Question 1

Brown fat contains more mitochondria than white fat and is involved in thermogenesis.

Accepted Answer

A) True 
 B)False

Question 2

Fat digestion does not require ____.

Accepted Answer

A) pancreatic lipase 
B) colipase 
C) bile 
D) leucine 
A) pancreatic lipase 
B) colipase 
C) bile 
D) leucine

Question 3

Which organ provides the major site for lipoprotein formation from exogenously derived lipids?

Accepted Answer

A) pancreas 
B) adipose tissue 
C) intestine 
D) liver 
A) pancreas 
B) adipose tissue 
C) intestine 
D) liver

Question 4

Which apolipoprotein is key to the delivery of triacylglycerol to tissues?

Accepted Answer

A) apoC-2 
B) apoA-1 
C) apoE 
D) apoB-100 
A) apoC-2 
B) apoA-1 
C) apoE 
D) apoB-100

Question 5

Mono- and diacylglycerols are used in processed foods as ____.

Accepted Answer

A) thickening agents 
B) emulsifying agents 
C) antioxidants 
D) food preservatives 
A) thickening agents 
B) emulsifying agents 
C) antioxidants 
D) food preservatives

Question 6

Discuss three things that cannot be correct in the notation 18:2Δ8,9,19 when using the delta system of designating fatty acids.*
*Source: Brody T,Nutritional Biochemistry,2nd ed.Academic Press,San Diego,CA,1999.page 643.

Accepted Answer

Grading rubric - answer should include t

Question 7

Choose the correct sequential order for participants in lipid digestion.

Accepted Answer

A) colipase, pancreatic lipase, bile, micelles 
B) bile, colipase, pancreatic lipase, micelles 
C) bile, enterokinase, colipase, micelles 
D) micelles, bile, pancreatic lipase, colipase 
A) colipase, pancreatic lipase, bile, micelles 
B) bile, colipase, pancreatic lipase, micelles 
C) bile, enterokinase, colipase, micelles 
D) micelles, bile, pancreatic lipase, colipase

Question 8

Match the enzymes with their functions in lipid metabolism.
-cyclo-oxygenase

Accepted Answer

A) creates a double bond in a fatty acid 
B) removes triacylglycerol from plasma 
C) mobilizes stored triacylglycerols from adipocytes 
D) rate-limiting enzyme in cholesterol synthesis 
E) creates prostaglandins 
A) creates a double bond in a fatty acid 
B) removes triacylglycerol from plasma 
C) mobilizes stored triacylglycerols from adipocytes 
D) rate-limiting enzyme in cholesterol synthesis 
E) creates prostaglandins

Question 9

The fatty acid chains found in foods and body tissues range from ____ carbon atoms in length.

Accepted Answer

A) 1 to 3 
B) 2 to 6 
C) 3 to 12 
D) 4 to 24 
A) 1 to 3 
B) 2 to 6 
C) 3 to 12 
D) 4 to 24

Question 10

In response to excess dietary carbohydrate and chylomicron remnants,which substances does the liver synthesize to transport triacylglycerol?

Accepted Answer

A) chylomicrons 
B) VLDLs 
C) LDLs 
D) HDLs 
A) chylomicrons 
B) VLDLs 
C) LDLs 
D) HDLs

Question 11

What is the best description of the action of bile?

Accepted Answer

A) Bile hydrolyzes ester bonds of the triacylglycerols. 
B) Bile anchors into dietary lipid so that pancreatic lipase can act. 
C) Bile emulsifies dietary lipid to increase its surface area. 
D) Bile digests the ester bond of the dietary cholesteryl ester. 
A) Bile hydrolyzes ester bonds of the triacylglycerols. 
B) Bile anchors into dietary lipid so that pancreatic lipase can act. 
C) Bile emulsifies dietary lipid to increase its surface area. 
D) Bile digests the ester bond of the dietary cholesteryl ester.

