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GI- Week 1 > Skildom: Nutrition, Energy > Flashcards

Skildom: Nutrition, Energy Flashcards

1
Q

What is the eqtn for BMI?

A

Weight (kg) / Height2 (cm)

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2
Q

What if the BMI is <19?

A

underweight

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3
Q

What if the BMI is >25?

A

Overweight

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4
Q

How do you quantify metabolism?

A

BMR
RMR
REE
TEE

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5
Q

What is BMR?

A

Kcal/day

Measured under standardized conditions

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6
Q

What is RMR?

A

Kcal/unit time

similar to BMR but LESS standardized conditions

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7
Q

What is REE?

A

Resting Energy expenditure kcal/day (if all you do is sleep and eat)

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8
Q

What is TEE?

A

Total energy expenditure

kcal/day

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9
Q

What is the eqtn for TEE?

A

REE plus energy expanded in physical activity, wound repair.

TEE= REE x 1.4 for healthy active adult

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10
Q

What are the three components of human energy expenditure?

A

EEPA- energy expenditure of physical activity
TEF= thermic effect of food
BMR= basal metabolic rate

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11
Q

What is the gold standard for measuring metabolism?

A

Direct calorimetry

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12
Q

How is metabolism usually measured?

A

Indirect calorimetry

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13
Q

What does indirect calorimetry measure?

A

Volume of inspired air and expired air

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14
Q

What is the eqtn for RQ?

A

volume of CO2 exhaled/ volume of O2 inhaled

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15
Q

What is the least oxidized fuel and how does htis affect indirect calorimetry?

A

FAT (most reduced)

Requires MORE O2 inhaled for each CO2 exhaled

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16
Q

Describe the oxidation state of protein?

A

BEtween carbohydrate and fat.

17
Q

What isthe most oxidized dietary fuel?

A

Carbohydrates

Requires LESS O2 inhaled for each O2 exhaled

18
Q

Rank RQ from lowest to highest for the dietary fuels.

A

Fat< Carb

19
Q

What does an increase in RQ suggest?

A

Hyperventilation
overfeeding
acidosis

20
Q

What does a decrease in RQ suggest?

A 
Hypoventilation
Underfeeding
Alkalosis
Ketosis
Ethanol

GI- Week 1 (12 decks)

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