NCSF ACPT Section II: Exercise Physiology Practice Exam

These questions are part of the practice quiz. Start practicing

• What is the main cause of muscle fatigue during high-intensity exercise?
• How does the body utilize creatine during high-intensity exercise?
• What is the term for the ability of the heart and lungs to supply oxygen to working muscles during sustained physical activity?
• What is the role of cortisol during exercise?
• During aerobic exercise, what is the main metabolic pathway utilized?
• What is a key factor in determining an individual’s lactate threshold?
• Which hormone is primarily responsible for regulating blood glucose levels?
• What exercise would be most beneficial for promoting strength gains in the legs?
• How does interval training benefit aerobic capacity?
• Which of the following adaptations will occur to slow-twitch fibers within a muscle after regular participation in a resistance training program?
• How does chronic exercise training impact insulin sensitivity?
• What impact does weight-bearing exercise have on older adults?
• What are the key components of the FITT principle in exercise programming?
• How does high-intensity interval training (HIIT) affect cardiovascular fitness?
• How does resistance training affect bone density?
• A motor neuron and all of the muscle fibers it innervates is called a ______?
• What is the effect of strength training on muscle fibers?
• What is the primary long-term benefit of aerobic training on the skeletal muscle?
• How does the body primarily cool itself during exercise in hot environments?
• What impact does aging have on muscle mass and strength?
• The sliding filament theory of muscular contraction states ______.
• What physiological adaptation occurs in the muscles due to regular endurance training?
• How long does it typically take for muscle glycogen levels to fully replenish after depletion?
• What is the main purpose of a cool-down after exercise?
• During prolonged endurance activities, what is primarily utilized for fuel after glycogen stores are depleted?
• Which superset would be optimal for maximizing fiber recruitment and promoting muscle hypertrophy?
• Which nutrient is essential for muscle recovery and protein synthesis?
• What is the primary energy substrate used during high-intensity exercise?
• What does EPOC stand for in exercise physiology?
• What is the primary role of mitochondria in muscle cells?
• Which energy system is primarily utilized during high-intensity, short-duration exercises?
• What role do antioxidants play post-exercise?
• What changes occur in the respiratory system during intense exercise?
• Which physiological response is associated with the "fight or flight" reaction during exercise?
• Which nutrient serves as the most efficient fuel source for high-intensity, short-duration exercise?
• Which of the following energy substrates can be metabolized aerobically or anaerobically to produce ATP?
• How does aerobic training affect resting blood pressure?
• What physiological changes occur in response to resistance training?
• What is the main source of energy for high-intensity activities lasting up to 30 seconds?
• The fuel for a 12RM bench press will primarily come from ______.
• In which type of training would you expect to see the most significant increase in an athlete's lactate threshold?
• What is the primary benefit of flexibility training?
• In what situation is fat typically utilized as the primary energy source?
• Which type of muscle contraction occurs during isometric exercises?
• What is the primary fuel source during high-intensity, anaerobic activities?
• What is commonly measured during a lactate threshold test?
• Why is it essential for athletes to train above their current lactate threshold?
• How does anaerobic training affect lactate threshold?
• Endurance athletes usually have a lower heart rate at rest due to _____ .
• _______ is/are used to make ATP anaerobically during high intensity exercise, making it a key dietary fuel source for activity?
• What time frame of improvement is typically associated with high-intensity interval training (HIIT)?
• How does the body primarily cool itself during exercise?
• What is the definition of VO2 max?
• What rest interval between sets of 5RM deadlifts would ensure restoration of the phosphagen system and proper performance in the next effort?
• What is one effect of regular exercise on the aging process?
• Which of the following outcomes is NOT associated with regular exercise in older adults?
• What is the primary method of ATP synthesis during prolonged, moderate activity?
• Which factors can enhance oxygen delivery to muscles during exercise?
• How do antioxidants function during intense physical activity?
