Mini Test #1 - Study Guide Flashcards
When exercise intensity increases, what other factors/variables will increase or decrease = ?
Mini Test Study Guide
- ↑ HR
- ↑ CO (Q)
- Mostly aerobic system, partly anaerobic
- The intensity determines the substrate used
Effect of aerobic exercises on the systems
Training at HR 120-140 bpm improves = ?
Mini Test Study Guide
- Training at HR 120-140 bpm improves cardiorespiratory system →
- Improve mitochondria and capillary density.
Glycogen Storage
- Glycogen in liver = ?
- Glycogen in muscle = ?
- Glycogen in blood = ?
Mini Test Study Guide
- Glycogen in liver = 100 g
- Glycogen in muscle = 350 g →
- LSD up to 750 g - Glycogen in blood = 20 g
Glycogenesis = ?
Mini Test Study Guide
Glycogenesis: converting glucose into glycogen.
Glycogenolysis = ?
Mini Test Study Guide
Glycogenolysis: breaking down of glycogen into glucose.
Gluconeogensis = ?
Mini Test Study Guide
Gluconeogensis: Glucose from non-carb source.
True or False:
- Endurance training has NO effect on increasing ATP & PC concentration
Mini Test Study Guide
True
- Endurance training has no effect on increasing ATP & PC concentration.
Six categories for nutrition = ?
Mini Test Study Guide
Six categories for nutrition:
- Carbs
- Lipids
- Proteins
- Vitamins
- Minerals
- Water
Hemoglobin
- Males = ?
- Females = ?
- Anemia = ?
Mini Test Study Guide
Hemoglobin:
- Males = 14-16 mg/dL (normal)
- Females: 13-15 mg/dL (normal)
- Anemia → less than 12 mg/dL (abnormal)
How do you measure energy
Measuring heat production to determine metabolic rate = ?
Mini Test Study Guide
Direct calorimetry:
- Measuring heat production to determine metabolic rate.
Resting energy use: Basal metabolic rate → typically taken in a darkened room upon waking after eight hours of sleep, 12 hours of fasting to ensure that the digestive system is inactive, and with the subject resting in a reclined position)
Factors to consider: gender, body temperature, stress body surface area
Resting metabolic rate = 1 MET
How do you measure energy
Using oxygen utilized, CO2 produced, and their ratio to calculate metabolic rate = ?
Mini Test Study Guide
Indirect Calorimetry:
- Using oxygen utilized, CO2 produced, and their ratio to calculate metabolic rate.
How do you measure energy
Basal metabolic rate = ?
Mini Test Study Guide
Resting energy use:
- Basal metabolic rate = Typically taken in a darkened room upon waking after eight hours of sleep, 12 hours of fasting to ensure that the digestive system is inactive, and with the subject resting in a reclined position).
- Typically taken in a darkened room upon waking after eight hours of sleep
- 12 hours of fasting to ensure that the digestive system is inactive, and with the subject resting in a reclined position)
Normal blood glucose levels range between = ?
Mini Test Study Guide
Normal blood glucose levels range between 75 mL - 100 mL
At rest (?) of energy comes from fat and (?) from carbs.
Mini Test Study Guide
- At rest ⅔ of energy comes from fat and ⅓ from carbs.
- You need more O2 to break down fat.
Substrate Utilization
- Low intensity exercise = ?
- Moderate intensity exercise = ?
- High intensity exercise = ?
Mini Test Study Guide
- Low intensity: Carbohydrates, fat metabolism, and potentially protein metabolism.
→ will rely on aerobic metabolism
- Moderate intensity: Carbohydrates
→ will utilize both anaerobic and aerobic systems
- High intensity: Carbohydrates
→ will rely on ATP-PC and anaerobic metabolism
System Flow = ?
Mini Test Study Guide
System Flow:
- ATP→
- ATP-PC →
- Anaerobic glycolysis (lactate produced) →
- Aerobic glycolysis →
- Kreb’s cycle →
- ETC (uses carbohydrates, proteins, and fats)
ATP- PC system as it only lasts (?)
Mini Test Study Guide
ATP-PC system as it only lasts about 10 secs.
ATP concentration is ? X less than PC.
Mini Test Study Guide
ATP concentration is 4 x less than PC.
