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ISSA CPT 10.0 Exam Prep > Chapter 6: Energy and Metabolism > Flashcards

Chapter 6: Energy and Metabolism Flashcards

1
Q

Macronutrients

A

A type of food necessary in large quantities in the diet to support function and energy production, i.e. carbohydrate, protein, and fat.

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2
Q

Metabolism

A

All of the chemical processes that occur in the body to support life including converting food into energy.

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3
Q

Bioenergetics

A

The study of how energy is transformed in living organisms.

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4
Q

Cells

A

The building blocks of all living organisms.

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5
Q

Organelles

A

Tiny structures within cells, each with a unique function.

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6
Q

Plasma Membrane

A

The cellular membrane made of lipids and proteins that forms the external boundary of the cytoplasm and regulates the passage of molecules in and out of the cytoplasm.

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7
Q

Cytoplasm

A

The viscous fluid inside a living cell excluding the nucleus.

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8
Q

Phospholipid Bilayer

A

The dual layer of lipids that make up the cell membrane of most human cells.

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9
Q

Fatty Acids

A

The smaller, absorbable building blocks of the fat that is found in the body.

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10
Q

Deoxyribonucleic Acid

A

Self-replicating genetic material in human cells.

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11
Q

Gluconeogenesis

A

The generation of new glucose molecules from non-carbohydrate carbon substrates.

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12
Q

Glycolysis

A

The breakdown of glucose by enzymes, releasing energy and pyruvic acid.

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13
Q

Mitosis

A

Cell division that results in two cells identical to the original cell.

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14
Q

Ribosomes

A

Small cellular organelles involved in polypeptide and protein synthesis.

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15
Q

Endoplasmic Reticulum

A

A network of tubules attached to the nuclear membrane in cells.

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16
Q

Rough Endoplasmic Reticulum

A

Endoplasmic reticulum with ribosomes attached.

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17
Q

Smooth Endoplasmic Reticulum

A

Endoplasmic reticulum that lacks ribosomes.

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18
Q

Glycogen

A

The stored form of glucose found in muscle tissue and the liver.

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19
Q

Golgi Apparatus

A

An organelle of folded membranes responsible for packaging and transporting membrane-bound proteins.

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20
Q

Glycoproteins

A

A class of proteins with a carbohydrate group(s) attached.

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21
Q

Lysosomes

A

An organelle filled with digestive enzymes that breaks down materials the cell has absorbed.

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22
Q

Mitochondria

A

An organelle with a double membrane and many folds inside responsible for generating the chemical energy needed for biochemical reactions.

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23
Q

Oxidative Phosphorylation

A

The energy-producing process that occurs in mitochondria in the presence of oxygen.

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24
Q

Glucose

A

A simple sugar the body uses for energy production on the cellular level.

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25
Q

Triglycerides

A

The main component of adipose tissue made of three fatty acids and a glycerol molecule.

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26
Q

Respiratory Quotient

A

A method of determining the fuel mix being used; a way to measure the relative amounts of fats, carbohydrates, and proteins being burned for energy.

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27
Q

Indirect Calorimetry

A

A way to measure energy expenditure by oxygen consumed and carbon dioxide produced.

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28
Q

Respiratory Quotient equation

A

RQ = volume CO2 exhaled / volume of O2 inhaled

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29
Q

Adenosine Triphosphate

A

An energy-carrying molecule used to fuel body processes.

30
Q

Adenosine Diphosphate

A

An organic compound essential to the flow of energy in living cells.

31
Q

Energy Pathways

A

The chemical-reaction pathways that supply the body with energy on a cellular level.

32
Q

Anaerobic

A

Without or not requiring oxygen.

33
Q

Creatine Phosphate

A

A high energy molecule stored in skeletal muscle, the myocardium, and the brain.

34
Q

ATP / CP Energy Pathway

A

The anaerobic energy system that provides rapid energy using creatine phosphate to generate ATP.

35
Q

Anaerobic Glycolysis

A

The anaerobic energy system converting glucose to lactate when oxygen is limited.

