Poll Everywhere Chapter 6

Question 1

All of the following are ways in which fatty acids can differ from one another EXCEPT ___________…
~ Degree of saturation
~ Number of calories per gram
~ Number of double bonds
~ The shape of the carbon chain

Answer 1

Number of calories per gram

Question 2

Which of the following is FALSE.
~ Long chain fatty acids have 12 or more carbons and are transported via the lymphatic system
~ Short chain fatty acids have fewer than 6 carbons and are transported via the lymphatic system
~ Medium chain fatty acids have 6-10 carbons and are digested as quickly as glucose
Medium chain fatty acids are transported via the portal system

Answer 2

Short-chain fatty acids have fewer than 6 carbons and are transported via the lymphatic system

Question 3

Which of the following is FALSE?
~ In a Saturated fatty acid, all bonds between the carbons are single
~ In a Monounsaturated fatty acid, there is one double bond between the carbons
~ Trans fatty acids have hydrogens on the opposite sides of the carbon chain
~ Humans can synthesize many fatty acids, except for 12 fatty acids that are essential and must be obtained from the diet

Answer 3

Humans can synthesize many fatty acids, except for 12 fatty acids that are essential and must be obtained from the diet

Question 4

Lipids with high saturated fatty acid content are generally _________ at room temperature.

Answer 4

Solid

Question 5

The chief contributors of saturated fatty acids in the U.S. diet include…

Answer 5

Animal products

Question 6

All of the following are considered monounsaturated fats EXCEPT…
~ Peanut oil
~ Stick margarine
~ Olive oil
~ Canola oil

Answer 6

Stick margarine

Question 7

The function of fat includes all of the following EXCEPT…
~ Insulate the body
~ Transport fat soluble vitamins
~ Build and repair tissue
~ Cushion and protect vital organs

Answer 7

Build and repair tissue

Question 8

Essential fatty acids (along with phospholipids and cholesterol) are important structural components of cell membranes. T or F

Answer 8

True

Question 9

What is the main structural difference between phospholipids and triglycerides?

Answer 9

One fatty acid is replaced by a phosphate molecule.

Question 10

Phospholipids act as emulsifiers…

Answer 10

in the body

Question 11

Which of the following is FALSE regarding sterols?
~ They are a type of steroid.
~ Cholesterol is a sterol
~ The carbons of sterols are arranged in a straight line.
~ Cholesterol is found in foods of animal origin

Answer 11

The carbons of sterols are arranged in a straight line

Question 12

The recommended percentage of total fat intake for adults is ___________.

Answer 12

20 - 35%

Question 13

A fatty acid with 10 carbons will be absorbed via the _________.

Answer 13

Portal system

Question 14

Which lipoprotein is responsible for transporting cholesterol from the liver to the tissues?

Answer 14

Low-density lipoprotein

Question 15

Oxidized LDL in the blood is picked up by the ____________.

Answer 15

Scavenger pathway

Question 16

High blood levels of HDL are protective against heart disease. T or F

Answer 16

True