Time for HR to return to normal
- Low intensity = ?
- High intensity = ?
Mini Test Study Guide
Time for HR to return to normal
- Low intensity = HR will go back to normal after 2-3 minutes.
- High intensity = HR will go back to normal after 10 minutes.
True or False:
- When RER (respiratory exchange rate) goes up the utilization of fat will decrease, and the the use of carbohydrates will increase.
Mini Test Study Guide
True -
When RER (respiratory exchange rate) goes up, fat utilization will decrease, and carbohydrates will increase.
- Proteins are used barely but will be used in between.
After 60 sec. of exercise, and 60 sec. of rest, HR should decrease by ? bpm.
Mini Test Study Guide
- Average heart rate recovery 1 minute after exercising was decreasing around 15 bpm or for male athletes around 29 bpm.
- Good HR recovery for adults after 60 seconds of rest is decreasing by 18 bpm or higher
Average HR recovery (bpm) / minute
- Adult = ?
- Athlete = ?
Mini Test Study Guide
Average HR recovery (bpm) / minute
- Adult = - 15
- Athlete = - 29
Systolic blood pressure goes up (?) mmHg/MET.
Mini Test Study Guide
- Systolic blood pressure goes up 5-10 mmHg/MET
- Diastolic may go up or down
Examples:
- 1 MET (70bpm) 120/80
- 2 METs (90bpm) 125/80
- 3 METs (95bpm) 135/85
- 4-4.5 METs (105bpm) 145/80
RQ is = ?
Mini Test Study Guide
RQ = volume Co2 / volume O2
RQ
- Carbs = ? RQ
- Fat = ? RQ
- Proteins = ? RQ
Mini Test Study Guide
- Carbs = 1 RQ
- Fat = 0.7 RQ
- Proteins = 0.8 RQ
Work and oxygen
1kg/m = (?) mL of oxygen
Mini Test Study Guide
Work and Oxygen:
1kg/m = 1.8 mL of oxygen
RER of 0.80 (Rest) utilizes ?% carbs and ?% triglycerides
Mini Test Study Guide
RER of 0.80 (Rest) utilizes 33.4% carbs and 66.6% triglycerides
- Respiratory Exchange Ratio (RER) is the ratio between the volume of CO2 being produced by the body and the amount of O2 being consumed.
- This value of this ratio gives us an indication as to whether the body is operating aerobically or anaerobically.
RPE and % of MHR
- 6-8 RPE = ? % of max HR
- 9-12 RPE = ? % of max HR
- 13-16 RPE = ? % of max HR
- 17-20 RPE = ? % of max HR
Mini Test Study Guide
RPE and % of MHR:
- 6-8 RPE = 60-69% of max HR
- 9-12 RPE = 70-79% of max HR
- 13-16 RPE = 80-89% of max HR
- 17-20 RPE = 90-100% of max HR
1 MET = roughly ? % MHR
Mini Test Study Guide
1 MET = roughly 31.8 % MHR (70 BPM)
Glucose:
- ? g in liver
- ? g in muscle
- ? g in blood
Mini Test Study Guide
Glycogen:
- 100 g in liver
- 350 g in muscle
- 5 g in blood
Fatty acids & Triglycerides
- Saturated FA come from ? products.
- Unsaturated FA from ? products.
Mini Test Study Guide
(a) Fatty acids:
- Saturated = animal products
- Unsaturated = plant products
(b) Triglycerides:
- 1 Glycerol molecule + 3 fatty acids
- Fats (20% - 9 Kcal/g)
Amino Acids
- Number of essential amino acids = ?
- Number of non-essential amino acids = ?
Mini Test Study Guide
Amino Acids (20):
- 9 - Essential amino acids
- Must be ingested in food; cannot be synthesized
- 11 - Nonessential amino acids
- Can be synthesized by body
Proteins (10-15% - 4 Kcal/g)
- Hyperthyroid: You need to have (?) resting kilocalories.
- Hypothyroid: you need to have (?) resting kilocalories
Mini Test Study Guide
- Hyperthyroid: you need to have higher resting kilocalories.
- Hypothyroid: you need to have lower resting kilocalories.
