Questão 1
Questão
A 165-pound (75g) athlete has an average daily intake of 450 grams of carbohydrate, 75 grams of protein, and 100 grams of fat. What percent of the total kilo calorie intake is carbohydrate?
Questão 2
Questão
A 110-pound (50 kg) marathon runner started her pre-race taper and chose to carbohydrate load prior to the race. Approximately how many grams of carbohydrates should she consume per day?
Questão 3
Questão
As compared to males, the potential for force production of females per muscle cross-sectional area is:
Questão 4
Questão
Which of the following cardiovascular adaptations to chronic aerobic exercise contribute the most to improved aerobic endurance performance?
Responda
-
Increased maximal cardiac output
-
Decreased resting blood pressure
-
Decreased resting heart rate
Questão 5
Questão
Which of the following events occurs in the hamstring muscles during the concentric muscle action of the leg (knee) curl exercise?
Responda
-
Each sarcomere is stimulated by a motor neuron
-
The actin cross bridges attach to the myosin filaments
-
The H-zone decreases as the Z- discs are pulled toward each other
Questão 6
Questão
The depletion of which of the following fuel sources may contribute to fatigue in prolonged aerobic endurance events AND repeated anaerobic exercise bouts?
Responda
-
Muscle glycogen
-
Triglycerides
-
Creatine phosphate
Questão 7
Questão
Which of the following competitive situations would inspire and athlete with a high motive to achieve success (MAS)?
Responda
-
A competition that causes a fear that there is a threat to self-esteem
-
A challenging situation in which the probability of success to failure is even
-
An extremely difficult situation in which the likelihood of success is limited
Questão 8
Questão
Which of the following is a characteristic of fast twitch muscle fibers?
Questão 9
Questão
During isokinetic testing at higher angular velocities (≥ 240 degrees/sec), what is the approximate torque capability of eccentric muscle actions as compared to concentric muscle actions?
Responda
-
120% lower
-
120% greater
-
60% greater
Questão 10
Questão
An untrained college-aged athlete begins a resistance training program. After training for three weeks, her strength increases dramatically. Which of the following is the MOST influential factor responsible for this improvement?
Responda
-
Increased quantity of muscle fibers
-
Improved neuromuscular efficiency
-
Increased cross sectional area of muscle fibers
Questão 11
Questão
All of the following are the potential indicators of overtraining EXCEPT:
Responda
-
Decreased exercise heart rate
-
Increased resting blood pressure
-
Decreased muscle glycogen stores
Questão 12
Questão
A 6-foot 2-inch (188 cm), 220-pound (100-kg) college football player desires to gain muscle weight. Which of the following should be his fist nutritional priority if his current 3000 calories/day intake consists of 18% protein (1.4g/kg) 55% carbohydrate (4.1g/kg), and 27% fat (.9g/kg)?
Responda
-
Decrease carbohydrate
-
Increase calories
-
Increase protein
Questão 13
Questão
Which of the following muscles is an antagonist to the deltoid muscle during the upward movement phase of the seated barbell shoulder press?
Responda
-
Supraspinatus
-
Latissimus dori
-
Trapezius
Questão 14
Questão
A junior college basketball forward is administered a battery of tests to determine her training status. Based upon the results shown below, her training program should be designed to emphasize improvements in which of the following areas?
Height 69in (175cm)
Weight: 150lbs (68kg)
Percent body fat 20%
1RM bench press 100lbs (45kg)
1RM squat 215lbs (98kg)
Vertical jump 19 in (48cm)
Responda
-
Lower body strength
-
Upper body strength
-
Body composition
Questão 15
Questão
Which of the following structures of a sarcomere shrinks when a muscle fully contracts?
Questão 16
Questão
Performance in which of the following events has been shown to be MOST enhanced be creatine supplementation?
Responda
-
100-m (109-ys) sprint
-
5-km (3.1-mile) race
-
10-km (6.2-mile) race
Questão 17
Questão
After consistently following an aerobic endurance training program for six months, a previously untrained individual will experience which of the following physiological changes?
