2877186
Frage 1
Frage
During the Excitation-Contraction Coupling Phase of a muscle, calcium ions are released so that they can bind to ______, a protein located at regular intervals along the actin filament.
Antworten
-
Myosin
-
Troponin
-
Tropomyosin
Frage 2
Frage
An 18-year-old, 120lb female collegiate cross country skier has the following average energy intake: 500 grams of carbs, 25 grams of protein and 50 grams of fat. What nutritional guideline should be recommended?
Antworten
-
Increase fat intake
-
Increase carb intake
-
Increase protein intake
Frage 3
Frage
When you move a muscle, neurons in your brain fire to recruit motor units. When a motor unit is activated by a neuron, every muscle fiber in that motor unit fully contracts because:
Antworten
-
the principle of total recruitment
-
the all-or-none law
-
Moore’s law
Frage 4
Frage
If I know I’m going to participate in some training, when should I consume some liquid and how much should I consume to ensure I am both hydrated and have adequate time to lose any excess?
Antworten
-
2 hours – 1 pint
-
1 hour – 1 pint
-
30min – 1pint
Frage 5
Frage
You have an athlete who wants to add 16lbs to his frame over 8 weeks. How many extra calories should he consume over the course of a week? Assume all of the weight will be lean tissue.
Antworten
-
7000
-
5000
-
3000
Frage 6
Frage
Usain Bolt has decided to work towards breaking the 400m record, and is interval training 400m repeats. His 400m personal best is ~46 seconds, but for answering this question assume the exercise duration is 1 minute. What should his rest interval be?
Antworten
-
1 minute
-
2 minutes
-
3 minutes
Frage 7
Frage
During a baseball pitch, which of the following muscles is involved in the concentric action of shoulder internal rotation?
Antworten
-
Infraspinatus
-
Teres Minor
-
Subscapularis
Frage 8
Frage
During a maximal inhalation and gas exchange, where is the highest partial pressure of oxygen?
Antworten
-
Lungs
-
Rightventricle
-
Pulmonary Valve
Frage 9
Frage
What is the most important, followed by the second most important factor in determining what type of fuel your body burns during exercise?
Antworten
-
exercise intensity, exercise duration
-
exercise mode, exercise duration
-
exercise duration, exercise intensity
Frage 10
Frage
Which of the following muscles does not contribute to the strongest muscle group used during the initial portion of the swing phase of running
Antworten
-
Sartorius
-
Iliacus
-
Psoas Major
Frage 11
Frage
Which of the following guidelines is not appropriate for providing fluid for athletes during activity?
Antworten
-
When the athletes are thirsty?
-
Ensure the beverages are cold
-
Provide approximately six ounces every fifteen minutes
Frage 12
Frage
An athlete is performing maximum intensity exercise, which of the following energy pathways will contribute the most to ATP production?
Antworten
-
Anaerobic glycolysis
-
Oxidization of fats and proteins
-
Oxidization of carbs
Frage 13
Frage
When estimating the recommended protein intake of any individual, which two factors must be considered?
Antworten
-
Negative caloric balance and the biological value of the protein
-
Caloric intake and the biological value of the protein
-
Caloric intake and the intensity of the sport
Frage 14
Frage
An athlete is having some issues with body weight management and reaching his desired body composition. Which of the following factors could be contributing to these issues?
Antworten
-
Infrequent meals and a large meal at the end of the day
-
Frequent meals throughout the day and a small meal at the end of the day
-
Frequent meals and maintaining hydration levels
Frage 15
Frage
During training, anaerobic athletes should consume how many grams of carbs per kg of body weight?
Antworten
-
8-10g/kg/day
-
5-6g/kg/day
-
2-4g/kg/day
Frage 16
Frage
What is the difference between essential and non essential amino acids?
Antworten
-
Non-essential amino acids are synthesized within the body, and essential amino acids are from foods.
-
Both essential and non essential amino acids are synthesized within the body
-
Non-essential amino acids are from foods, and essentials amino acids are synthesized within the body
Frage 17
Frage
Which of the following are organic substances that cannot be synthesized by the body but are needed to perform certain metabolic functions?
