CSCS Practice Exam Questions and answers, 100% Accurate, graded A+

CSCS Practice Exam Questions and answers, 100% Accurate, graded A+ Each muscle fiber is surrounded by a connective tissue called? - ✔✔-Endomysium What is released from the sarcoplasmic reticulum into the myofibril, c ...

CSCS Practice Exam Questions and answers, 100% Accurate, graded A+ Each muscle fiber is surrounded by a connective tissue called? - ✔✔-Endomysium What is released from the sarcoplasmic reticulum into the myofibril, causing tension development in a muscle? - ✔✔-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? - ✔✔-Eccentric What is the thick structural protein inside the sarcomere? - ✔✔-Myosin A muscle fiber that is small in diameter has a slow contraction speed, and a high capillary density would be classified as? - ✔✔-Type I Through which of the following valves does blood flow after contraction of the right atrium? - ✔✔- Tricupsid During a typical electrocardiogram, atrial depolarization is represented by? - ✔✔-P-wave While reading an ECG, electrical potential that depolarizes the ventricles is represented by? - ✔✔-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? - ✔✔-Capillaries Where are normal rhythmic electrical impulses initiated in the heart? - ✔✔-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? - ✔✔-Golgi tendon organ An athlete training for a marathon would benefit from having a high concentration of which muscle fiber type? - ✔✔-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? - ✔✔-Strength gains compromised Which of the following represents the correct transmission of the heart's electrical impulse? - ✔✔-SA node, AV node, AV bundle, Purkinje fibers Which of the following represents a muscle of expiration? - ✔✔-Internal Intercostal Identify the correct path in which inhaled air is distributed to the lungs. - ✔✔-Trachea, Bronchi, Bronchioles, Alveoli Heavy resistance exercise has what effect on cardiac output? - ✔✔-No change What is the value of a metabolic equivalent (MET) - ✔✔-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? - ✔✔- 100-m dash Which of the following pathways/systems has the highest capacity for energy production? - ✔✔- 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. - ✔✔-Depleted muscle glycogen Which of the following is the primary energy system at work when the body is at rest? - ✔✔-Oxidative ATP used during the 400-m dash would be primarily supplied from what energy system? - ✔✔-Fast glycolysis Which of the following has the greatest influence on the energy system used for a given exercise? - ✔✔- Intensity Which energy system results in the formation of the organic end product lactic acid? - ✔✔-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? - ✔✔-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? - ✔✔-1:15 Aerobic training added to the training of anaerobic athletes (Combination Training) can lead to all of the following EXCEPT? - ✔✔-Increased speed All of the following are physiological roles of growth hormone EXCEPT - ✔✔-Increase glycogen synthesis Which of the following exercises would promote the highest increase in serum testosterone concentrations? - ✔✔-3 sets of deadlifts at 90% of one-repetition maximum Growth hormone stimulates what organ to secrete Insulin-Like Growth Factors? - ✔✔-Liver Which of the following variables would promote the greatest increased serum testosterone levels? - ✔✔-Short rest intervals (30 sec to 1 min) Growth hormone is secreted by which of the following? - ✔✔-Anterior Pituitary Which of the following locations produce testosterone in women? - ✔✔-Ovaries and Adrenal Gland All of the following are important signal mechanisms for IGF release EXCEPT? - ✔✔-Testosterone Catecholamines act as all of the following EXCEPT? - ✔✔-Vasoconstrictors For women still having a menstrual cycle, which of the following hormon