______________and ___________________. - Answers - lumen
Blood and lymph
The innermost layer of the digestive tract walls. - Answers - mucosa
How does the mucosa increase surface tension? - Answers - folds
-highest absorption, highest number of folds
This part of the digestive tract walls is made up of connective tissue and provides
support for mucosa - Answers - submucosa
You can find large blood and lymph vessels in this part of the digestive tract - Answers -
submucosa
Smooth muscle layer that surrounds submucosa - Answers - muscularis externa
This part of the digestive tract wall has an inner circular and outer longitudinal layer -
Answers - muscularis externa
The roles of the inner and outer layers of the muscularis externa - Answers - inner:
decreases lumen diameter
Outer: shortens tube
Both provide propulsive contractions
The myenteric plexus can be found in the submucosa. T/f - Answers - false. Muscularis
externa
Help to regulate local gut activity
The outer connective tissue layer that covers digestive tract - Answers - serosa
What benefit does the serosa being continuous with the mesentary have? - Answers -
helps to suspend digestive organs from inner wall of abdominal cavity