Antworten
-
Minerals
-
Vitamins
-
Carbs
Frage 18
Frage
How many grams of protein per kg of body weight should strength athletes consume?
Antworten
-
1.7g/kg/day
-
1.2g/kg/day
-
0.8g/kg/day
Frage 19
Frage
Which vitamin can help decrease delayed onset muscle soreness when consumed adequately?
Antworten
-
Vitamin E
-
Vitamin C
-
Vitamin K
Frage 20
Frage
An athlete is performing steady state exercise that has crossed the lactate threshold, what type of muscle fiber's use increases after this point?
Antworten
-
large
-
small
-
slow twitch
Frage 21
Frage
The classification of foods by how high and for how long they raise blood glucose levels is accomplished through the use of what measurement?
Antworten
-
Maximal oxygen uptake
-
METs
-
Glycemic index or GI
Frage 22
Frage
The diagnostic criteria for what condition includes recurrent binge eating, engagement in either self induced vomiting, misuse of laxative, diurectics, or enemas, rigorous dieting or fasting or excessive exercise?
Antworten
-
Anorexia nervosa
-
Bulimia nervosa
-
Poor eating habits
Frage 23
Frage
Under what conditions should a strength and conditioning professional be cautious about excessively high intakes of protein?
Antworten
-
When athlete is experiencing impaired renal function
-
Both of these are correct
-
When the athlete's calcium intake is low
Frage 24
Frage
What is the recommended daily intake of carbs for an endurance athlete who takes in 2000 calories per day?
Antworten
-
450 grams
-
300 grams
-
200 grams
Frage 25
Frage
For an athlete looking to gain one to two pounds per week, how many calories per day must they consume above their current caloric intake.
Antworten
-
350 to 700 kcal
-
500 to 1000 kcal
-
1000 to 2000 kcal
Frage 26
Frage
Which of the following is considered a high quality protein?
Antworten
-
Yogurt
-
Kale
-
Rice
Frage 27
Frage
A female amenorrheic athlete is a vegetarian who dislikes supplements and dairy foods. Which of the following foods should she be consuming?
Antworten
-
Dark leafy vegetables, broccoli and soybeans
-
Potatoes, rice and pasta
-
Lentils, pulses and carrots
Frage 28
Frage
An athlete is likely to collapse when as little as which percentage of the body's water is lost.
Antworten
-
0.07
-
0.05
-
0.10
Frage 29
Frage
An athlete increase the risk of inadequate protein, iron, zinc and vitamin B when __________ is eliminated from the diet.
Antworten
-
Milk and dairy
-
Grains
-
Meats
Frage 30
Frage
Which of the following is not included in the dietary goals of most athletes?
Antworten
-
Maximizing performance
-
Obtaining optimal body compisition
-
Maintaining the lowest possible body mass index
Frage 31
Frage
Which of the following must occur in order to increase muscle mass and bodyweight?
Antworten
-
More protein consumed
-
Positive caloric balance
-
Negative caloric balance
Frage 32
Frage
When as aerobic athlete is forced to begin to use protein as an energy source, how would their caloric balance be described?
Antworten
-
Positive
-
Negative
-
Regenerative
Frage 33
Frage
What function does an increased protein consumption serve in endurance athletes?
Antworten
-
Tissue repair and the use of branched-chain amino acids for auxiliary fuel
-
Tissue and positive nitrogen balance maintenance
-
The gluconeogenesis of body fat
Frage 34
Frage
When testing body composition, what is the desired percent body fat range for a 21 year old female skier?
Antworten
-
6-19%
-
8-15%
-
10-20%
Frage 35
Frage
Which of the following ergogenic aids does not result in increased protein synthesis?
Antworten
-
Branched chain amino acids
-
Testosterone
-
Creatine
Frage 36
Frage
Which of the following statements about MyPyramid is false?
Antworten
-
MyPyramid shows both the recommended types and amounts of foods to be included in one's daily diet.
