CSCS Practice Question #14 How many chambers does the heart have and what are they called? A. Two chambers: left and right atrium B. Three chambers: atrium, ventricle, and bulbus arteriosus C. Four chambers: right and left atria and right and left ventricles Answer in the poll, then explain your rationale below in the comments! I'll follow up with my breakdown of the question after enough people have responded. From Chapter 1: Structure and Function of Body Systems DCO Code: 1.G1 NOTE: Image is for illustration purposes, not needed to answer the question.

During the initial weeks of a resistance training program, increases in muscular strength are primarily due to which of the following? a. Increased muscle fiber cross-sectional area b. Improved motor unit recruitment and synchronization c. Increased ATP and phosphocreatine storage within muscle fibers Answer in the poll, then explain your rationale below in the comments! I'll follow up with my breakdown of the question tomorrow morning. From Chapter 5: Adaptations to Anaerobic Training Programs

During the lowering phase of a barbell bench press, which muscle action best describes the role of the pectoralis major? Answer in the poll, then explain your rationale below in the comments! I'll follow up with my breakdown of the question after enough people have responded. From Chapter 2: Biomechanics of Resistance Exercise