FINAL EXAM REVIEW 2 Flashcards

1
Q

WHAT IS THE MAJOR FORM OF LIPID IN THE BODY?

A

TRIGLYCERIDES

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2
Q

FOUR SINGLE BONDS AROUND EACH CARBON IN THE CARBON CHAIN REPRESENTS WHICH TYPE OF FATTY ACID?

A

SATURATED

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3
Q

HYDROGENTATION OF A LIPID WILL CAUSE/AN?

A

UNSATURATED FATTY ACID TO BECOME SATURATED

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4
Q

AFTER CARBOHYDRATE IS CONVERTED TO FAT IN THE LIVER AND STORED AS A FATTY ACID, IT CAN BE?

A

USED AS ENERGY

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5
Q

THE LIPOPROTEIN THAT CONTAINS THE LEAST% CHOLESTEROL IS?

A

HDL

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6
Q

WHICH OF THE FOLLOWING COMMON LIPIDS CONTAIN CHOLESTEROL?

A) COCONUT OIL
B) OLIVE OIL
C) PALM OIL
D) NONE CONTAIN CHOLESTEROL

A

D) NONE CONTAIN COLESTEROL

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7
Q

ESSENTIAL FATTY ACIDS__?

A) ARE PHOSPHOLIPIDS
B) CAN BE MADE FROM CARBOHYDRATE IN THE DIET
C) CAN BE MADE FROM NON-ESSENTIAL FATTY ACIDS IN THE DIET
D) CAN BE MADE FROM PROTEIN IN THE DIET
E) NON OF THE ANSWERS ARE CORRECT

A

E) NONE OF THE ANSWERS ARE CORRECT

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8
Q

WHICH OF THE FOLLOWING STATEMENTS CONCERNING THE DIGESTION AND ABSORPTION OF LIPID IS TRUE?

A) BILE ACTS ON DIETARY LIPID TO BREAK IT DOWN INTO SMALL DROPLETS
B)LIPASE BREAK TRIGLYCERIDE INTO MONOGLYCERIDES, GLYCEROL, AND FATTY ACIDS
C) APPROXIMATELY 1% OF THE CHOLESTEROL FROM THE DIET IS ABSORBED
D) A AND B ARE CORRECT

A

D)A AND B ARE CORRECT

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9
Q

IN THE FUTURE, IN ORDER TO DECREASE RISK OF HEART DISEASE, THER IS LIKELY TO BE LESS EMPHASIS ON LOWERING TOTAL BLOOD CHOLESTEROL AND MORE ON?

A

INCREASING HDL AND LOWERING LDL

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10
Q

WHATS THE FALSE STATEMENT?

A) CARNITINE IS NECESSARY TO CONVERT FAT INTO ENERGY
B) CARNITINE IS STORED IN THE SKELETAL MUSCLES, HEART, BRAIN, AND SPERM
C) CARNITINE IS FOR CONVERTING CARBOHYDRATE TO FAT
D) CARNITINE ACTS AS AN ANTIOXIDANT

A

C) CARNITINE IS FOR CONVERTING CARBOHYDRATE TO FAT

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11
Q

A SANDWICH CONTAINS 25g OF CARBOHYDRATE, 15g OF PROTEIN, AND 10g OF FAT, HOW MUCH ENERGY DOES THE SANDWICH PROVIDE?

A

250 CAL

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12
Q

AS FATTY ACID CHAIN LENGTH INCREASES, MELTING POINT?

A

INCREASES

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13
Q

FATTY ACIDS SYNTHESIZED BY PLANTS AND ANIMALS HAVE AN ___NUMBER OF CARBONS?

A

EVEN 16 TO 18C

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14
Q

WHICH OF THE FOLLOWING ARE NAMING CONVENTIONS USED FOR FATTY ACIDS?

A)NAMED ACCORDING TO CHAIN LENGTH
B) NAMED ACCORDING TO THE NUMBER OF POLYUNSATURATED BONDS
C)NAMED ACCORDING TO THE LOCATION OF THE FIRST DOUBLE BOND FROM CARBOXYL END
D)ALL ARE CORRECT

A

A) NAMED ACCORDING THE THE CHAIN LENGTH

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15
Q

which option correctly identifies the potential energy(in kcalories) available to the human body for the stated amount of nutrient/food substance?

A) 15g OF PROTEIN: 60 kCALORIES
B) 10g OF FAT: 90 kCALORIES
C) 20g OF ALCOHOL: 140 kCALORIES
D) A,B, AND C ARE CORRECT

A

D) A, B, AND C ARE CORRECT

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16
Q

TRANS FATTY ACIDS:

A) ARE ONLY MANUFACTURED
B) HAS NO DOUBLE BONDS
C) HAS A BRANCHED STRUCTURE
D) NONE ARE CORRECT

A

D) NON ARE CORRECT

17
Q

WHICH OF THE FOLLOWING STATEMENTS ARE FALSE?
A) THE BACKBONE OF A TAG IS GLYCEROL WHICH IS SYNTHESIZED FROM CARBOHYDRATES
B) BOMB CLORIMETRY IN AN INDIRECT MEASURE OF GROSS ENERGY
C) LIPID IS LESS DENSE THAN WATER
D) TORPOR HAS BEEN KNOW TO DROP METABOLISM TO AS LOW AS 1% OF NORMAL

A

B) BOMB CALORIMETRY IS AN INDIRECT MEASURE OF GROSS ENERGY

18
Q

WHICH OF THE FOLLOWING IS TRUE?

