lipids and lipid metabolism reading 2

Question 1

The enzyme that chemically digests lipid molecules is _____.

Answer 1

lipase

Question 2

Identify the primary products of the chemical digestion of lipids.

Answer 2

Monoglycerides

Fatty acids

Question 3

Identify the structures that secrete lipase.

Answer 3

Lingual glands

Pancreas

Question 4

The process by which bile salts transform large lipid droplets into much smaller lipid droplets is called?

Answer 4

emulsification

Question 5

Bile salts are necessary to _____.

Answer 5

emulsify lipids

Question 6

The majority of lipid digestion occurs in the ______.

Answer 6

small intestine

Question 7

The majority of lipase is secreted by the _____.

Answer 7

pancreas

Question 8

Describe emulsification.

Answer 8

The process by which bile salts transform large lipid droplets into much smaller droplets

Question 9

Why is emulsification of lipids important?

Answer 9

Emulsification increases surface area for digestive enzymes.

Question 10

Identify the substance necessary to emulsify lipids.

Answer 10

Bile salts

Question 11

The majority of lipids are absorbed into ______ of the ______.

Answer 11

lacteals, small intestine

Question 12

A micelle is a ______ droplet surrounded by ______.

Answer 12

lipid, bile salts

Question 13

A type of lipoprotein consisting of mostly triglycerides along with phospholipids, cholesterol and protein is a what?

Answer 13

chylomicron

Question 14

A lipid droplet surrounded by bile salts in the small intestine is called a _____.

Answer 14

micelle

Question 15

Describe how lipids are transported through the blood.

Answer 15

Lipids are combined with protein to form lipoproteins.

Question 16

The majority of lipase is secreted by the _____.

Answer 16

pancreas

Question 17

Name the lipoprotein with the lowest concentration of protein and highest concentration of lipid.

Answer 17

Very low-density lipoprotein

Question 18

A chylomicron is a ______ droplet surrounded by ______.

Answer 18

lipid, proteins

Question 19

LDL is considered _____ while HDL is considered _____.

Answer 19

bad, good

Question 20

True or False: The body’s main energy-storage molecules are lipids.

Answer 20

True

Question 21

Triglycerides are stored in what tissue?

Answer 21

adipose, fatty, or fat

Question 22

Triglycerides that are released in the blood and used by the skeletal muscles and liver for energy are referred to as ______ fatty acids.

Answer 22

free

Question 23

Beta-oxidation and ketogenesis are processes involved in the metabolism of ______.

Answer 23

lipids

Question 24

Beta oxidation metabolizes ______.

Answer 24

fatty acid chains

Question 25

A chylomicron is a ______ droplet surrounded by ______.

Answer 25

lipid, proteins

Question 26

The type of lipid stored within adipose tissue is ______.

Answer 26

triglyceride

Question 27

Ketogenesis forms ______.

Answer 27

ketone bodies

Question 28

Fatty acids that are released into the blood from adipose tissue are called ______.

Answer 28

free fatty acids

Question 29

Ketone bodies are produced by the incomplete oxidation of ______, especially when being rapidly catabolized.

Answer 29

fats

Question 30

what is ketogenesis?

Answer 30

is the process that produces ketones and is also known as incomplete oxidation

Question 31

Ketosis is a serious condition associated with extreme low _______ diets.

Answer 31

carbohydrate

Question 32

True or False: When acetyl CoA molecules from fatty acids combine together instead of entering the citric acid cycle, they form ketone bodies.

Answer 32

True

Question 33

Starvation and diets high in either protein or lipids can led to the condition called _______.

Answer 33

ketosis

Question 34

Beta-oxidation and ketogenesis are processes involved in the metabolism of ______.

Answer 34

lipids

Question 35

An abnormally high concentration of ketone bodies in the blood is known as

Answer 35

ketosis

Question 36

Ketosis may alter blood pH, a condition known as ______.

Answer 36

acidosis