DLA 33 and lecture 51 Flashcards Preview

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Flashcards in DLA 33 and lecture 51 Deck (18)
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1

What is resting metabolic rate (RER)?

The energy expended to carry out normal body functions

2

What factors impact the RER?

age, gender, temperature, injury factor, etc.

3

How can the total energy expenditure (TEE) be estimated?

BMR = 24 kcal per 1kg

RMR = BMR + 10%

TEE = RMR / 75%

4

The diet requires what percentage of each macronutrient?

carbs = 40 percent
proteins = 30 percent
Fats = 30 percent

5

How to convert from percentage to grams in regard to carbs?

0.40 x 2000 = 800 / 4 = 200g

6

Dietary doses of DHA and EPA reduce?

1. Arrhythmia
2. heart rate
3. blood pressure

omega 3's

7

What is a high and low glycemic index?

high = anything above 70

low = anything below 55

8

What are the essential amino acids?

PVT TIM HALL

9

What is a respiratory quotient?

Determines what macromolecule is being used for metabolism

RQ = 1 = carbs

RQ = 0.84 = protein

RQ = 0.71 = fats

10

What does ghrelin do?

peptide hormone that is produced by the stomach in order to simulate hunger

short-term

11

cholecystokinin and PYY?

produced by the small intestine to simulate short-term fullness

short-term

12

What does leptin do?

peptide hormone produced by adipose tissue

decreases appetite and desire to eat

Overeating and chronic high fructose consumption may lead to leptin resistance and obesity.

13

Kwashiorkor?

protein deficiency due to malnutrition

14

Marasmus?

deficient in calories due to malnutrition

15

How to estimate muscle/ fat ratio?

1. triceps skinfold (body fat)

2. mid-arm muscle circumference (muscle mass)

3. Bioelectric impedance analysis (body fat)

4. DEXA scan (body fat)

16

waist to hip ratios?

greater than 0.8 for women and greater than 1 for men is apple-shape

below 0.8 for women and below 1 for men is the pear shape

17

what can be found in a patient that is protein deficient/

low albumin levels

18

What two hormones counteract ghrelin

leptin and insulin

long-term signals