NSCA CSCS Practice Exam Version 2 (Latest 2023/ 2024 Update) Questions and Verified Answers | 100% Correct| Grade A

NSCA CSCS Practice Exam Version 2

(Latest 2023/ 2024 Update) Questions and

Verified Answers | 100% Correct| Grade A

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?