Responda
-
decreased maximal tidal volume
-
increase maximal blood pressure
-
increased resting stroke volume
Questão 18
Questão
Which of the following is the minimum recommended amount of fluid to drink and the timing of the fluid intake prior to an exercise session?
Responda
-
1 pint (0.5 L) 1 hour
-
1 pint (0.5 L) 2 hours
-
1 quart (0.9 L) 2 hours
Questão 19
Questão
A female marathoner travels to a high-altitude race venue (5280 feet or 1625 meters) from her sea-level training location. Which of the following describes an immediate (not chronic) physiological adjustment?
Questão 20
Questão
A member of the cross-country team has recently become withdrawn and her teammates notice she is increasingly more concerned about her weight. Which of the following additional behaviors are warning signs or symptoms that may indicate an eating disorder?
I. she elects only healthy foods to eat
II. she occasionally misses her menstrual cycle
III. she appears to have lost a significant amount of weight
IV. when asked, she denies that she may have an eating disorder
Responda
-
I and II only
-
III and IV only
-
II and IV only
Questão 21
Questão
When comparing the power production produced by two athletes performing the back squat, the strength and conditioning professional should use which of the following formulas to calculate power?
Responda
-
acceleration/force
-
force x distance
-
work/time
Questão 22
Questão
Which of the following types of food is the best source of complete proteins?
Questão 23
Questão
Which of the following activities occurs primarily in transverse plane?
Responda
-
swinging bat
-
shooting a basketball
-
setting a volleyball
Questão 24
Questão
A 115-pound (61-kg) softball player has an average daily nutrient intake of 325 grams of carbohydrate, 55 grams of protein, and 75 grams of fat. Approximately what percent of her total caloric intake is protein?
Questão 25
Questão
Which of the following may hinder an athlete’s focus during competitive sport performance?
Responda
-
a sense of personal control
-
attention to task-relevant cues
-
analysis of the required motor skills
Questão 26
Questão
Which of the following components of mechanical load is the LEAST important for stimulating new bone formation
Responda
-
rest period
-
rate of loading
-
direction of force
Questão 27
Questão
The ventilatory structures in which gas exchange occurs during respiration are the:
Responda
-
capillaries
-
alveoli
-
bronchioles
Questão 28
Questão
Which of the following is an approximate rest interval for a middle distance runner performing 440-yard (400-m) running sprint intervals in 60 seconds?
Responda
-
3 minutes
-
2 minutes
-
60 seconds
Questão 29
Questão
A female professional basketball player is using interval training during preseason conditioning to prepare for the upcoming season. Which of the following exercise interval duration and intensity combinations will MOST effectively simulate the metabolic demands of a basketball game?
Responda
-
10 seconds 95% intensity
-
30 seconds 75% intensity
-
2 minutes 60% intensity
Questão 30
Questão
Which of the following are the primary and secondary factors that MOST determine which energy system an athlete will predominately rely on during an exercise session?
Primary Secondary
exercise mode available energy stores
exercise duration exercise intensity
exercise intensity exercise duration
Responda
-
exercise mode available energy stores
-
exercise duration exercise intensity
-
exercise intensity exercise duration
Questão 31
Questão
Which of the following goals of resistance training involves training loads (%1RM) that are MOST associated with increases in serum testosterone concentrations?
Responda
-
muscular strength
-
muscular endurance
-
muscular hypertrophy
Questão 32
Questão
The parent of a child informs the strength and conditioning professional that her child has been placed in stage 1 Tanner’s classification. What does this classification assess?
Responda
-
chronological age
-
training age
-
biological age
Questão 33
Questão
Which of the following exercises involves a second-class lever?
Questão 34
Questão
A high school American football player would like to increase his strength and muscle mass. Up to this point, his average caloric intake of 2,200/day has allowed him to maintain a bodyweight of 160 pounds (73kg). If he would like to gain 10 pounds (4.5 kg) by eating an extra 500 kcals/day and following a resistance training program, approximately how many weeks would it take for him to reach his desired weight? (for purposes of this question, assume that all of the weight gain will be LBM.)
Questão 35
Questão
When a motor unit is stimulated, all of its innervated muscle fibers fully contract due to: