Issa Final Exam Questions & Answers

the primary fuel during endurance exercise is - Answer fatty acids the human body consists of - Answer chemicals, cells, tissues Metabolism can be categorized in the following phases - Answer catabolism & anabolism BMR stands for - Answer basal metabolic rate A 30-minute jog would rely most heavily on which energy pathway? - Answer oxidative The automatic tendency to maintain a relatively constant internal environment is called homeostasis. - Answer true About 98% of the human body is composed of only six elements: oxygen, carbon, hydrogen, nitrogen, calcium and phosphorous. - Answer true Mitochondria are known as the powerhouse of the cell. - Answer true The heart, arteries and veins are part of the circulatory system. - Answer true The ATP/CP pathway is considered aerobic metabolism. - Answer false Non-oxidative glycolysis is reliable for: - Answer Up to 2 minutes of ATP production The primary fuel during endurance exercise is - Answer muscle glycogen The main purpose of hormones is to: - Answer Alter the rate of synthesis of your cellular protein, Change the rate of enzyme activity, Change the rate of transport of nutrients through the cell wall The main purpose of the digestive system is - Answer the breakdown of foods and waste elimination. The main purpose of the respiratory system is: - Answer To supply oxygen to the body, To eliminate carbon dioxide in the body, To regulate the body's pH balance The average human adult skeleton has - Answer 206 bones There are 80 bones in the axial skeleton. - Answer true This type of joint permits a wide range of movement in ONE plane. - Answer hinge joints Tendons connect bone to bone. - Answer false Tendons: - Answer Are extensions of muscle fibers, Connect muscle to bone The points of muscle attachment are known as the - Answer insertion, origin The origin is the distal attachment of a muscle - Answer false These sense organs measure the strain in a muscle and can be used to pre-set the tension of muscles. - Answer Muscle spindles Myofibrils are constructed of overlapping strands of protein polymers called - Answer actin and myosin What is the byproduct of glucose and glycogen metabolism (glycolysis) in anaerobic muscle energetics? - Answer Lactic Acid Type I muscle fibers are aerobic. - Answer true Type II muscle fibers are slow twitch fibers. - Answer false Cardiovascular exercise results in: - Answer Mitochondrial adaptations and Capillary capacity adaptations Muscular hypertrophy is a(n) - Answer increase in muscle fiber size Kinesiology is - Answer he science or study of movement, and the active and passive structures involved An example of an antagonist muscle is - Answer riceps during a biceps curl The angle of pull is - Answer the variance of force at different points in the range of motion of an exercise A lever is defined as - Answer a rigid bar that turns around an axis of rotation or fulcrum Biomechanics is the study of: - Answer Movement Musculoskeletal deviations can result in - Answer poor muscle balance, poor flexibility, improper spinal alignment Excessive lateral curvature of the spinal column is known as: - Answer Scoliosis What should be of prime focus in all fitness activities? - Answer Posture The knee is stabilized on the anterior side by which muscle? - Answer quadriceps The shoulder joint is a multi-axial joint that allows for all the following movements except - Answer flexion, extension/hyperextension, transverse (horizontal) adduction and abduction, abduction and adduction, medial (inward) and lateral (outward) rotation, and circumduction. In a concentric contraction the muscles shorten to produce movements. - Answer true An antagonist muscle is one that has an action directly opposite to that of the agonist. - Answer true Muscular force is broken down into the components of: - Answer Magnitude, Direction, Application of force, Line of force Newton's third law of motion deals with force and its relationship to mass and acceleration. - Answer false A high development of the agonist-antagonist function is essential to the development of a well-aligned and balanced body. - Answer true