APK6167 - Nutrition Flashcards
Which of the following statements is true regarding meal frequency recommendations?
a.) if protein levels are adequate, increasing meal frequency during periods of hypoenergetic dieting may preserve lean body mass in athletic populations.
b.) increasing meal frequency has no effect on blood markers of health such as LDL cholesterol, insulin, etc.
c.) increasing meal frequency will favorably change body composition in a sedentary population
d.) increasing meal frequency significantly enhances diet-induced thermogenesis and total energy expenditure
a.) if protein levels are adequate, increasing meal frequency during periods of hypoenergetic dieting may preserve lean body mass in athletic populations.
The ____________ the fatty acid, the more solid it is at room temperature.
a.) acidic
b.) shorter
c.) longer
c.) longer
True or False: if you are not a licensed or registered dietitian/nutritionist, you cannot provide nutrition education to athletes.
False
Which of the following best describes a nutrient that cannot be made within the body or made in sufficient quantities?
a.) required nutrient
b.) critical nutrient
c.) essential nutrient
d.) indispensable nutrient
c.) essential nutrient
Percent Daily Value (%DV) listed on food labels is based on the needs of an individual who is following a _______ diet.
a.) 3000kcal
b.) 2000kcal
c.) 2500kcal
d.) 1500kcal
b.) 2000kcal
During a competition lasting longer than 60 mins, which of the following would be an appropriate recommendation regarding carbs?
a.) consume carbs at a rate of 30-60g per hour
b.) consume carbs in the form of fruit
c.) consume fewer carbs and more fats as the race progresses
d.) consume carbs only in the form of sports beverages
a.) consume carbs at a rate of 30-60g per hour
Jason is an elite cross-country athlete who is training 6 days per week, 1-3 hours per day. He weighs 135lbs. What should his carb intake be?
a.) 810g per day
b.) 615g per day
c.) 1,350g per day
d.) 350g per day
b.) 615g per day
True or False: carb intake recommendations range from 3-12g per kg of body weight.
True
Which of the following is true regarding dietary fiber?
a.) it is soluble or insoluble
b.) it does not provide the body with calories
c.) it helps speed the passage of food through the intestines
d.) all of these
d.) all of these
To enhance glycogen storage after exercise, an athlete weighing 175lbs should consume how many grams of carbs every hour for 4 hours post-exercise?
a.) 80-95g
b.) 64-75g
c.) 111-120g
d.) 100-110g
a.) 80-95g
______________ is 3-10 linked monosaccharides; example = maltodextrin.
a.) oligosaccharide
b.) polysaccharide
c.) glycogen
d.) insoluble fiber
a.) oligosaccharide
____________ is the storage form of monosaccharides in animals.
a.) glycogen
b.) glucose
c.) functional fiber
a.) glycogen
_____________ is a plant carbohydrate that dissolves in water; ex: oats
a.) insoluble fiber
b.) soluble fiber
c.) functional fiber
b.) soluble fiber
____________ is an isolated, non-digestible carbohydrate; ex: gums; pectin.
a.) insoluble fiber
b.) soluble fiber
c.) functional fiber
c.) functional fiber
Which of the following is NOT true regarding carbohydrate intake during exercise?
a.) It is recommended that athletes consume 30-60gs of carbs per hour.
b.) carb intake should begin soon after the onset of exercise and continue throughout
c.) consuming carbs from solid foods during exercise is not effective or recommended
d.) glucose, sucrose and glucose polymers are all appropriate for consumption during exercise
c.) consuming carbs from solid foods during exercise is not effective or recommended
Which aspect of a food label provides an athlete with the BEST indication of the nutrient density of the product?
a.) % Daily Value per serving
b.) calories per serving
c.) dietary fiber per serving
a.) % Daily Value per serving
An athlete is prescribed 3500 kcals for the day and wants to keep their fat intake at 25%. Which of the following contains the correct best fat intake to stay within their desired goal, while maintaining RDA for fat intake?
a.) 29g polyunsaturated fats; 48 monounsaturated fats; 20g saturated fats
b.) 38g polyunsaturated fats; 81g monounsaturated fats; 3g saturated fats
c.) 38g polyunsaturated fats; 57g monounsaturated fats; 3g saturated fats
c.) 38g polyunsaturated fats; 57g monounsaturated fats; 3g saturated fats
Which of the following benefits from having a layer of fat surrounding it?
a.) digestive organs
b.) nerves
c.) muscle
d.) all of these
d.) all of these
What’s a difference between long-chain triglycerides and medium-chain triglycerides?
a.) MCTs can be absorbed across the mucosal membrane more quickly
b.) MCTs are oxidized slowly
c.) MCTs are dietary fats widely found in foods
d.) MCTs consist of a glycerol backbone and only 2 fatty acids
a.) MCTs can be absorbed across the mucosal membrane more quickly
Which of the following is atherogenic (clot forming)?
a.) VLDL
b.) LDL
c.) IDL
d.) HDL
b.) LDL
Which of the following are influenced by omega-3 fatty acid supplementation, such that athletic performance will be clearly improved according to available evidence?
a.) oxidative stress
b.) neuromuscular function
c.) exercise metabolism
d.) none of the above
d.) none of the above
Which of the following is a correct pairing of a fat substitute and its macronutrient derivative?
a.) Oatrim = carb and protein
b.) Benefat = protein
c.) Simplesse = carb
d.) Olean = carb and fat
d.) Olean = carb and fat
True or False: linoleic acid and linolenic acid are essential fatty acids.
