Extra Qs (From ELE + Past Papers)

Question 1

What does LRNI stand for?

Answer 1

Lower reference nutrient intake

Question 2

What is the adenylate kinase reaction most closely associated with?

Answer 2

High exercise intensities

Low muscle pH

Question 3

On average, how many kcal are produced when 1L of O2 is consumed?

Answer 3

5

Question 4

What is the gold standard measurement of energy expenditure in a human?

Answer 4

Doubly labelled water

Question 5

What would be the preferred and easiest method of energy intake assessment if you wanted to establish eating patterns of a population sample over the course of a year?

Answer 5

FFQ

Question 6

Where are proteins broken down?

Answer 6

Stomach

Duodenum

Ileum

Question 7

What feeling does CCK promote?

Answer 7

Feelings of fullness

Question 8

When is CCK stimulated?

Answer 8

When fat is present?

Question 9

How much gross energy (kcal) is produced from the complete breakdown of protein?

Answer 9

5.65

Question 10

What enzyme catalyses the conversion of glycogen phosphorylase b (inactive) to glycogen phosphorylase a (active)?

Answer 10

Glycogen phosphorylase kinase

Question 11

What is the function of gastrin?

Answer 11

stimulates glands to secrete HCL acid & pepsinogen in the stomach

Question 12

What is important for De novo lipogenesis?

Answer 12

Acetyl co A

Question 13

The ubiquitin protease system may be particularly important following exercise, because…

Answer 13

It targets specific proteins

Question 14

In normal healthy individuals body proteins can be excreted as…

Answer 14

Skin

Hair

Question 15

Which two electrolytes are the main minerals contained in plasma and extracellular fluids?

Answer 15

Sodium + chlorine

Question 16

Which hormone most commonly increases satiety?

Answer 16

GLP-1

Question 17

When do ketone bodies form?

Answer 17

When lipid oxidation predominates

Question 18

Resting metabolic rate contributes ________% to total daily energy expenditure

Answer 18

60-75%

Question 19

What does Obligatory thermogenesis refer to?

Answer 19

Energy needed to digest, absorb + assimilate food nutrients.

Question 20

Where are polysaccharides broken down?

Answer 20

Mouth

Micro-villi

Duodenum

Question 21

In what tissue/s can G-6-Phosphatase be found?

Answer 21

Liver

Question 22

What is the a-ketoacid of alanine?

Answer 22

Pyruvate

Question 23

What happens to net balance following resistance exercise only

Answer 23

Increases but remains -ive

Question 24

Thiamin deficiency can result in a condition known as

Answer 24

Beriberi

Question 25

What factor might help suppress appetite after exercise

Answer 25

Elevated body temp

Question 26

Fatty acid oxidation is highest at what exercise intensity?

Answer 26

40-70% VO2max

Question 27

What does EAR stand for?

Answer 27

Estimated avg requirement

Question 28

What does AI stand for?

Answer 28

Adequate intake

Question 29

What is the difference between the RQ and RER?

Answer 29

RQ = Representation of metabolic GE in cell. RER = Representation of metabolic GE in lungs.

Question 30

What is the most potent regulator of ATP resynthesis?

Answer 30

AMP conc.

Question 31

1 L of O2 consumption w/ a mixed diet releases how many kJ of energy?

Answer 31

21

Question 32

What enzyme enables the triglyceride from the chylomicron to enter the cell?

Answer 32

LPL

Question 33

Which enzyme released from the pancreas helps the digestion of protein?

Answer 33

Trypsin

Question 34

Is fructose uptake insulin dependent?

Answer 34

NO

Question 35

What is the process called when fatty acids join with glycerol to make a triglyceride after they have been through lipolysis?

Answer 35

Re-esterification

Question 36

Which vitamins could be stored in adipose tissue?

Answer 36

ADEK

Question 37

Which of the following nutritional aids has been shown to be beneficial to immune function during intensified periods of training? a. vitamin k b. calcium c. fat d. protein

Answer 37

Protein

Question 38

When is hypoglycaemia reached?

Answer 38

When blood sugar is less than 4 mmol

Question 39

In aerobic oxidation, what must happen so beta-oxidation can occur?

Answer 39

Oxygen must join with hydrogen

Question 40

Excess consumption of which vitamin has the same symptoms as insufficient intake?

Answer 40

D

Question 41

Which part of the energy transfer chain do FAs get accepted in?

Answer 41

B-oxidation

Question 42

EQUATION for energy balance

Answer 42

EI = (RMR + TEF) + PAEE

Question 43

If a 70kg male who is highly trained runs a 10km race in 38 minutes which estimation of kcal used is the best?

Answer 43

700kcal

Question 44

Skeletal muscle glycogen cannot enter the general circulation as glucose because skeletal muscle does not contain which of the following enzymes? a. phosphofructokinase b. Hexokinase c. Glycogen phosphorylase d. Glucose-6-phosphatase

Answer 44

G-6-P

Question 45

What provides the largest avenue for lipid transport in the blood?

Answer 45

Lipoproteins

Question 46

What is the largest store of lipid in the body?

Answer 46

Adipose tissue

Question 47

What activates HSL?

Answer 47

Cyclic AMP

Question 48

What proportion of total amino acid uptake by the liver during exercise is made up of alanine?

Answer 48

50%

Question 49

Deficiency of B12 leads to what disease?

Answer 49

Megaloblastic anemia

Question 50

Generally speaking, what percentage of VO2max is fat oxidation highest?

Answer 50

65%

Question 51

What percentage of total energy expenditure is resting metabolic rate typically?

Answer 51

65-75%

Question 52

What does high intensity exercise do in terms of appetite and hunger?

Answer 52

Suppresses appetite

Question 53

What effect does dietary nitrate ingestion have on VO2 at submaximal exercise intensities? (exclude elite athletes)

Answer 53

Decreases