CSCS Practice Exam Questions and
Answers 100% Pass
Each muscle fiber is surrounded by a connective tissue called? - ANSWER✔✔-Endomysium
What is released from the sarcoplasmic reticulum into the myofibril, causing tension development in a
muscle? - ANSWER✔✔-Calcium ions that bind to troponin
What type of muscular contraction occurs in the pectoralis major during the slow, controlled, downward
phase of a bench press? - ANSWER✔✔-Eccentric
What is the thick structural protein inside the sarcomere? - ANSWER✔✔-Myosin
A muscle fiber that is small in diameter has a slow contraction speed, and a high capillary density would
be classified as? - ANSWER✔✔-Type I
Through which of the following valves does blood flow after contraction of the right atrium? -
ANSWER✔✔-Tricupsid
During a typical electrocardiogram, atrial depolarization is represented by? - ANSWER✔✔-P-wave
While reading an ECG, electrical potential that depolarizes the ventricles is represented by? -
ANSWER✔✔-QRS complex
What blood vessel functions to exchange oxygen, fluid, nutrients, electrolytes, hormones, and other
substances between the blood and the interstitial fluid in the various tissues of
the body? - ANSWER✔✔-Capillaries
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Where are normal rhythmic electrical impulses initiated in the heart? - ANSWER✔✔-Sinoatrial (SA) node
When performing a biceps curl, tension in the biceps brachii muscle increases. Which of the following
structures detects and responds to the tension by reflexively reducing muscle activation? - ANSWER✔✔-
Golgi tendon organ
An athlete training for a marathon would benefit from having a high concentration of which muscle fiber
type? - ANSWER✔✔-Type I
A college football player decides to add 30 minutes of intense stationary cycling every other day to his
current resistance training program. Which of the following best describes the effect the stationary
cycling will have on his performance? - ANSWER✔✔-Strength gains compromised
Which of the following represents the correct transmission of the heart's electrical impulse? -
ANSWER✔✔-SA node, AV node, AV bundle, Purkinje fibers
Which of the following represents a muscle of expiration? - ANSWER✔✔-Internal Intercostal
Identify the correct path in which inhaled air is distributed to the lungs. - ANSWER✔✔-Trachea, Bronchi,
Bronchioles, Alveoli
Heavy resistance exercise has what effect on cardiac output? - ANSWER✔✔-No change
What is the value of a metabolic equivalent (MET) - ANSWER✔✔-3.5 ml of oxygen per kilogram of body
weight per minute
The phosphagen energy system would primarily supply ATP for which of the following activities? -
ANSWER✔✔-100-m dash
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Which of the following pathways/systems has the highest capacity for energy production? -
ANSWER✔✔-Oxidation of fats and proteins
A male athlete fatigues during the running of a marathon and must pull out of the race, which is the
most probable factor that limited his performance in the race. - ANSWER✔✔-Depleted muscle glycogen
Which of the following is the primary energy system at work when the body is at rest? - ANSWER✔✔-
Oxidative
ATP used during the 400-m dash would be primarily supplied from what energy system? - ANSWER✔✔-
Fast glycolysis
Which of the following has the greatest influence on the energy system used for a given exercise? -
ANSWER✔✔-Intensity
Which energy system results in the formation of the organic end product lactic acid? - ANSWER✔✔-Fast
glycolysis
A female weightlifter is only able to complete 8 repetitions of a 10 RM set of power cleans. Which of the
following factors is the least likely to have contributed to her missed repetitions? - ANSWER✔✔-Fat
Stores
You decide to use interval training to stress the phosphagen energy system, which of the following would
be an appropriate work to rest period ratio? - ANSWER✔✔-1:15
Aerobic training added to the training of anaerobic athletes (Combination Training) can lead to all of the
following EXCEPT? - ANSWER✔✔-Increased speed
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