Digestion smartwork

Question 1

Which mineral is especially important for women to incorporate into their diet if they are menstruating?

Answer 1

iron

Question 2

Chyme is produced in the

Answer 2

stomach

Question 3

________ is contained in pancreatic juice to neutralize the acidity of chyme from the stomach.

Answer 3

Sodium bicarbonate

Question 4

Which of the following statements about the colon is NOT true?
The colon is active in water absorption, removing about 95% of the water that enters it and returning it to the bloodstream.
Insufficient absorption of water can result in diarrhea that may be life-threatening.
Feces consists of about 25% water and 75% solids that are mainly bacteria from the intestinal tract.
The last section of the colon is the rectum, which terminates in the anus.
Cells in the walls of the large intestine absorb vitamin K that is produced by bacteria resident in the colon.

Answer 4

Feces consists of about 25% water and 75% solids that are mainly bacteria from the intestinal tract.

Question 5

Because of the tooth structure and diet, which of the following would be classified as a carnivore?

Answer 5

dophin

Question 6

Which represents the proper sequence of human teeth from the front to the back of the mouth?

Answer 6

2 incisors, 1 canine, 2 premolars, 3 molars

Question 7

The function of canine teeth in humans is

Answer 7

tearing

Question 8

The dentition of omnivores is specialized for ______ in their diets.

Answer 8

both plants and meat

Question 9

Which of the following statements about the tongue is true? 3

Answer 9

The tongue mixes food with saliva and assists in swallowing.
The tongue can detect taste, touch, and pressure.
The tongue consists of striated muscle under voluntary control.

Question 10

pepsin’s subtrate is

Answer 10

protein

Question 11

salivary amylase subtrate is

Answer 11

starch

Question 12

lipase subtrate is

Answer 12

fat

Question 13

maltase subtrate is

Answer 13

maltose

Question 14

In the first step of starch digestion, starch is converted to _______, which is then digested to ________ by the enzyme maltase.

Answer 14

maltose; glucose

Question 15

Which animals would be classified as continuous feeders?

Answer 15

clams, baleen whales, and oysters

Question 16

accessory organs of digestion? 3

Answer 16

pancreas
salivary glands
gall bladder

Question 17

Identify which of the following groups is composed of minerals.

Answer 17

iron, calcium, magnesium and zinc

Question 18

In the body, glucose is stored in the liver as

Answer 18

glycogen.

Question 19

The small intestines receive

Answer 19

bile from the liver and gall bladder.
pancreatic juices from the pancreas.
chyme from the stomach.

Question 20

The finger-like projections along the surface of the small intestines are called

Answer 20

microvilli

Question 21

Which list of features is associated with the small intestine?

Answer 21

duodenum, bile and villi

Question 22

A diet high in omega-3 fatty acids obtained from various types of fish is recommended to reduce the risk of cardiovascular disease. (T/F)

Answer 22

true

Question 23

Food mixes with gastric juices in the stomach to form a thick creamy mass called chyme. (T/F)

Answer 23

true

Question 24

Diabetes mellitus, which is indicated by high levels of blood glucose that have spilled over into the urine, is decreasing among the citizens of the United States. (T/F)

Answer 24

false

Question 25

An unhealthy diet can lead to obesity in individuals which can result in cardiovascular disease and Type 2 diabetes. (T/F)

Answer 25

true

Question 26

Which digestive enzyme is produced in the pancreas and is responsible for the breakdown of protein into peptides?

Answer 26

trypsin

Question 27

What are the potential consequences if a person has their gallbladder removed?

Answer 27

Their body will not be able to store the excess bile produced by the liver. This means that they will have a decreased ability to emulsify the fats found within the small intestine.

Question 28

Food is prevented from entering the trachea by the

Answer 28

epiglottis

Question 29

The tongue consists of

Answer 29

striated muscle under voluntary control.