-
The food groups displayed in MyPyramid include grains, vegetables, fruits, milk, meat and oils.
-
MyPyramid does not include any of the food groups from the USDA's original Food Guide Pyramid
Frage 37
Frage
What is the goal of consuming fluid before beginning exercise?
Antworten
-
To avoid dehydration during exercise
-
To replace lost fluid
-
To rehydrate before the next training session
Frage 38
Frage
When an endurance athlete injects erythropoietin, they will definitely achieve all of the following except which of the following benefits?
Antworten
-
Increased red blood cell count
-
Increase hematocrit
-
Increased oxygen consumption
Frage 39
Frage
Which of the following is the most common monosaccharide and the primary energy substrate for cells?
Antworten
-
Glucose
-
Fructose
-
Sucrose
Frage 40
Frage
Dylan lost three pounds during his lacrosse game. How much water does he need to consume to replace the fluids that he lost?
Antworten
-
3 liters
-
2 pints
-
1.5 liters
Frage 41
Frage
A marathon runner requires a high amount of which of the following for optimal performance?
Antworten
-
Liver glycogen
-
Liver fat stores
-
muscle ATP stores
Frage 42
Frage
Which of the following hormones interacts with the cell membrane to elicit a change within the cell?
Antworten
-
Testosterone
-
Cortisol
-
Growth Hormone
Frage 43
Frage
Where is the muscle that flexes the elbow located?
Antworten
-
Posterior
-
The top of the arm
-
Anterior
Frage 44
Frage
Which quadriceps muscle is located closest to the midline of the body?
Antworten
-
Vastus lateralis
-
Vastus intermedius
-
Vastus medialis
Frage 45
Frage
Which of the following muscles assists the deltoids in pressing a barbell over the head?
Antworten
-
Supraspinatus
-
Teres Major
-
Infraspinatus
Frage 46
Frage
The major muscle group used when performing leg extensions in compromised of how many specific muscles?
Antworten
-
2
-
4
-
3
Frage 47
Frage
During the pull-up, many muscles of the back assist the latissimus dorsi (primary mover). Which of the following muscles does not?
Antworten
-
Rhomboids
-
Teres major
-
Erector Spinae
Frage 48
Frage
A football athlete has been instructed to improve posterior chain strength to increase running speed and jump height. Their training program should include which of the following exercises?
Antworten
-
Good Mornings
-
Leg Extension
-
Leg Raises
Frage 49
Frage
How many joints are in the area where the deltoid muscles are located?
Antworten
-
4
-
2
-
3
Frage 50
Frage
When curling a dumbbell, the most muscular torque occurs when the elbow is flexed to which angle?
Antworten
-
90 degrees
-
45 degrees
-
105 degrees
Frage 51
Frage
The push up during running is immediately followed by which motion of the knee?
Antworten
-
Extension
-
Flexion
-
Abduction
Frage 52
Frage
The Romanian Deadlift is assisted by which of the following muscles?
Antworten
-
Hamstrings
-
Erector spinae
-
Quadriceps
Frage 53
Frage
During intense exercise, forcing air out of the lungs is performed by which muscle?
Antworten
-
External intercostals
-
Diaphragm
-
Internal intercostals
Frage 54
Frage
During a normal ECG, which of the following electrical occurrences is masked by the QRS complex?
Antworten
-
Repolarization of the ventricles
-
Repolarization of the atria
-
Depolarization of the atria
Frage 55
Frage
The muscle which is the primary plantar flexor and synergist of knee flexion has how many heads?
Antworten
-
2
-
3
-
1
Frage 56
Frage
When assessing athletes, which of the following can group body categories?
Antworten
-
Somatotype
-
Isomatotype
-
Body Mass Index
Frage 57
Frage
By increasing the angle of the bench press exercise, the emphasis of the primary mover is changes to which area of the muscle?
Antworten
-
Clavicular head
-
Sternal head
-
Pectoral head
Frage 58
Frage
During the concentric phase of a leg curl, which of the following muscles acts as a synergist?