• Which hormone is primarily responsible for increasing glucose availability in the blood during exercise?
• How does lactic acid affect muscle performance during intense exercise?
• Which of the following minerals plays a role in cellular fluid balance and affects the risk of dehydration during exercise?
• What is the term for the maximum amount of force a muscle can produce during a single contraction?
• What is the difference in the endocrine response to a 5RM squat when compared with a 15RM squat?
• How does performing aerobic exercise benefit insulin sensitivity?
• What is the role of creatine phosphate in muscle metabolism?
• How can physical activity influence muscle mass in aging individuals?
• What is the function of myoglobin in muscle cells?
• A motor neuron and all of the muscle fibers it innervates form a ______.
• In terms of exercise, how is the term 'oxidative stress' best defined?
• What type of contraction is performed by the abdominals and erector spinae muscle group during the performance of a push-up?
• What is the primary role of the central nervous system in exercise?
• During exercise, which physiological change is most commonly observed in the cardiovascular system?
• How can an athlete effectively increase their lactate threshold?
• What are the main components of the skeletal muscle structure?
• Initial improvements in strength associated with resistance training are primarily due to:
• What is the role of the parasympathetic nervous system during recovery from exercise?
• How does exercise influence resting metabolic rate (RMR)?
• Which group of athletes would benefit most from a raised lactate threshold?
• How does exercise impact bone mineral density?
• Which hormone is crucial for muscle repair and growth following exercise?
• Which metabolic pathway requires oxygen for ATP production?
• Which of the following is produced during energy metabolism and determines calories expended during activity?
• What are the benefits of flexibility training?
• How does regular exercise impact oxidative stress levels during workouts?
• What is the effect of a higher lactate threshold on athletic performance?
• Diastolic blood pressure ______ during aerobic exercise and _____ during resistance training
• What role does the respiratory system play during exercise?
• What type of training primarily benefits anaerobic performance?
• What are the primary muscle fibers recruited during endurance activities?
• How can training specific muscle groups improve performance?
• In general, it takes ______ before protein synthesis will enhance a muscle's size and the respective motor unit's force capabilities?
• What adaptations occur in respiratory function with regular endurance training?
• What physiological changes occur in the cardiovascular system with chronic endurance training?
• What is the significance of periodization in training programs?
• What physiological change occurs with regular cardiovascular training?
• What is the primary impact of resistance training on metabolic rate?
• A person's approximate caloric expenditure for each liter of oxygen used is ____
• Which physiological response occurs during the first minute of exercise?
• How does training at high altitudes typically impact endurance performance?
• What effect does regular exercise have on muscular endurance?
• What is the primary source of energy for short-duration, high-intensity activities?
• What is the primary function of the sarcoplasmic reticulum in muscle cells?
• Which system of the body has the greatest adaptation rate when exposed to a new training program?
• What component of fitness is primarily measured by a VO2 max test?
• What physiological mechanism most directly contributes to the increase in stroke volume observed in athletes?
• What is the minimal rest interval needed between squats using 3RM intensity to ensure adequate recovery?
• What immediate effect does sympathetic nervous system activation have during exercise?
• How does regular physical activity influence mental health?
• What adaptations occur in the cardiovascular system with endurance training?
• What is the primary purpose of a cool-down after exercise?
• What is the role of lactic acid in anaerobic metabolism?
• What type of activity is most beneficial for correcting myofascial restriction associated with previous training?
• Which physiological mechanism is essential for improving strength over time?
• Which process describes the conversion of glucose to pyruvate?
• The cellular organelle responsible for aerobic energy production is the _____?
• In terms of muscle fiber recruitment, what do Type II fibers primarily support?
• What is the primary reason it is necessary to take longer rest periods between subsequent sets of near maximal resistance training exercises for optimal strength gains?
• What adaptation occurs in the cardiovascular system due to endurance training?
• What is the primary source of fuel for prolonged low-intensity exercise?
• Which type of training is known for improving aerobic capacity quickly?
• What adaptations occur in muscles with aerobic training?
• What indicates a high level of muscular endurance?
• Why might a low-intensity walking program be ineffective as a cardiovascular exercise prescription for reducing body fat in a physically active client?
• How does strength training affect motor unit recruitment?
• What is the primary adaptation of skeletal muscle to endurance training?
• Which pairs of movements employ reciprocal inhibition in a set aimed at strength and flexibility?
• Completing three minutes of moderate intensity exercise would use fuel primarily from which metabolic pathway?
• Which hormone is primarily responsible for increasing the rate of lipolysis during exercise?
• After several weeks of training, if a client's VO2 max increased from 34ml/kg/min to 38ml/kg/min, which physiological adaptations likely played a role in the improvement?
• What is the function of the glycolytic system during exercise?
• What is the principle of specificity in exercise training?
• Which of the following is a common sign that an athlete is reaching their lactate threshold?
• Cellular adaptations to aerobic exercise include increasing oxidative capacity of fast twitch muscle fibers via _____?
• Which of the following training techniques will most likely cause the greatest caloric expenditure from excess post-exercise oxygen consumption (EPOC) following a one-hour exercise bout?
• What physiological changes occur in the cardiovascular system in response to acute exercise?
• Once stroke volume levels off, any further increase in intensity during aerobic exercises will be supported by an increase in:
• Which physiological response occurs when exercising at high intensity for prolonged periods?
• How does aerobic capacity influence athletic performance?
• Which energy system is primarily engaged during the first 10 seconds of high-intensity exercise?
• What adaptation occurs in muscle fibers as a result of sustained anaerobic training?
• When prescribing balance and stability training, such as having a client stand on one foot while performing trunk rotation, the emphasis for improvement occurs through:
• What is the main function of the cardiovascular system during exercise?
• What does an RER (Respiratory Exchange Ratio) of 1.0 indicate?
• What is the primary effect of endurance training on the heart?
• _____ is the primary fuel used to create ATP during a 3RM bench press test?
• How do antioxidants benefit individuals engaging in exercise?
• What role does myoglobin play in muscle metabolism?
• What impact does exercise have on muscle function as we age?
• What is the role of ATP (adenosine triphosphate) in muscle contraction?
• Which type of muscle contraction occurs when a muscle lengthens under tension?
• An individual's blood pressure is a product of which two factors?
• Which system of the body is the first to adapt to exercise?
• What is the relationship between exercise and blood pressure?
• What effect does resistance training have on muscle hypertrophy?
• What is the contribution of the phosphagen system during a sprint?
• What is the significance of capillarization in muscle performance?
• What type of training is most effective for hypertrophy of type II muscle fibers?
• What physiological change is most commonly associated with anaerobic training?
• What effect does training have on resting heart rate?
• Which type of muscle fiber is largest in diameter and has the greatest potential for increases in size?
• What is a potential benefit of strength training on muscle fiber composition?
• What factor most significantly influences stroke volume during exercise?
• What is the primary purpose of the cool-down phase following exercise?
• The amount of O2 used by the body during a training session is referred to as ______.
• What effect does prolonged exercise have on muscle glycogen stores?
• What role does lactate play in exercise physiology?
• What is the primary fuel source for the body during prolonged, moderate-intensity exercise?
• Which factor influences the rate of oxygen uptake during exercise?
• The breakdown of what biological energy source results in the production of lactic acid?
• Which of the following best describes the role of oxygen in aerobic metabolism?
• What does the concept of specificity in training refer to?
• What adaptive responses occur in the vascular system as a result of endurance training?
• What is the significance of rate of perceived exertion (RPE) in training?
• What happens to the cardiovascular system during regular exercise?
• What is the primary benefit of increased mitochondrial density in muscle cells?
• What is the primary physiological reason for muscle soreness after intense exercise?
• Intense activities that last 30-45 seconds will predominantly rely on ______ for energy production.