Question 12

Triacylglycerols with saturated fatty acids of longer chain length tend to be ____ at room temperature.

Accepted Answer

A) liquid oils 
B) emulsified 
C) nonesterified fats 
D) solid fats 
A) liquid oils 
B) emulsified 
C) nonesterified fats 
D) solid fats

Question 13

Match the lipid with the cardiovascular disease risk.
-apolipoprotein E

Accepted Answer

A) atherogenic fatty plaque 
B) hypercholesterolemia 
C) raise LDL-C/lower HDL-C 
D) structural homology with plasminogen; increased risk of CVD 
E) increases LDL's affinity for macrophage receptors causing plaque 
A) atherogenic fatty plaque 
B) hypercholesterolemia 
C) raise LDL-C/lower HDL-C 
D) structural homology with plasminogen; increased risk of CVD 
E) increases LDL's affinity for macrophage receptors causing plaque

Question 14

Which of the following lipoproteins is the major carrier of cholesterol to tissues for use in construction of membranes or steroid hormones?

Accepted Answer

A) VLDL 
B) HDL 
C) LDL 
D) chylomicrons 
A) VLDL 
B) HDL 
C) LDL 
D) chylomicrons

Question 15

What is formed when fatty acids are oxidized in the mitochondria (i.e.,what is the end product of beta-oxidation)?

Accepted Answer

A) glycerol 
B) pyruvate 
C) acetyl-CoA 
D) triacylglycerol 
A) glycerol 
B) pyruvate 
C) acetyl-CoA 
D) triacylglycerol

Question 16

Match the lipid with the cardiovascular disease risk.
-cholesterol

Accepted Answer

A) atherogenic fatty plaque 
B) hypercholesterolemia 
C) raise LDL-C/lower HDL-C 
D) structural homology with plasminogen; increased risk of CVD 
E) increases LDL's affinity for macrophage receptors causing plaque 
A) atherogenic fatty plaque 
B) hypercholesterolemia 
C) raise LDL-C/lower HDL-C 
D) structural homology with plasminogen; increased risk of CVD 
E) increases LDL's affinity for macrophage receptors causing plaque

Question 17

Match the enzymes with their functions in lipid metabolism.
-HMG-CoA reductase

Accepted Answer

A) creates a double bond in a fatty acid 
B) removes triacylglycerol from plasma 
C) mobilizes stored triacylglycerols from adipocytes 
D) rate-limiting enzyme in cholesterol synthesis 
E) creates prostaglandins 
A) creates a double bond in a fatty acid 
B) removes triacylglycerol from plasma 
C) mobilizes stored triacylglycerols from adipocytes 
D) rate-limiting enzyme in cholesterol synthesis 
E) creates prostaglandins

Question 18

Ketogenesis is the synthesis of ketone bodies from fatty acids for energy under conditions of excess glucose,such as in the fed state.

Accepted Answer

A) True 
 B)False

Question 19

What is the most common lipid found in animals that is characterized by a four-ring core structure?

Accepted Answer

A) prostaglandins 
B) leukotrienes 
C) cholesterol 
D) glycolipids 
A) prostaglandins 
B) leukotrienes 
C) cholesterol 
D) glycolipids

Question 20

Cholesterol serves as a precursor for all of the following EXCEPT ____.

Accepted Answer

A) phospholipids 
B) estrogens and androgens 
C) bile acids 
D) vitamin D 
A) phospholipids 
B) estrogens and androgens 
C) bile acids 
D) vitamin D

Brown fat contains more mitochondria than white fat and is involved in thermogenesis.

Fat digestion does not require ____.

Which organ provides the major site for lipoprotein formation from exogenously derived lipids?

Which apolipoprotein is key to the delivery of triacylglycerol to tissues?

Mono- and diacylglycerols are used in processed foods as ____.

Discuss three things that cannot be correct in the notation 18:2Δ8,9,19 when using the delta system of designating fatty acids.* *Source: Brody T,Nutritional Biochemistry,2nd ed.Academic Press,San Diego,CA,1999.page 643.