Antworten
-
Gastrocnemius
-
Hamstrings
-
Quadriceps
Frage 59
Frage
The primary joint of a cable triceps extension is what type of synovial joint?
Antworten
-
Ball and socker
-
Pivot
-
Hinge
Frage 60
Frage
What is the role of the transverse abdominus during maximum effort squats?
Antworten
-
To increase intra-abdominal pressure
-
To decrease intra-abdominal pressure
-
To stabilize breathing during exercise
Frage 61
Frage
Which of the following describes trunk flexion?
Antworten
-
The leg move away from the chest
-
The chest moves towards the legs
-
The back moves away from the chest
Frage 62
Frage
A rowing athlete is training to increase knee extension strength which exercise should be added to their program?
Antworten
-
Leg Curl
-
Lunge
-
Calf Press
Frage 63
Frage
Which joint action is occuring when the angle between the radius and humerus increases?
Antworten
-
Extension
-
Flexion
-
Abduction
Frage 64
Frage
During the dumbbell lateral raise exercise, what action are the arms performing?
Antworten
-
Abduction
-
Adduction
-
Rotation
Frage 65
Frage
A high jumper is attempting to maximize her knee extensor strength. Which of the following muscles should she target in her training?
Antworten
-
Rectus Femoris
-
Bicep Femoris
-
Gastrocnemius
Frage 66
Frage
During the knee extension movement in a squat, what pulls actin across itself?
Antworten
-
Thin filament
-
Myosin
-
Tropomyosin
Frage 67
Frage
The glenohumeral joint is known to perform movement in which anatomical plane(s)?
Antworten
-
Transverse
-
Frontal
-
Both of these
Frage 68
Frage
The body is divided into right and left halves by which of the following?
Antworten
-
The midline
-
The pole
-
The centrifuge
Frage 69
Frage
Which of the following can perform movement in all 3 planes of motion?
Antworten
-
Hip
-
Wrist
-
Knee
Frage 70
Frage
A basketball player lands heavily after grabbing a rebound. Which of the following connective tissue of the knee is necessary to absorb the shock of landing?
Antworten
-
Ligaments
-
Tendons
-
Menisci
Frage 71
Frage
Which of the following muscles is not involved with maintaining the stability of the should joint?
Antworten
-
Infraspinatus
-
Supraspinatus
-
Teres Major
Frage 72
Frage
By changing the angle of the bench press to a negative angle, the emphasis of the primary mover is changed to which area of the muscle?
Antworten
-
Clavicular head
-
Pectoral head
-
Sternal head
Frage 73
Frage
The iliotibial band inserts just below which of the following joints?
Antworten
-
Knee
-
Hip
-
Shoulder
Frage 74
Frage
The muscle that is the antagonist to the biceps brachii during elbow flexion has how many heads?
Antworten
-
2
-
1
-
3
Frage 75
Frage
All three heads of the deltoid insert into which of the following?
Antworten
-
Humerus
-
Scapula
-
Ribcage
Frage 76
Frage
As a personal trainer, what advice would you offer your client if he requested a nutritional plan for weight loss?
Antworten
-
Counsel the client and then prescribe a weight loss plan
-
Provide general recommendations, but refer the client to a registered dietitian if specific needs are requested.
-
Conduct a nutrition assessment with the client
Frage 77
Frage
What is the recommended carb intake for a strength and power athlete?
Antworten
-
8-10 grams per kilogram of body weight
-
5-6 grams per kilogram of body weight
-
16-20 grams per kilogram of body weight
Frage 78
Frage
Which of the following food is considered a complete protein?
Antworten
-
Egg
-
Kidney Beans
-
Broccoli
Frage 79
Frage
Why must athletes be conscious of their sodium levels?
Antworten
-
To replace electrolytes, maintain a normal osmotic equilibrium and increase performance.
-
To replace serum blood plasma, maintain a normal osmotic equilibrium and increase performance
-
To replace phosphocreatine, improve muscle blood flow and increase performance.
Frage 80
Frage
A nutritionist suspects that an athlete's diet is lacking in fiber. What are the consequences of this type of inadequate diet?
