Metabolism
Anabolism ______ energy and Catabolism ______ energy.
Anabolism = requires energy
Catabolism = releases energy
When intake is greater than expenditure/weight gain
What is the best approach when treating an eating disorder?
Multi-team approach
Is the thirst mechanism a reliable hydration indicator?
No
Juice cleanse, carnivore, keto/low carb, grape fruit diet
Give an example of a Catabolic reaction?
Beta Oxidation = Fatty acids --> Acetyl-CoA
Deamination = Amino Acids --> carbon skeleton + ammonia
Glycolysis = Glucose --> pyruvate --> Acetyl CoA
What is the standard kcal deficit range?
500-1000 kcal/day
What is the classic run of fat? 1lb fat = _____ kcals?
3500
What supplements should a well-nourished athlete consume?
NONE
When is your Extra Credit Assignment, and when is it due?
A 45 second video teaching/explaining a concept you've learned in the class. It is due May 1st at 11:59pm. DO IT!
During the early hours of fasting, what is the primary source used to maintain blood glucose for the brain?
Glycogen stores (early fasting)
Review:
Gluconeogenesis - later fasting
Ketone bodies - prolonged fasting/starvation
When a person loses weight, what happens to the number and size of their fat cells?
They decrease in size, but not number
BMI is appropriate for everyone - True or False, and EXPLAIN!
False, it does not take into account lean muscle tissue or fat distribution
When does Muscle Atrophy occur?
Hypothermia occurs when body temp gets too (High or Low)
Low, and the body can't warm itself back up.
All amino acids are metabolized either directly, or indirectly, eventually into
Acetyl-CoA
What is the hormone that is secreted in the stomach and increases feelings of hunger?
Ghrelin = Hunger Gremlin
Sally often has episodes where she eats very large amounts of food and then purges by vomiting to prevent weight gain. She feels ashamed and lots of guilt when this happens and it becomes a cycle. What eating disorder is this an example of?
Bulimia Nervosa
When should pregame meals be consumed?
1-4 hours before a competition
The suffix '-genesis' refers to
building
Glucose is broken down through ________
Fatty Acids are broken down through _______
Protein is broken down through _________
Glycolysis, Beta Oxidation, Deamination
What are the three components of energy expenditure
Basal Metabolism, Physical activity, Thermic Effect of Food
What macronutrient would be the major fuel source of high-intensity physical activity?
Carbohydrates
Tell me the order of the energy systems. We first use muscle stores of ATP which last 1-2 seconds... then what?
Phosphagen System (10-30 seconds)
Lactic Acid system (30 seconds - 3 minutes)
Aerobic glycolysis (over 3 minutes to several hours)
What is the date and time of your Final Exam?
Friday May 8th from 8:00am - 10:00am in our classroom.
1. I cannot let you take the final early
2. I also wish the final was not on Friday... I have to stay and grade them! So please stop asking :)