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Flashcards in Nutritionists perspective Deck (40)
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1

Which is the most widely used drug?

Alcohol, duh

2

what type of nutrient is alcohol?

non-essential nutrient

3

how much absorption of alcohol takes place in the stomach?

20%

4

How does the absorption of alcohol occur in the small intestine?

passive diffusion

5

how is alcohol excreted?

via the lungs, sweat and urine

6

how much is excreted by the lungs?

1-5%

7

how much is excreted by sweating?

<0.5%

8

how much is excreted by urine?

0.5-2%

9

Where is the primary metabolism site for alcohol?

liver

10

How is alcohol removed from the blood?

by oxidation

11

What does BAC stand for?

Blood alcohol concentration

12

what influences BAC (6)?

gender
race
chronic use
drinking pattern
food
medication

13

what are the physiological processes involved in alcohol?

Absorption, distribution, metabolism and excretion

14

what removes alcohol from the blood?

Time

15

If a man and a woman drink the same amount and weigh the same why does the woman get more pissed?

more fat on their body and therefore, less water

16

how does food affect BAC?

reduces absorption and increases elimination

17

When does BAC peak?

30-60 mins after consumption

18

how many calories are in 1g of alcohol?

7 kcal

19

How many units a week are recommended for men?

14 units

20

How many units a week are recommended for women?

14 units

21

What water soluble vitamin deficiencies are associated with alcohol? (3)

folate
B12
Nicacin

22

What fat soluble vitamin deficiencies are associated with alcohol? (1)

vitamin A

23

What mineral deficiencies are associated with alcohol?
(2)

Calcium
Zinc

24

by what mechanisms does alcohol cause deficiencies? (3)

decreases secretion of pancreatic enzymes and bile
damage to gut lining
decreased stores of vitamins in the liver (e.g. vit A)

25

How does alcohol affect nutritional status? (2)

impaired appetite and malnutrition

26

What vitamin is a thiamine deficiency associated with?

B1

27

What is vitamin B1 needed for? (3)

membranes
nerve conduction
ATP production

28

Why do levels of thiamine decrease in response to alcohol? (4)

decreased conversion by coenzyme
decreased storage
inhibition of intestinal absorption
increased demand

29

What are the 3 different types of thiamine deficiency?

Dry beri-beri
wet beri-beri
Wernicke-Korsakoff syndrome

30

What is Dry beri-beri?

Neurological condition where the patient experiences weakness and neuropathy