A) MOST ENERGY IS STORED IN THE FORM OF TRIGLYCERIDES
B) RUMINANT-DERIVED TRANS CLA MAKES YOGURT A BEST CHOICE SNACK
C) ALL HIBERNATING ANIMALS STORE LARGE AMOUNTS OF FAT TO PROVIDE ENERGY DURING HIBERNATION
D) DIETARY CHOLESTEROL IS THE PRIMARILY SOURCE OF CHOLESTEROL IN THE BODY

A

A) MOST ENERGY IS STORED IIN THE FORM OF TRIGLYCERIDES

19
Q

THIS/ THESE MACRONUTRIENTS CAN YIELD GLUCOSE?

A) CARBOHYDRATES
B) LIPIDS
C) PROTEIN
D) ALL OF THESE

A

D) ALL OF THESE

20
Q

THIS/THESE MACRONUTRIENTS ARE CONVERTED TO ADIPOSE WHEN CONSUMED IN EXCESS OF ENERGY NEEDS:

A) CARBOHYDRATES
B) LIPIDS
C) PROTEIN
D) ALL OF THESE

A

D) ALL OF THESE

21
Q

WHICH OF THE FOLLOWING IS FALSE?

A) ENERGY IS EFFICIENTLY DIGESTED
B) ENERGY CAN BE SAID TO BE THE ABILITY TO PERFORM WORK
C) ENERGY IS NEEDED FOR ACTIVE TRANSPORT OF MULTIPLE NUTRIENTS
D) ENERGY IS NEEDED FOR THE TRANSFER OF GENETIC INFORMATION

A

A) ENERGY IS EFFICIENTLY DIGESTED

22
Q

USING BOMB CALORIMETER, ENERGY IS MEASURED IN WHAT UNITS?

A

CALORIE

23
Q

COLD WATER FISH ACCUMULATE HIGH LEVELS OF ___FATTY ACIDS FROM THEIR DIET?

A

OMEGA 3

24
Q

WHICH OF THE FOLLOWING IS FALSE?

A) SATURATED FATS ARE PRIMARILY FOUND IN OILS
B) PARTIALLY HYDROGENATED SOYBEAN OIL MAKES FATS MORE STABLE
C) HYDROGENATION CREATES TRANS-FATTY ACIDS
D) RUMEN MICROBES PRODUCE SATURATED FATTY ACIDS

A

A) SATURATED FATS ARE PRIMARILY FOUND IN OILS

25
Q

SOAPS FORM WHAT WHEN FATTY ACIDS ARE COMBINED WITH WHAT?

A

WATER, SODIUM, OR POTASSIUM

NOT WATER; CALCIUM OR MAGNESIUM

26
Q

UNSATURATED FATTY ACIDS OXIDIZE SPONTANEOUSLY IN PRESENCE OF OXYGEN. THIS CAUSES?

A

AUTO-OXIDATION
PEROXIDATION
RANCIDITY

27
Q

OXIDANTS DO WHAT?

A

DECREASE THE NUTRITIONAL VALUE OF FATS

28
Q

WHICH MACRONUTRIENT CONTRIBUTES ABOUT 60%^ OF BODY’S ENERGY DURING REST?

A

LIPIDS

29
Q

WHICH FATTY ACID IS CONSIDERED A CONDITIONAL ESSENTIAL FATTY ACID FOR SOME HUMANS?

A

DOCOSAHEXAENOIC ACID

30
Q

KEY FUNCTIONS OF LIPIDS ARE?

A

NORMAL GI TRACT FUNCTION

BLOOD PRESSURE REGULATION

31
Q

WHAT IS NOT A FUNCTION OF A LIPID?

A) ASSISTS WITH ABSORPTION OF VIT. A
B) MAINTAINNING THE INTEGRITY OF THE BLOOD VESSELS BEHIND THE RETINAL PHOTORECEPTERS
C) PROVIDES ENERGY THROUGH BETA OXIDATION
D) FATTY ACIDS CAN DIRECTLY SYNTHESIZE GLUCOSE

A

D) FATTY ACIDS CAN DIRECTLY SYNTHESIZE GLUCOSE

32
Q

LIPIDS ARE NOT A NORMAL COMPONENT OF?

A

TONGUE

33
Q

LIPIDS ARE A SIGNIFICANT COMPONENT OF WHAT?

A

GRAY MATTER
TESTES AND SPERM
MYELIN SHEATH