True
An athlete consumed 4g of alpha-linolenic acid as part of their 3000 total calories. Did they meet the recommendation for % of calories coming from alpha-linolenic acid?
Yes
Which form of cholesterol is described as a scavenger molecule?
a.) IDL
b.) VLDL
c.) HDL
d.) LDL
c.) HDL
True or False: substances that are fat soluble are lipophilic.
True
What does the acronym GRAS stand for?
a.) Granted Research Approval Status
b.) Gross Recommended Average Standard
c.) Generally Recommended as Satisfactory
d.) Generally Recognized as Safe
d.) Generally Recognized as Safe
True or False: research indicates that ingesting proteins prior to training can decrease muscle catabolism and increase muscle synthesis.
True
An active 14 year old boy recently began to experience a growth spurt. His body is in…
a.) positive nitrogen balance
b.) negative nitrogen balance
c.) activated nitrogen balance
a.) positive nitrogen balance
Which of the following is true of amino acids?
a.) essential amino acids are produced by the body
b.) nonessential amino acids are not needed to make proteins and serve little purpose in the body
c.) conditionally essential amino acids become essential under unusual circumstances
d.) there are 11 essential amino acids
c.) conditionally essential amino acids become essential under unusual circumstances
The best time to consume protein on a day where resistance training is performed in order to maximize the resultant muscle protein synthesis is…
a.) 60-90 min before the training begins
b.) immediately after training ends
c.) up to the individual, before or after will yield benefits
c.) up to the individual, before or after will yield benefits
Which of the following is NOT true regarding protein intake after exercise?
a.) hydrolyzed proteins are the best type to ingest after exercise
b.) food sources that cause hyperaminoacidemia soon after exercise are recommended
c.) ingestion of amino acids should begin as soon as possible after exercise
d.) combining carbs and proteins immediately after exercise is a prudent nutritional practice
a.) hydrolyzed proteins are the best type to ingest after exercise
True or False: the vast majority of plant proteins are incomplete proteins.
True
Which of the following is NOT true regarding protein intake?
a.) athletes involved in intense training require more than the RDA
b.) the total number of calories consumed from protein should not exceed 35%
c.) sport nutritionists recommend most athletes consume 1.2-2g per kg of bodyweight
c.) the RDA for protein is 1g per kg of bodyweight
c.) the RDA for protein is 1g per kg of bodyweight
Which of the following statements is true?
a.) the shorter the length of the fatty acid or more unsaturated it is, the more liquid the fat is at room temperature
b.) the longer the length of the fatty acid or more saturated it is, the more liquid the fat is at room temperature
c.) carbon chain length and saturation level have no effect on the state of fat at room temperature
a.) the shorter the length of the fatty acid or more unsaturated it is, the more liquid the fat is at room temperature
Which of the following foods contains the most Vitamin B12?
a.) chicken
b.) oranges
c.) green leafy vegetables
d.) kidney beans
a.) chicken
Which of the following is NOT a good source of calcium?
a.) sardines
b.) fortified soy milk
c.) sesame seeds
d.) butter
d.) butter
Which of the following is found naturally only in animal products?
a.) B1
b.) B12
c.) B6
d.) B3
b.) B12
Microcytic, hypochromic anemia can be caused by iron deficiency or which vitamin deficiency?
a.) folate
b.) B6
c.) C
d.) B12
b.) B6
Which of the following is one of the most common nutritional deficiencies in the US?
a.) sodium
b.) iron
c.) copper
d.) zinc
b.) iron
True or False: Vitamin A has been labeled the “anti-infection vitamin”, due to its role in immune function.
True
True or False: carotenoids are classified as vitamins.
False
______________ is a specialized protein that carries glucose across the cell membrane, once it has been transported to the skeletal muscle to be used for energy or stored.
a.) lactase
b.) hepatic porters
c.) glucose transporters
c.) glucose transporters
True or False: fructose is the best type of carb to consume during prolonged exercise, because of its sweetness and rapid absorption by the GI tract.
False
True or False: athletes looking to gain or lose weight should increase protein intake to the higher end of the recommended range.
