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NSCA CSCS Practice Exam Version 2 ( 2026/2027 Update) Questions and Answers
NSCA CSCS Practice Exam Version 2
( 2026/2027 Update) Questions and
Answers
Q: Where are the contractile proteins in striated muscle located?
Answer:
The sarcomere
Q: What does the sarcoplasmic reticulum store that is significant for muscular contraction?
Answer:
Calcium ions
Q: What protein is significant for initiating muscular contraction?
Answer:
Troponin
Q: What is the all or nothing principle of muscular contraction?
Answer:
The all-or-nothing principle specifically outlines that if an action potential is released onto the
sarcolemma of a muscle, then a contraction will take place, and if there is no action potential
present, then the muscle will not contract and remain relaxed.
Q: What muscle fiber type has the greatest capacity for force production and hypertrophy?
Answer:
Type IIb (2b)
Q: What anatomical structure is considered to be the "pacemaker" of the heart?
Answer:
The sinoatrial node
Q: Fast twitch muscle fibers are type ___ fibers
Answer:
IIa & IIb (2a & 2b)
Q: Tendons connect ___ to ___.
Answer:
Muscle to bone
Q: Bradycardia is a slow ___.
Answer:
Heart rate
Q: Proximal muscles are ___ to the ___.
Answer:
Closer, trunk
Q: The source of energy for muscle movement is called.
Answer:
ATP
Q: Which side of the heart pumps blood through the lungs?
Answer:
Right
Q: ___ is a protein in red blood cells that carries oxygen throughout the body.
Answer:
Hemoglobin
Q: Which muscle fiber type is the most beneficial for a marathon runner?
Answer:
Type I
Q: Which of the following substances acts at the neuromuscular junction to excite the muscle
fibers of a motor unit?
Answer:
Acetylcholine
Q: From Which of the following is the hearts electrical impulse?
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