quiz 7 Flashcards

1
Q

true or false
Cholesterol content in the body is only driven by dietary consumption.

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

true or false
The chylomicron is formed in the lumen of the intestine before being absorbed across the brush border.

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

true or false
Mammals will absorb long chain FA lipids via the circulatory system.

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

true or false
Cholesterol can be biosynthesized from acetyl-CoA.

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

true or false
HDL is considered the “good” cholesterol

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

true or false
Protected choline can be supplemented to dairy cattle to prevent fatty liver.

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

true or false
Hydrogen bonds attach the fatty acids to the glycerol backbone.

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

true or false
The process of digesting fats requires the assistance of bile salts.

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Dietary lipid are coated with
____ as they enter the duodenum. This process allows for
_____ which is the process of breaking down fat globules. This in turn
____ surface area. The enzyme
____ will then breakdown triglycerides into free fatty acids and a monoglyceride. Before fats can be transported across the intestinal cell they form ____ Once in the cell fats are reassembled into triglycerides and then coated with a protein. This complex is then called a ____
. Once formed they will exit the cell via exocytosis and will enter the
___ system, which will eventually drain into the____
system.

A

bile salts
emulsification
increase
lipase
chylomicrons
lymphatic
circulatory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

true or false
Chylomicrons have the lowest ratio of lipids to protein of the lipoproteins we discussed in class.

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Categorize each fatty acid as either SFA, UFA, or PUFA. **NOTE in this instance, choose the MOST correct category.
SFA

A

myristic
palmitic
stearic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

UFA

A

oleic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

PUFA

A

linoleic, linolenic, arachidonic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

true or false
Paylean, a beta-adrenergic agonist, will inhibit triglyceride catabolism.

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

true or false
All plant source fats are liquid at room temperature

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

fatty acids liquid at room temperature

A

oleic
arachidonic
linolenic
erucic
linoleic

17
Q

Describe the characteristics of these fats that would explain WHY they would be liquid.

A

UFA have one more more double bond
create bend in structure
airspace between structures