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NSCA-CSCS EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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NSCA-CSCS EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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NSCA-CSCS EXAM 2024/2025 WITH100% ACCURATE SOLUTIONS
Which of the following substances regulates muscle actions?
a. Potassium
b. Calcium
c. Troponin
d. Tropomyosin - Precise 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 - Precise 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
d. Pacinian corpuscle - Precise 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) - Precise 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 - Precise Answer ✔✔b. II and IV only
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) - Precise 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 - Precise 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
a. I and III only
b. II and IV only
c. I, II, and III only
d. II, III, and IV only - Precise 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 - Precise 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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