AFAA practice test Questions And Answers (verified 100% correct)

AFAA practice test Questions And Answers (verified 100% correct) Which of the following are major sources of complete proteins? Select one: a. Grains and nuts b. Legumes and lentils c. Wheat and soy products - ANSWER Dairy and meats Which of the following refers to the amount of blood pumped out of the heart with each contraction? Select one: a. Cardiac output b. Stroke volume c. Radial pulse d. Heart rate - ANSWER Stroke volume Which of the following muscle actions occur when a muscle is exerting force greater than the resistive force, resulting in shortening of the muscle? Select one: a. Isokinetic b. Concentric c. Isometric d. Eccentric - ANSWER Concentric Which of the following is a function of heart rate and stroke volume? Select one: a. Respiratory quotient b. Cardiac output c. Anion gap d. Filtration fraction Feedback - ANSWER Cardiac output Which of the following is a disaccharide? Select one: a. Fructose b. Glucose c. Galactose d. Sucrose - ANSWER Sucrose Which of the following refers to a movement in the frontal plane away from the midline of the body? Select one: a. Opposition b. Dorsiflexion c. Abduction d. Rotation - ANSWER Abduction Which of the following sustains high-power activity without oxygen for up to 15 seconds? Select one: a. ATP-PC b. Krebs cycle c. Anaerobic glycolysis Incorrect d. Aerobic glycolysis - ANSWER ATP-PC Which of the following is a sign of overtraining? Select one: a. Lowered resting heart rate b. Improved cardiorespiratory fitness c. Increased muscular hypertrophy d. Persistent muscle soreness - ANSWER Persistent muscle soreness In times of starvation, or when carbohydrate stores are depleted, the body can create new glucose from alternate substances, such as amino acids, lactate, glycerol, or pyruvate. What is this process called? Select one: a. Catabolism b. Gluconeogenesis c. Glycolysis d. Anabolism - ANSWER Gluconeogenesis Which of the following is true of the left ventricle? Select one: a. It receives deoxygenated blood and pumps it to the lungs. b. It receives blood from the lungs via the tricuspid valve. c. It has thin walls and pumps blood under low pressure. d. It receives oxygenated blood and pumps it to the entire body. - ANSWER It receives oxygenated blood and pumps it to the entire body. Which of the following nervous systems consist of the brain and the spinal cord with a primary function to coordinate activity in all parts of the body? Select one: a. Somatic b. Peripheral c. Autonomic d. Central - ANSWER Central Which of the following simultaneously work together to provide the body with adequate oxygen and nutrients while removing waste products from the cells in the body? Select one: a. Cardiovascular and respiratory systems b. Nervous and digestive systems c. Muscular and skeletal systems d. Musculoskeletal and excretory systems - ANSWER Cardiovascular and respiratory systems What is a characteristic of triglycerides? Select one: a. They are produced when calories are not consumed but are immediately needed by the body. b. They are absorbed and transported in the blood and finally stored in the kidneys. c. They are used as a primary energy source only for short-duration activities. d. They are derived from fats eaten in foods or made in the body from other energy sources. - ANSWER They are derived from fats eaten in foods or made in the body from other energy sources. Which statement best describes anaerobic metabolism? Select one: a. Supports speed, power, and strength endurance training in short bouts Correct b. Supports cardiorespiratory training for longer durations c. Supports maximal exercise performance for longer durations d. Supports speed, power, and strength endurance training for longer durations - ANSWER Supports speed, power, and strength endurance training in short bouts Which of the following refers to all the chemical reactions that occur in the body to maintain itself? Select one: a. Metabolism b. Mitochondria c. Kinetic chain d. Force-couple - ANSWER Metabolism