• What type of exercise primarily targets anaerobic energy systems?
• Which condition does HIIT training specifically help to improve?
• What is the main function of the renal system during exercise?
• During which type of exercise is anaerobic metabolism primarily used?
• What is the primary energy system used during high-intensity activities lasting up to about 10 seconds?
• The voluntary action of muscle is controlled by signals from the nervous system called _____.
• How does dehydration affect exercise performance?
• Why is lactate often considered a performance-limiting factor during exercise?
• Stroke volume refers to the ______
• ________ initiates a muscle contraction by binding to troponin?
• What is a common method for assessing the intensity of exercise?
• Which of the following supersets would be of the greatest benefit to a weight-loss goal?
• Which metabolic pathway predominates during anaerobic high-intensity exercise?
• What is the primary adaptation of the body during long-term endurance training?
• Which of the following is a postural muscle characterized by a relatively greater slow-twitch fiber density?
• What is the primary energy pathway utilized during a marathon?
• Which of the following best describes anaerobic training?
• If attempting to lose body weight, what would be the best choice for conditioning when only 30 minutes is available?
• What is the effect of prolonged exercise on muscle glycogen stores?
• What adaptations occur in the vascular system due to regular aerobic training?
• Which of the following is a benefit of improving insulin sensitivity through exercise?
• How does hydration status affect exercise performance?
• Which factor significantly affects energy expenditure during exercise?
• What is the primary benefit of increasing lactate threshold through anaerobic training?
• What is the primary energy source utilized during high-intensity exercise?
• The storage of what energy is most associated with premature fatigue during both aerobic and anaerobic exercise?
• Aerobic metabolism in the muscle cell occurs within which organelle?
• What is the recommended approach for enhancing recovery after intense exercise?
• How does regular endurance exercise impact mental health?
• Cardiac output x(a-v)O2 difference represents _______, which determines caloric cost of the exercise.
• Which metabolic pathway is primarily active during the first 10 seconds of high-intensity exercise?
• What is a primary benefit of high-intensity interval training (HIIT) for cardiovascular health?
• A person's unique adaptation response to a particular resistance training program is primarily due to _____
• What is the primary cause of DOMS (Delayed Onset Muscle Soreness)?
• When does delayed-onset muscle soreness generally occur?
• Which of the following may cause inhibition to muscle cell contractility during physical activity?
• What effect does chronic aerobic exercise have on cholesterol levels?
• Which is NOT an adaptive change in the nervous system in response to resistance training?
• What adaptations occur in the respiratory system with chronic endurance training?
• Which energy system is predominantly utilized during prolonged, moderate-intensity exercise?
• Which of the following is the primary factor responsible for an increase in muscle hypertrophy in response to resistance training?
• What happens to insulin sensitivity with regular aerobic exercise?
• What is the effect of endurance training on resting heart rate?
• Which type of muscle fibers are more fatigue-resistant and have a high capacity for aerobic metabolism?
• What byproduct of glycolysis triggers an elevation in the respiration rate when contractions are high in the blood?
• What is the primary role of the hormonal response during exercise?
• What is the primary energy system utilized during high-intensity, short-duration activities such as sprinting?
• What is the effect of hydration on athletic performance?
• Which factor is most critical for determining exercise intensity in aerobic activities?
• What does the "talk test" during aerobic exercise help to gauge?
• What is the recommended protein intake for athletes engaging in resistance training?
• Which energy system predominates during sustained, lower-intensity exercise?
• What is the primary energy source for muscles during the first minute of exercise?
• How does exercise affect lipid metabolism?
• Which adaptation occurs in muscles as a result of consistent strength training?
• What is the contractile unit of a skeletal muscle that runs in sequence along the myofibril?
• What is the lactate threshold?
• What is the role of creatine in energy metabolism?
• What is the minimal rest time needed between vertical jump assessments so that the depleted ATP is fully replenished?