Antworten
-
Respiratory disease, high blood pressure, breast cancer and leukemia.
-
Heart disease, stroke, cancer of the stomach and constipation
-
Diverticulitis, heart disease, cancer of the colon, constipation, and diabetes
Frage 81
Frage
jane is a 25-years old endurance athlete. She consumes a strict vegetarian diet and does not take supplements. Which of the following supplements should Jane be taking for optimal running performance?
Antworten
-
Iron and riboflavin
-
Iron and folic acid
-
Iron and cobalamin (B12)
Frage 82
Frage
Which of the following statements is false regarding the role of amino acids in the body?
Antworten
-
It interrupts fluid and electrolyte balance
-
It aids in muscle hypertrophy
-
It maintains fluid and electrolyte balance
Frage 83
Frage
Which of the following are necessary for the formation of healthy cell membranes, the development and function of the brain and the nervous system and the production of hormones?
Antworten
-
Saturated and polyunsaturated fats
-
Linoeic and linolenic acid
-
Protein, calcium and iron
Frage 84
Frage
During knee flexion of the leg curl exercise, which of the following structures within a sarcomere of the biceps femoris decreases in length and eventually disappears?
Antworten
-
Z line
-
A band
-
H zone
Frage 85
Frage
A dumbbell biceps curl and a barbell deadlift are examples of which two categories of the kinetic chain?
Antworten
-
Anterior and Posterior
-
Open and Closed
-
Maximum and Minimum
Frage 86
Frage
Which of the following knee extensor muscles is responsible for the last few degree of the movement?
Antworten
-
Rectus femoris
-
Vastus medialis
-
Vastus intermedius
Frage 87
Frage
An exercise that involves which action will target the muscles on the back of the thighs?
Antworten
-
Knee flexion
-
Plantar flexion
-
Knee Extension
Frage 88
Frage
During the back squat, what concentric muscle action do the quadriceps perform?
Antworten
-
Flexion
-
Extension
-
Abduction
Frage 89
Frage
Which type of training uses structural stress to elicit adaptations to the muscular system?
Antworten
-
Cardio training
-
Weight training
-
Balance training
Frage 90
Frage
When a muscle contraction occurs, which connective tissue within the muscle pulls directly on the tendon
Antworten
-
Both of these
-
Perimysium
-
Endomysium
Frage 91
Frage
An athlete is performing repeated sprints. In which of the following areas of the circulatory system will the concentration of carbon dioxide be the highest?
Antworten
-
Inferior vena cava
-
Pulmonary vein
-
Aorta
Frage 92
Frage
The biceps femoris contracts concentrically to produce which of the following movements of the knee?
Antworten
-
Flexion
-
Extension
-
Rotation
Frage 93
Frage
Before the electrical signal of the heart travels from the atria to the ventricles, it is delayed in what region?
Antworten
-
AV Node
-
SA Node
-
Purkinje Fibers
Frage 94
Frage
When an athlete is jumping, in regards to the plantar flexion action of the ankle, which muscle plays the role of synergist?
Antworten
-
Soleus
-
Hamstirngs
-
Gastrocnemius
Frage 95
Frage
Blood doping can be accomplished through infusion of an individual's own red blood cells or those from someone else's, or through administration of
Antworten
-
Erythropoietin
-
Insulin
-
IGF-1
Frage 96
Frage
Which chamber of the heart is responsible for pumping oxygenated blood throughout the body?
Antworten
-
Right Ventricle
-
Left Ventricle
-
Left Atrium
Frage 97
Frage
With the increase volume, the myocardial fibers becomes more than stretched than at rest, resulting in a more forceful contraction and an increase in force of systolic ejection and greater cardiac emptying. This principle is called.
Antworten
-
Franks-Starling mechansim
-
Cardiac Output
-
Maximal Oxygen Uptake
Frage 98
Frage
This term refers to a period of life before the development of secondary sex characteristics.
Antworten
-
Preadolescence
-
Puberty
-
Peak height velocity
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