True
True or False: intense exercise in hot, humid environments can result in rapid fluid losses, causing athletes to decrease exercise intensity and increase fluid intake to prevent dehydration.
True
Which of the following is true regarding post-exercise hydration?
a.) athletes should match sweat losses 100-150%, because the kidneys continually produce urine, thus increasing total water excretion
b.) athletes should consume 1 cup of fluid for every lb lost during exericse
c.) athletes should wait 10-15 mins before starting to replace fluids to avoid GI distress
d.) athletes should drink very large quantities in a short period of time
a.) athletes should match sweat losses 100-150%, because the kidneys continually produce urine, thus increasing total water excretion
Sports beverages typically contain what percentage of sugar in solution?
a.) 2-4%
b.) 6-8%
c.) 14-16%
b.) 6-8%
Endurance athletes that drink copious amounts of water resulting in the dilution of sodium levels in the body may experience…
a.) muscle cramps
b.) hyponatremia
c.) improved aerobic capacity
d.) fluid balance
b.) hyponatremia
Which of the following is true regarding an athlete with a training session at 3pm?
a.) he should consume 1L of fluid at 2pm
b.) he should consume 400-600mL at 11am
c.) he only needs to concern himself with fluid intake following the training session
b.) he should consume 400-600mL at 11am
Optimal hydration should stimulate urination every…
a.) 30 mins
b.) 1-2 hours
c.) 6 hours
d.) 12 hours
b.) 1-2 hours
Why is the risk of dehydration higher when training at altitudes over 1.6km?
a.) the air is dryer
b.) the air has less oxygen, so breathing rate increases
c.) both of these
d.) none of the above
c.) both of these
Which of the following is a sign of heat stroke?
a.) cold, clammy skin
b.) profuse sweating
c.) hypotension
d.) lack of sweat
d.) lack of sweat
Which of the following is a means of cellular absorption where the protein carrier molecules move substances across membranes, driven only by differences in the concentration gradient?
a.) passive diffusion
b.) endocytosis
c.) active transport
d.) facilitated diffusion
d.) facilitated diffusion
What is the basis for the recommendation to consume 30-60g of carbs per hour during exercise longer than 90 mins?
a.) muscle utilize 50% of the delivered glucose for energy during exercise
b.) intakes above 60g per hours are not palatable to athletes
c.) intestinal absorption of glucose has been measured at 1g/min
c.) intestinal absorption of glucose has been measured at 1g/min
What is the acceptable macronutrient distribution range (AMDR) for fats?
a.) 25-40%
b.) 10-30%
c.) 20-35%
d.) 15-35%
c.) 20-35%
True or False: levels of both major and trace minerals can build and become toxic to the body.
True
Which of the following is NOT commonly used to reduce fat mass?
a.) caffeine
b.) ephedrine
c.) L-carnitine
d.) creatine
d.) creatine
_____________ is an example of a physiological ergogenic aid?
a.) using a particular tennis racquet
b.) using relaxing techniques
c.) using a marathon training program
d.) using Essential Amino Acids
c.) using a marathon training program
________________ is ingesting a dietary supplement that unknowingly, can result in a positive test for banned substances?
a.) involuntary doping
b.) inadvertent doping
c.) felonious doping
b.) inadvertent doping
Which of the following are considered nutritional ergogenic aids to improve performance?
a.) supplements
b.) carb-loading diets
c.) sports drinks
d.) all of these are correct
d.) all of these are correct
_____________ is a research database specifically created to include published research in sports medicine, exercise physiology, biomechanics, coaching, physical education, active living, recreation, equipment, etc.?
a.) CINAHL
b.) USADA
c.) SportDiscus
d.) Medline/PubMed
c.) SportDiscus
Which supplement would be best for someone looking to potentially overcome a plateau in improvements to strength and weight gain?
a.) glutamine
b.) vanadyl sulfate
c.) boron
d.) creatine monohydrate
d.) creatine monohydrate
_____________ are substances touted to be converted to or increase production of anabolic hormones in the body.
a.) prohormones
b.) anticatabolics
c.) fat reducers
d.) anabolics
a.) prohormones
Which of the following is a reason why athletes commonly use nutritional aids to reduce fat mass?
a.) some aids can enhance performance by making the athlete lighter
b.) some aids increase the body’s ability to mobilize and utilize fats for energy
c.) some decrease appetite, which lowers daily caloric intake and causes the body to turn to fat stores for energy
d.) all of the above
d.) all of the above
True or False: muscle cells never run out of ATP.
True
Suzie is 59, weighs 135lbs and enjoys 45 mins of gentle exercise twice a week. What should her daily carb intake range be?
a.) 75g-150g
b.) 180g-310g
c.) 400g-600g
d.) 1000g or more
b.) 180g-310g
An athlete eats 50g of fat as part of 3000 total calories. Did they fall within their AMDR for fat today?