36
Q

Lactic Acid

A

The chemical by-product of anaerobic glycolysis.

37
Q

Anaerobic Threshold

A

The point at which the body switches from aerobic metabolism to primarily anaerobic metabolism.

38
Q

Lactate Threshold

A

The maximum effort or intensity an individual can maintain for an extended time with minimal effect on blood lactate levels. This is the point where muscle tissue begins to make large amounts of lactate.

39
Q

Lactic Acidosis

A

The accumulation of excess H+ causing muscle fatigue and soreness.

40
Q

Aerobic Energy Pathways

A

Cellular energy pathways that require oxygen for energy production.

41
Q

Aerobic Glycolysis

A

The breakdown of glucose to ATP in the presence of oxygen.

42
Q

Oxidation

A

The chemical reaction of combining with oxygen or removing hydrogen.

43
Q

Oxidative Energy Pathway

A

An aerobic energy pathway using primarily fat and carbohydrates to produce energy.

44
Q

Krebs Cycle

A

A series of chemical reactions inside the mitochondria that use acetyl-CoA to generate ATP and other substrates that contribute to the electron transport chain.

45
Q

Electron Transport Chain

A

A series of proteins in the mitochondrial membrane that transfer electrons and hydrogen ions across the membrane to generate ATP from ADP.

46
Q

Pyruvate

A

A metabolic intermediate molecule in several energy pathways.

47
Q

Hypoglycemia

A

The condition of lower-than-normal blood glucose.

48
Q

Steady-State Exercise

A

Exercise that maintains a steady level of exertion from start to finish.

49
Q

Excess Postexercise Oxygen Consumption

A

The amount of oxygen required to restore normal metabolic status.

50
Q

Calories

A

The amount of energy needed to raise the temperature of 1 kilogram of water by 1°C (4,184 joules) at a pressure of 1 atmosphere.

51
Q

Carbohydrate calorie yield per gram

A

4 calories

52
Q

Protein calorie yield per gram

A

4 calories

53
Q

Fat calorie yield per gram

A

9 calories

54
Q

Energy Balance

A

The state achieved when energy intake is equal to energy expenditure.

55
Q

Positive Energy Balance

A

More energy is consumed than expended.

56
Q

Negative Energy Balance

A

More energy is expended than consumed.

57
Q

Total Daily Energy Balance

A

The accumulated calorie burn made up of resting metabolic rate, the thermic effect of food, physical activity, and physical growth.

58
Q

Resting Metabolic Rate

A

The energy expenditure of metabolic and physical processes when the body is at rest.

59
Q

Thermic Effect of Food

A

The energy expenditure associated with food digestion and absorption.

60
Q

Resting Metabolic Rate Equation for Women

A

Women = 655.0955 + (9.5634 x weight in kg) + (1.8496 x height in cm) – (4.6756 x age in years)

61
Q

Daily Calorie Expenditure

A

The total number of calories an individual expends including their resting metabolic rate, activity level factor, and the thermic effect of food.

62
Q

Activity Level Factor

A

Multipliers that reflect varying levels of activity.

63
Q

Diet-Induced Thermogenesis

A

The thermic effect of macronutrient digestion and absorption.

64
Q

Exercise Activity Thermogenesis

A

Energy expended as a result of planned, structured, and repetitive movement with the goal of improving or maintaining physical fitness.

65
Q

Non-Exercise Activity Thermogenesis

A

Energy expended as a result of any movements of the body that require energy. This includes all activities of daily living outside of planned and structured workouts.

66
Q

Weight Management

A

The physiological processes and techniques one uses to achieve or maintain a specific body weight.

67
Q

Somatotype

A

Categories of physical body type.

68
Q

Ectomorph

A

Long and lean with little body fat and little muscle mass

69
Q

Endomorph

A

Thicker, rounder and with a lot of bodyfat and muscle mass

70
Q

Mesomorph

A

Athletic, muscular build with broad shoulder and healthy body weight.

ISSA CPT 10.0 Exam Prep (19 decks)

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