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Exam (elaborations)

NSCA CSCS EXAM 2024/2025 WITH 1005 ACCURATE SOLUTIONS

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NSCA CSCS EXAM 2024/2025 WITH 1005 ACCURATE SOLUTIONS

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  • November 2, 2024
  • 47
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NSCA CSCS
  • NSCA CSCS
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YANCHY
NSCA CSCS EXAM 2024/2025 WITH 1005 ACCURATE
SOLUTIONS



Which of the following substances regulates muscle actions?


potassium
calcium
troponin
tropomyosin - Precise Answer ✔✔calcium


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


acetylcholine
ATP
creatine phosphate
serotonin - Precise Answer ✔✔acetylcholine


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?


golgi tendon organ

,muscle spindle
extrafusal muscle
pacinian corpuscle - Precise Answer ✔✔muscle spindle


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


AV node
SA node
the brain
the sympathetic nervous system - Precise Answer ✔✔SA node


Which of the following occurs during the QRS complex of a typical
ECG?
1. depolarization of the atrium
2. repolarization of the atrium
3. repolarization of the ventricle
4. depolarization of the ventricle
a. 1 and 3 only
b. 2 and 4 only
c. 1, 2, and 3 only
d. 2, 3, and 4 only - Precise Answer ✔✔b. 2 and 4 only


Which of the following is the definition of power?

,mass x acceleration
force x distance
force x velocity
torque x time - Precise Answer ✔✔force x velocity


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


body weight
body weight squared
lean body weight
body weight to the two-thirds power - Precise Answer ✔✔body weight
to the two-thirds power


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


1. perpendicular distance from the weight to the body joint
2. joint angle
3. movement acceleration
4. movement velocity squared


a. 1 and 2 only

, b. 1 and 4 only
c. 1, 2, and 3 only
d. 2, 3, and 4 only - Precise Answer ✔✔a. 1 and 2 only (perpendicular
distance from the weight to the body joint AND joint angle)


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


sagittal
perpendicular
frontal
transverse - Precise Answer ✔✔sagittal


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


1. 1st class
2. 2nd class
3. 3rd class


a. 1 only
b. 2 only
c. 1 and 3 only

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