Choose the correct sequential order for participants in lipid digestion.

Match the enzymes with their functions in lipid metabolism. -cyclo-oxygenase

The fatty acid chains found in foods and body tissues range from ____ carbon atoms in length.

In response to excess dietary carbohydrate and chylomicron remnants,which substances does the liver synthesize to transport triacylglycerol?

What is the best description of the action of bile?

Triacylglycerols with saturated fatty acids of longer chain length tend to be ____ at room temperature.

Match the lipid with the cardiovascular disease risk. -apolipoprotein E

Which of the following lipoproteins is the major carrier of cholesterol to tissues for use in construction of membranes or steroid hormones?

What is formed when fatty acids are oxidized in the mitochondria (i.e.,what is the end product of beta-oxidation)?

Match the lipid with the cardiovascular disease risk. -cholesterol

Match the enzymes with their functions in lipid metabolism. -HMG-CoA reductase

Ketogenesis is the synthesis of ketone bodies from fatty acids for energy under conditions of excess glucose,such as in the fed state.

What is the most common lipid found in animals that is characterized by a four-ring core structure?

Cholesterol serves as a precursor for all of the following EXCEPT ____.

The Cell: A Microcosm of Life

The Digestive System: Mechanism for Nourishing the Body

Carbohydrates

Fiber

Protein

Integration and Regulation of Metabolism and the Impact of Exercise

Energy Expenditure, Body Composition, and Healthy Weight

Water-Soluble Vitamins

Fat-Soluble Vitamins

Major Minerals

Water and Electrolytes

Essential Trace and Ultratrace Minerals

Nonessential Trace and Ultratrace Minerals

Filters

Exam 5: Lipids

Brown fat contains more mitochondria than white fat and is involved in thermogenesis.

Fat digestion does not require ____.

Which organ provides the major site for lipoprotein formation from exogenously derived lipids?

Which apolipoprotein is key to the delivery of triacylglycerol to tissues?

Mono- and diacylglycerols are used in processed foods as ____.

Discuss three things that cannot be correct in the notation 18:2Δ8,9,19 when using the delta system of designating fatty acids.* *Source: Brody T,Nutritional Biochemistry,2nd ed.Academic Press,San Diego,CA,1999.page 643.

Choose the correct sequential order for participants in lipid digestion.

Match the enzymes with their functions in lipid metabolism. -cyclo-oxygenase

The fatty acid chains found in foods and body tissues range from ____ carbon atoms in length.

In response to excess dietary carbohydrate and chylomicron remnants,which substances does the liver synthesize to transport triacylglycerol?

What is the best description of the action of bile?

Triacylglycerols with saturated fatty acids of longer chain length tend to be ____ at room temperature.

Match the lipid with the cardiovascular disease risk. -apolipoprotein E

Which of the following lipoproteins is the major carrier of cholesterol to tissues for use in construction of membranes or steroid hormones?

What is formed when fatty acids are oxidized in the mitochondria (i.e.,what is the end product of beta-oxidation)?

Match the lipid with the cardiovascular disease risk. -cholesterol

Match the enzymes with their functions in lipid metabolism. -HMG-CoA reductase

Ketogenesis is the synthesis of ketone bodies from fatty acids for energy under conditions of excess glucose,such as in the fed state.

What is the most common lipid found in animals that is characterized by a four-ring core structure?

Cholesterol serves as a precursor for all of the following EXCEPT ____.

The Cell: A Microcosm of Life

The Digestive System: Mechanism for Nourishing the Body

Carbohydrates

Fiber

Protein

Integration and Regulation of Metabolism and the Impact of Exercise

Energy Expenditure, Body Composition, and Healthy Weight

Water-Soluble Vitamins

Fat-Soluble Vitamins

Major Minerals

Water and Electrolytes

Essential Trace and Ultratrace Minerals

Nonessential Trace and Ultratrace Minerals

Filters