No
Which component of the chemical structure of an amino acid is responsible for giving a protein its unique structure and function when all the amino acids in the protein are linked together?
a.) side group
b.) central carbon atom
c.) carboxylic acid group
d.) amino group
a.) side group
Which of the following blood test parameters is used to measure the concentration of red blood cells in the blood?
a.) hemoglobin
b.) ferritin
c.) hematocrit
d.) transferrin saturation
c.) hematocrit
True or False: body water is a poor heat conductor.
False
____________ measures speed of electrical current through the body to estimate fat-free mass.
a.) skinfold thickness
b.) bioelectrical impedence
c.) Bod Pod (air displacement plethsmyography
d.) Dual Energy X-Ray Absorptiometry (DEXA)
b.) bioelectrical impedence
_____________ measures density of body in air to estimate fat-free mass.
a.) skinfold thickness
b.) bioelectrical impedence
c.) Bod Pod (air displacement plethsmyography
d.) Dual Energy X-Ray Absorptiometry (DEXA)
c.) Bod Pod (air displacement plethsmyography
____________ is an imaging technique that leads to a small amount of radiation exposure; the gold standard for measuring bone density.
a.) ultrasound
b.) bioelectrical impedence
c.) Bod Pod (air displacement plethsmyography
d.) Dual Energy X-Ray Absorptiometry (DEXA)
d.) Dual Energy X-Ray Absorptiometry
___________ is an assessment of thickness of sub-cutaneous fat using high frequency sound waves.
a.) ultrasound
b.) bioelectrical impedence
c.) Bod Pod (air displacement plethsmyography
d.) Dual Energy X-Ray Absorptiometry (DEXA)
a.) ultrasound
What is energy availability?
a.) total daily caloric intake - daily activity energy expenditure
b.) total daily caloric intake - total daily energy expenditure
c.) total daily caloric intake - daily caloric expenditure from food digestion
a.) total daily caloric intake - daily activity energy expenditure
An athlete weighs 200lbs and has 15% body fat. If he sets a goal of maintaining fat free mass, but reducing body fat to 12%, what is his desired body weight?
a.) 170lbs
b.) 185lbs
c.)193lbs
c.)193lbs
The female athlete triad includes…
a.) disordered eating, eumenorrhea and osteopenia
b.) disordered eating, amenorrhea and osteoporosis
c.) disordered eating, eumenorrhea and osteoporosis
b.) disordered eating, amenorrhea and osteoporosis
An 80kg athlete trains 1 hour each day and eats the following on average:
350g carbs, 150g protein, 100g fat
TDEE = [(15.3 * body mass) + 679] * activity factor (1.6-2.4)
Which best describes his energy intake and estimate energy expenditure?
a.) positive energy balance
b.) negative energy balance
c.) neutral energy balance
b.) negative energy balance
If a patient has a 29 BMI and does not want to lose weight, what is the next step in assessing and treating her?
a.) assess her risk factors
b.) encourage her to change her mind
c.) assess her physical ability to function
d.) nothing, 29 BMI is okay
a.) assess her risk factors
Which athletes are least likely to develop disordered eating habits?
a.) sports where weigh-ins are required
b.) sports where athlete is subjectively judged
c.) team sports
d.) endurance sports
c.) team sports
Which macronutrient has the lowest thermic effect of food?
a.) carbs
b.) fat
c.) protein
b.) fat
A lb of body fat provides how many kcal?
a.) 3,500
b.) 2,500
c.) 4,500
d.) 1,500
a.) 3,500
What is the gold standard method of body composition measurement?
a.) underwater weighing
b.) bioelectrical impedance
c.) skinfold assessment
d.) body mass index
a.) underwater weighing
True or False: resting metabolic rate is easier to measure than basal metabolic rate.
True
True or False: the body stores more energy as carbs than fats.
False
Which of the following is a characteristic of fats?
a.) it is lipophobic
b.) it is the most energy-dense macro
c.) it is not essential
d.) it is only found in animal sources
b.) it is the most energy-dense macro
True or False: signs and symptoms of hyponatremia include muscle cramping, nausea, vomiting, dizziness and seizures.
True
Which of the following is NOT a function of water?
a.) provides the body with needed carbs for energy
b.) provides structural integrity to cells
c.) serves as a solvent for essential molecules in the body
d.) serves to help cool the body
a.) provides the body with needed carbs for energy
As endurance athletes become increasingly well-conditioned, whey use more of ________ at higher intensities of exercise?
a.) carbs
b.) fats
c.) protein
d.) fluid
b.) fats
Which of the following is the most important to focus on when creating a nutrition plan for consumption during endurance activities?
a.) carbs
b.) fats
c.) protein
d.) vitamins
a.) carbs
True or False: bonking occurs when carb reserves are depleted.
True