Physiology of Exercise Quiz 1
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The key component for athletic performance is
A) Speed
B) Strength
C) Agility
D) Power -
The key component for athletic performance is
*Answer: Power -
Muscular endurance is increased through
A) Gains in flexibility and agility
B) Respiration and circulation
C) Gains in strength and changes in metabolic and circulatory functions
D) Growth of muscle fiber -
9. Muscular endurance is increased through
*Answer: Gains in strength and changes in metabolic and circulatory functions -
A permanent increase in muscle size
A) Is due to overeating.
B) Is due to an increase in the number of muscle fibers and/or size of muscle fiber.
C) Is responsible for an increase in strength.
D) Is due to a chemical change in t -
A permanent increase in muscle size
*Answer: Is due to an increase in the number of muscle fibers and/or size of muscle fiber -
Acute muscle soreness
A) Is the same as delayed-onset muscle soreness
B) Is associated with actual muscle membrane damage
C) Is the pain felt during and immediately following exercise
D) Lasts for several days following strenuo -
Acute muscle soreness
*Answer: Is the pain felt during and immediately following exercise -
Strength development is optimized by
A) Many repetitions and high resistance
B) Many repetitions and low resistance
C) Few repetitions and low resistance
D) Few repetitions and high resistance -
Strength development is optimized by
*Answer: Few repetitions and high resistance -
Women and men
A) Do not have the same ability to develop strength
B) Cannot improve their balance with a resistance training program
C) Should not be concerned about injury prevention
D) Do have the same ability to develop stre -
Women and men
*Answer: Do have the same ability to develop strength -
The maximal force a muscle or muscle group can generate is termed
A) Muscular power
B) Muscular endurance
C) Muscular strength
D) Muscular weight -
The maximal force a muscle or muscle group can generate is termed
*Answer: Muscular strength -
Energy released from the breakdown of food is converted by the body and stored as
A) Fat
B) Protein
C) Glucose
D) ATP -
Energy released from the breakdown of food is converted by the body and stored as
*Answer: ATP -
The body relies heavily on ______________for fuel during short durations of exercise and during high intensity exercise.
A) Protein
B) Carbohydrate
C) Fat
D) Sugar -
The body relies heavily on ______________for fuel during short durations of exercise and during high intensity exercise.
*Answer: Carbohydrate -
A permanent increase in muscle size is due to
A) An increase in either the number of muscle fibers or the size of the existing muscle fibers
B) Increased hormone levels
C) Lifting weights
D) An increase in strength -
A permanent increase in muscle size is due to
*Answer: An increase in either the number of muscle fibers or the size of the existing muscle fibers -
18. The endocrine system
A) Includes all tissues or glands that secrete hormones.
B) Includes all muscles and chemicals excreted by the muscles.
C) Has nothing to do with the homeostasis state of the body.
D) Secretes four basi -
The endocrine system
*Answer: Includes all tissues or glands that secrete hormones. -
Steroid hormones
A) are secreted by the adrenal cortex, ovaries, testes, and the placenta.
B) bind with receptors within the cell.
C) Easily diffused through cell membranes.
D) All of the above. -
Steroid hormones
*Answer: All of the above. -
20. Exercise
A) Decreases blood pressure and induces sweating.
B) Increases blood pressure and reduces sweating.
C) Increases temperature and reduces sweating.
D) Increases blood pressure and induces sweating. -
Exercise
*Answer: Increases blood pressure and induces sweating. -
The central nervous system consists of
A) a network of nerves and sense organs that feed information to the brain
B) the frontal lobe, the temporal lobe, the parietal lobe, and the occipital lobe
C) the brain and the spinal cord
-
The central nervous system consists of
*Answer: the brain and the spinal cord -
The three types of muscles are
A) Skeletal, striated, voluntary
B) Smooth, cardiac, skeletal
C) Cardiac, striated, voluntary
D) Cardiac, striated, smooth -
The three types of muscles are
Smooth, cardiac, skeletal -
Which of the following are common to all three types of muscle- skeletal, cardiac, and smooth?
A) Contraction must be initiated by an action potential in a nerve fiber to the muscle cell.
B) The interaction of actin, myosin, and ATP is re -
Which of the following are common to all three types of muscle- skeletal, cardiac, and smooth?
*Answer: The interaction of actin, myosin, and ATP is responsible for generating force by the muscle cells. -
Which of the following items does not help increase force production?
A) Using optimal joint angle when performing the movement
B) Recruiting more motor units
C) Stretching the muscle to a length approximately 20% greater than its r -
Which of the following items does not help increase force production?
*Answer: Executing the movement more slowly, even in eccentric actions -
4. There are two major types of muscle fiber;
A) Voluntary and involuntary
B) Contracted and relaxed
C) Transverse tubules and myofibril
D) Slow-twitch and fast-twitch -
There are two major types of muscle fiber;
*Answer: Slow-twitch and fast-twitch -
A neuron that transmits a nerve impulse to the central nervous system is called
A) a motor neuron
B) a sensory neuron
C) a bipolar neuron
D) an association neuron -
A neuron that transmits a nerve impulse to the central nervous system is called
*Answer: a sensory neuron -
A synapse is
A) transported across the nerve membrane maintain the electrical imbalance.
B) The site of impulse transmission from one neuron to another.
C) Most commonly chemical
D) Both b and c -
A synapse is
B) The site of impulse transmission from one neuron to another.
C) Most commonly chemical
answer both b and c