PED 101 Final: Chapter 3 – Flashcards
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T/F: Veins carry blood away from the heart
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false
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At what point after an activity has been initiated does the body switch energy sources from the immediate energy system to the anaerobic energy system?
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30 seconds
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The upper chambers of the heart are called
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atria
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T/F: Your resting heart rate increases as your cardiorespiratory system becomes more conditioned
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false
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Cellular structures where oxidative energy production takes place are known as
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mitochondria
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During the ________ phase of the heart cycle, the ventricles relax and fill with blood.
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diastolic
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T/F: Heart rate reserve is the difference between your resting heart rate and maximum heart rate.
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true
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Training that involves continuous activity sustained for 20 or more minutes is known as
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aerobic training
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The lower chambers of the heart are called
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ventricles
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T/F: To prevent dehydration, it is recommended that you start drinking fluid approximately 30 minutes after beginning an activity
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false
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Cardiorespiratory fitness is defined as the
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ability of the cardiovascular and respiratory systems to supply oxygen to muscles.
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Damage to muscle or tendon fibers due to injury or overtraining is known as
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strain
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Which of the following may occur as the result of cardiorespiratory training?
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improved oxygen delivery to muscles
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T/F: The cardiorespiratory system is made up of the cardiovascular system and the endocrine system.
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false
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Small blood vessels that branch from arterioles and allow exchange of nutrients and wastes from body cells are known as
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capillaries
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T/F: When checking your pulse during exercise, you should measure your heart rate for 30 seconds
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false
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The right ventricle pumps blood through the ________ to the lungs.
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pulmonary artery
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The improvements in oxygen delivery seen with training are a result of a(n)
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increase in hemoglobin
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The pressure that blood exerts on the walls of your blood vessels is known as
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blood pressure
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T/F: People who stop exercising lose fitness gains at the same rate as they gained them.
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false
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SMART goals are
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specific, measurable, action-oriented, realistic, and time-oriented
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The three metabolic energy systems are
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immediate, oxidative, and non-oxidative
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Which of the following increases as the result of cardiorespiratory training?
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stroke volume
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Damage to ligaments or joint structures due to acute injury is known as
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sprain
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Which of the following would be considered an example of an aerobic activity?
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cycling
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T/F: The increase in oxygen transfer that occurs as the result of cardiorespiratory training is due to an increase in the number of capillaries and mitochondria within the muscle.
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true
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Your body's maximal ability to utilize oxygen during exercise is known as
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VO2max
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T/F: Having a high level of fitness contributes to the risk for heat illness.
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false
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A protein that transports oxygen in blood is which of the following?
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hemoglobin
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Small hairlike projections in the respiratory tract that filter out unwanted particles are called
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cilia
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T/F: Studies have shown that regular physical activity is ineffective at lowering the risk of cancer.
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false
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The respiratory system consists of the
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air passageways and the lungs.
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A subjective assessment of exercise intensity is
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perceived exertion
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The two major types of blood vessels are
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arteries and veins
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Creatine phosphate is stored in
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muscles
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T/F: It is easier to maintain cardiorespiratory fitness with shorter but more intense workouts.
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true
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According to the American College of Sports Medicine the recommended frequency for cardiorespiratory exercise is
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3 to 5 days per week
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Aerobic exercise training has been shown to
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increase plasma
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The American College of Sports Medicine recommends a target heart rate range of ________ of HRmax.
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64-95%
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T/F: The best time to shop for new exercise shoes is after a workout or at the end of the day, when your feet are at their biggest.
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true
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T/F: Tendonitis is a form of overuse injury.
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true
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Training that alternates periods of high intensity exercise with period of lower intensity exercise or rest is
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interval training
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Training that alternates exercise modes within a given program is
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crossed training
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T/F: A faster time and lower heart rate on a one mile walk test would indicate a lower VO2 max
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false
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A byproduct of breaking down glucose for energy that may cause burning in the muscle is
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lactic acid
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Gas exchange (the delivery of oxygen and the removal of CO2) in the lungs takes place in the
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alveoli
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T/F: When starting an exercise program, you should perform longer warm up and cool down segments
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true
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Cardiorespiratory fitness
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improves self esteem
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Which of the following would be considered indoor cardio workout equipment?
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elliptical machine
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The fluid portion of blood is which of the following
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plasma
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The exchange of oxygen and carbon dioxide is called
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respiration
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The wave of blood that can be felt moving through the arteries when the heart contracts is the
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pulse
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Which of the following activities would be primary fueled by the anaerobic energy system?
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a sprint down a football field
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A group of obesity related risk factors associated with heart disease and type 2 diabetes is known as
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metabolic syndrome
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Inflammation of the fascia on the underside of the foot is known as
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plantar fasciitis