1 MET = ?
Mini Test Study Guide
1 MET = 3.5 mL of O2/kg/min
Examples:
- Resting HR - 70 bpm
- Walking (90 bpm) = 2 MET = 7.0 mL of O2/kg/min
- Fast walking (95 bpm) = 3 MET = 10.5 mL of O2/kg/min
- 10 stairs/10 secs - 4-4.5 MET = 15.75 mL of O2/kg/min
- MET: Minimum level of energy required to sustain the body’s vital functions in the resting state.
1 Met and BP
- Systolic BP ? mmHg / MET
- Diastolic ? mmHg / MET
Mini Test Study Guide
Increase 1 MET → 3.5 mL of O2/kg/min
- Raises systolic BP 5-10 mmHg/MET.
- Diastolic 5 mmHg up or down as a whole, not per MET
The maximal rate at which oxygen can be consumed = ?
Mini Test Study Guide
Max VO2:
- The maximal rate at which oxygen can be consumed
50% MaxVO2 = ? % of MHR
Mini Test Study Guide
50% MaxVO2 = 60% of MHR
The greatest amount of fat use occurs at about ? % of the maximal aerobic capacity.
Mini Test Study Guide
The greatest amount of fat use occurs at about 60% of the maximal aerobic capacity.
Fate of lactate = ?
3
Mini Test Study Guide
Fate of lactate:
- Excretion in urine and sweat
- Conversion to glucose and glycogen
- Oxidation to carbon dioxide and water
↑ Accumulation blood lactate = Low tissue ?
Mini Test Study Guide
↑ Accumulation blood lactate = Low tissue O2
How is lactate formed = ?
Mini Test Study Guide
Lactate Formation:
- Decreased O2 consumption → increased acidity levels→ intensity increases = decrease in blood pH → formation of blood lactate
Notes:
- Reliance on glycolysis
- Activation of fast twitch fibers that can’t work at aerobic intensity
- Results in decrease rate of lactate removal.
- Reliance on glycolysis
- Activation of fast twitch fibers that can’t work at aerobic intensity
- Results in decrease rate of lactate removal
Anaerobic Metabolism
- Generates = ?
- Relies on = ?
review
Mini Test Study Guide
Anaerobic Metabolism:
- No O2 required
- Generates energy, CO2, and lactate
- Lactate production decreases production of useful energy = diminishing intensity or speed of activity.
- Energy is made available quickly to muscle.
- Major energy source during high intensity, short duration activity.
- Only involves carbohydrates
Aerobic Metabolism
- Generates = ?
- Relies on = ?
Mini Test Study Guide
Aerobic Metabolism:
- Oxygen required
- Generates energy, CO2, and water
- All products can readily be used or expelled
- Used at rest and during long duration, lower intensity activity
- Most commonly involves carbohydrates and fat
- Can involve protein
Calorie intake per day formula = ?
Mini Test Study Guide
Calorie intake per day:
- 1.2-1.5 kcal/kg/hr =
- 1.0 kcal x 70 kg x 24 hr = 1680 kcal
Creatine
- Found in = ?
- Normal ammount in body = ?
Mini Test Study Guide
Creatine:
- Found in the muscles and brain.
- Most people get through natural sources like meats, but you can also take supplements.
- The body’s liver, pancreas, and kidneys also make 1 gram daily → amino acids are converted into creatine phosphate which is then stored in skeletal muscle and used for energy.
- Normal in body: 0.7-1.3 g
Aerobic glycolysis ATP = ?
Mini Test Study Guide
Aerobic glycolysis ATP = 35
Anaerobic glycolysis ATP = ?
Mini Test Study Guide
Anaerobic glycolysis ATP = 2-3
1 L of O2 consumption produces (?) Kcal of energy.
Mini Test Study Guide
Breathing and oxygen utilization:
- 21%-16%
- 1 liter of O2 consumption produces 5 Kcal of energy
- Glucose→ uses less O2 to metabolize (6 moles) = Less ATP
- Fat → uses more O2 to metabolize (23 moles) More ATP
Aerobic adaptations to exercise = ?
Mini Test Study Guide
Aerobic Adaptations to Exercise:
- Increased mitochondrial density and volume.
- Enhanced blood supply to muscles.
- Improved enzymatic activity for aerobic metabolism.
- Elevated lactate threshold, delaying onset of muscle fatigue.
