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25 Cards in this Set
- Front
- Back
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Which of the following structures of a sarcomere shrinks when a muscle fully contracts?
A.A-band B. M-lind C. H-zone. D. Z-line |
C. H-zone
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Performance in which of the following events has been shown to be MOST enhanced by creatine supplementation?
A. Marathon B.100-m sprint C.5-km race D.10-kmrace |
B. 100-sprtin
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After consistently following an aerobic endurance training program for six months, a previously untrained individual will experience which of the following physiological changes?
A.Increased max blood pressure B. Decreased resting a-vO2diff C.Decreased max tidal volume D. increased resting stroke volume |
D. increased resting stroke volume
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Which of the following is the minimum recommended amount of fluid to drink and the timing of that fluid intake prior to an exercise session?
A. 1 Quart (0.9L) - 2 hours B.1 Pint (0.5 L) - 2 hours C. 1 Pint (0.5L) - 1 hour D. 1 Quart (0.5L) - 1 hour |
B.1 Pint (0.5 L) - 2 hours
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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?
A. increased submaximal cardiac output. B. Hypoventilation C. decreased tidal volume D. Increased hematocrit |
A. increased submaximal cardiac output.
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When comparing the power produced by two athletes performing the back squat, the strength and conditioning professional should use which of the following formulae to calculate power?
A. fore X distance B. Sets X rep X weight lifted C. Work / time D. acceleration / force |
C. Work / time
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Which of the following types of food is the best source of complete proteins?
A. grains B. legumes C. eggs D. beans |
C. eggs
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Which of the following activities occurs primarily in the transverse plane?
A. shooting a basketball B. setting a volleyball C. punting a football D. swinging a bat |
D. swinging a bat
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All 5-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?
A. 10% B. 12% C. 24% D. 48% |
A. 10 %
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Which of the following may hinder an athlete's focus during competitive sport performance?
A. trust in physical conditioning levels B. attention to task-relevant cues C. analysis of the required motor skills D. a sense of personal control |
C. analysis of the required motor skills
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Which of the following components of mechanical load is the LEAST important for stimulating new bone formation?
A. rest period B. magnitude C. rate of loading D. direction of force |
A. rest period
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The ventilatory structures in which gas exchange occurs during respiration are the?
A. capillaries. B. arterioles. C. bronchioles. D. alveoli. |
D. alveoli.
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Which of the following is an approximate rest interval for a middle distance runner performing 440-yd (400-m) running sprint intervals in 60 seconds?
A. 3 minutes B. 2 minutes C. 60 seconds D. 30 seconds |
A. 3 minutes
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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?
A. 10 sec at 95% Intensity B. 30 sec at 75% Intensity C. 2 min at 60% Intensity D. 5 min at 40 % Intensity |
A. 10 sec at 95% Intensity
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Which of the following are the primary and secondary factors that MOST determine which energy system an athlete will predominantly rely on during an exercise session?
A. exercise mode - available energy stores. B. exercise duration - exercise intensity C. exercise intensity - exercise duration D. available energy stores- exercise mode. |
C. exercise intensity - exercise duration
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Which of the following goals of resistance training involves training loads (%1RM) that are MOST associated with increases in serum testosterone concentrations?
A. muscular strength B. muscular hypertrophy C. muscular endurance D. aerobic endurance |
A. muscular strength
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The parent of a child informs the strength and conditioning professional that her child has been placed in Stage 1 of Tanner's classification. What does this classification assess?
A. chronological age B. emotional age C. biological age D. training age |
C. biological age
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Which of the following involves variable torque production with a constant joint angular velocity?
A. isometric B. isotonic C. isokinetic D. concentric |
C. isokinetic
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Which of the following is the LEAST effective factor that determines an athlete's fluid replacement needs after an exercise session?
A. duration of exercise B. intensity of exercise C. environmental temperature D. thirst mechanism |
D. thirst mechanism
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Which of the following exercises involves a second-class lever?
A. standing calf (heel) raise B. dumbbell biceps curl C. lying triceps extension D. lateral raise |
A. standing calf (heel) raise
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When a motor unit is stimulated, all of its innervated muscle fibers fully contract due to
A. the size principle. B. the principle of selective recruitment. C. the all-or-none law. D. muscle tetanus. |
C. the all-or-none law.
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Which of the following increases as an adaptation to chronic resistance training but decreases as an adaptation to chronic aerobic training?
A. glycogen stores B. mitochondrial density C. maximal power production D. creatine phosphate stores |
C. maximal power production
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The latissimus dorsi performs which of the following types of muscle actions during the upward movement phase of the lat pulldown exercise?
A. isometric B. eccentric C. concentric D. isokinetic |
B. eccentric
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A 12-year-old male has been resistance training twice a week for six weeks.
Which of the following adaptations contribute the MOST to training-induced strength gains? A. increased muscle size B. increased motor unit activation C. greater testosterone concentration D. greater number of muscle fibers |
B. increased motor unit activation
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During a concentric muscle action, which of the following binds with calcium to allow cross-bridge interactions?
A. troponin B. actin C. tropomyosin D. myosin |
A. troponin
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