Content Preview

CSCS Practice Exam 2025 Questions and Answers 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 …FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1