Anaerobic Adaptations to Exercise
Mini Test Study Guide
Anaerobic Adaptations to Exercise:
- Increased muscle glycogen storage.
- Improved buffering capacity to reduce lactic acid buildup.
- Enhanced glycolytic enzyme activity.
- Increased ATP-PC system efficiency for rapid energy production.
Vitamin B12
- Important for = ?
- Helps form = ?
Mini Test Study Guide
Vitamin B12:
- Important for metabolism.
- Helps form red blood cells & maintain thecentral nervous system.
Vitamin C
- Is an = ?
- Helps the body absorb = ?
- Essential for = ?
Mini Test Study Guide
Vitamin C:
- Is an antioxidant that promotes healthy teeth and gums.
- Helps the body absorb iron and maintain healthy tissue.
- Essential for wound healing.
Vitamin D
- Helps the body absorb = ?
Mini Test Study Guide
Vitamin D:
- Helps the body absorb calcium.
- Helps maintain proper blood levels ofcalcium andphosphorus.
Vitamin E
- Is an = ?
- Helps the body form = ?
Mini Test Study Guide
Vitamin E:
- Is an antioxidant.
- Helps the body form red blood cells and use vitamin K.
Vitamin K
- Aids in = ?
Mini Test Study Guide
Vitamin K:
- Aids in blood coagulation.
- Some studies suggest that it is important for bone health.
What minerals are required in amounts of more than 100mg a day.
6
Mini Test Study Guide
Required Minerals (100mg/day):
- Calcium
- Phosphorus
- Magnesium
- Potassium
- Sodium
- Chloride
Calcium
- Needed for = ?
- Found in = ?
Mini Test Study Guide
Calcium:
- Needed for = Strong bones and teeth. Works with vitamin D.
- Found in =Dairy products, broccoli, tofu, sardines and salmon.
Phosphorus
- Needed for = ?
- Found in = ?
Mini Test Study Guide
Phosphorus:
- Needed for =Strong bones and teeth, energy metabolism.
- Found in =Dairy products, meat and poultry. In fact, virtually all food contains some
Magnesium
- Needed for = ?
- Found in = ?
Mini Test Study Guide
Magnesium:
- Needed for =Strong bones and teeth and a healthy nervous system.
- Found in =Wholegrain cereals, nuts, dairy products, meat, fish, poultry, green vegetables and bananas.
Potassium
- Needed for = ?
- Found in = ?
Mini Test Study Guide
Potassium:
- Needed for =Maintaining fluid (electrolyte) and acid/alkaline balance in the body, a regular heartbeat and healthy nerve impulses.
- Found in =Fruit, vegetables, milk, fish, meat, brown rice and wholegrains.
Sodium
- Needed for = ?
- Found in = ?
Mini Test Study Guide
Sodium:
- Needed for =Maintaining fluid (electrolyte) and acid/alkaline balance in the body and healthy nerves and muscles.
- Found in =Sodium chloride added to nearly all processed/cooked food.
Iron
- Needed for = ?
- Found in = ?
Mini Test Study Guide
Iron:
- Needed for =A vital part of hemoglobin, which transports oxygen from the lungs to the rest of the body.
- Found in =Meat, fish, eggs, beans, wholegrains, nuts and fortified breakfast cereals.
Trace mineral
Manganese
- Needed for = ?
- Found in = ?
Mini Test Study Guide
Manganese:
- Needed for =Healthy joints and sex hormone balance.
- Found in =Tea, wholegrains, nuts and avocados.
Trace mineral
Iodine
- Needed for = ?
- Found in = ?
Mini Test Study Guide
Iodine:
- Needed for =Correct functioning of the thyroid, which controls energy production, metabolism and promotes growth.
- Found in =Fish, seafood, dairy products.
Trace mineral
ATP + H20 → ? + ?
Mini Test Study Guide
ATP + H20 → ADP + Pi
- ADP + Pi + H+ = ?
Mini Test Study Guide
- ADP + Pi + H+ = ATP
Anaerobic Glycolysis of C6H1206 → ? + ? + ?
Mini Test Study Guide
Anaerobic Glycolysis of C6H1206 → Energy + 3ADP + Pi
- (2-3 ATP)