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NSCA-CSCS Exam: End of Chapter; Questions & Answers 100% Solved

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NSCA-CSCS Exam: End of Chapter; Questions & Answers 100% Solved Which of the following substances regulates muscle actions? a. Potassium b. Calcium c. Troponin d. Tropomyosin Answer-b. Calcium Which of the following substances acts at the neuromuscular junction to excite the muscle fibers...

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  • August 8, 2024
  • 50
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nsca cscs exam end of chapter
  • questions answers 100 solved

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NSCA-CSCS Exam: End of Chapter; Questions &
Answers 100% Solved
Which of the following substances regulates muscle actions?




a. Potassium

b. Calcium

c. Troponin

d. Tropomyosin Answer-b. Calcium




Which of the following substances acts at the neuromuscular junction to excite the muscle
fibers of a motor unit?




a. Acetylcholine (ACH)

b. ATP

c. Creatine Phosphate

d. Serotonin Answer-a. Acetylcholine (ACH)




When throwing a baseball, an athlete's arm is rapidly stretched just before throwing the ball.
Which of the following structures detects and responds to that stretch by reflexively increasing
muscle activity?



a. Golgi tendon organ

b. Muscle spindle

c. Extrafusal muscle

,NSCA-CSCS Exam: End of Chapter; Questions &
Answers 100% Solved
d. Pacinian corpuscle Answer-b. Muscle spindle




From which of the following is the heart's electrical impulse normally initiated?




a. AV Node

b. SA Node

c. the brain

d. the sympathetic nervous system (SNS) Answer-b. SA Node




Which of the following occurs during the QRS Complex of a typical ECG?



I. depolarization of the atrium

II. repolarization of the atrium

III. repolarization of the ventricle

IV. depolarization of the ventricle




a. I and III only

b. II and IV only

c. I, II, and III only

d. II, III, and IV only Answer-b. II and IV only

,NSCA-CSCS Exam: End of Chapter; Questions &
Answers 100% Solved
Which of the following is the definition of power?




a. (mass) x (acceleration)

b. (force) x (distance)

c. (force) x (velocity)

d. (torque) x (time) Answer-c .(force) x velocity




To compare performances of Olympic weightlifters of different body weights, the classic formula
divides the load lifted by the athlete's (blank)?




a. body weight

b. body weight squared

c. lean body weight

d. body weight to the two-thirds power Answer-d. body weight to the two-thirds power




During a free weight exercise, muscle force varies with which of the following?



I. perpendicular distance from the weight to the body joint

II. joint angle

III. movement acceleration

IV. movement velocity squared

, NSCA-CSCS Exam: End of Chapter; Questions &
Answers 100% Solved
a. I and III only

b. II and IV only

c. I, II, and III only

d. II, III, and IV only Answer-a. I and III only




A vertical jump involves knee, hip, and shoulder movement primarily in which of the following
anatomical planes?




a. sagittal

b. perpendicular

c. frontal

d. transverse Answer-a. sagittal




An athlete is performing a concentric isokinetic elbow flexion and extension exercise. Which of
the following type (s) of levers occur(s) at the elbow during this exercise?



I. 1st class

II. 2nd class

III. 3rd class

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