Domain 1 Flashcards
What is the recommended daily intake for carbohydrates? Select one: a. 1-3 g/kg body weight b. 11-13 g/kg body weight c. 3-5 g/kg body weight d. 6-10 g/kg body weight
d. 6-10 g/kg body weight
Decreased levels of thyroid hormones tend to cause a decrease in which of the following? Select one: a. Resting heart rate b. Systolic blood pressure c. Resting metabolic rate d. Diastolic blood pressure
c. Resting metabolic rate
Pronation of the forearm involves the inward movement of the forearm in which of the following planes? Select one: a. Sagittal b. Anterior-posterior c. Transverse d. Frontal
c. Transverse
What may be the best measure of cardiorespiratory fitness? Select one: a. End-diastolic volume b. Maximal lung capacity c. Stroke volume d. Maximal oxygen consumption
d. Maximal oxygen consumption
Which of the following is an effect of dehydration? Select one: a. Increased sodium excretion b. Decreased use of muscle glycogen c. Decreased core temperature d. Increased heart rate
d. Increased heart rate
In which plane of motion does a hammer curl occur? Select one: a. Anterior-posterior b. Transverse c. Frontal d. Sagittal
d. Sagittal
Resting oxygen consumption is approximately how many mL of oxygen per kilogram body weight per minute? Select one: a. 0.35 mL b. 350 mL c. 35.0 mL d. 3.5 mL
d. 3.5 mL
To which of the following do the local core stabilizers attach? Select one: a. Humerus b. Femur c. Vertebrae d. Clavicle
c. Vertebrae
What is the term referring to the synergistic action of muscle groups to produce movement around a joint? Select one: a. Moment of force b. Length-tension relationship c. Stretch-shortening cycle d. Force-couple relationship
d. Force-couple relationship
A client runs a mile in 6 min and 30 seconds. Which of the following energy systems is the client primarily using to produce energy? Select one: a. Anaerobic glycolysis b. Phosphagen c. Oxidative d. ATP-PC
c. Oxidative
Which of the following is true of skeletal muscle?
Select one:
a. Skeletal muscle fibers are more tightly connected than cardiac muscle fibers.
b. Skeletal muscle fibers are shorter than cardiac muscle fibers.
c. It is a voluntary muscle.
d. It is composed of intercalated discs.
c. It is a voluntary muscle.
What muscle is responsible for concentrically accelerating hip extension and external rotation? Select one: a. Tensor fascia latae b. Gluteus minimus c. Psoas major d. Gluteus maximus
d. Gluteus maximus
With which of the following terms is eccentric motion synonymous? Select one: a. Constant force b. Constant length c. Acceleration d. Deceleration
d. deceleration
Which of the following is true of glycogen?
Select one:
a. It is used by the body during short-duration, low-intensity activities.
b. It is a form of glucose stored predominantly in the epidermal cells.
c. It is the chemical or substrate form in which most fat exist.
d. It is a complex carbohydrate that can be rapidly broken down into glucose.
d. It is a complex carbohydrate that can be rapidly broken down into glucose.
What is the purpose of stretch-shortening cycles?
Select one:
a. To decrease the reaction time of the muscle action spectrum
b. To enhance excitability and decrease the rate of force production
c. To check the client’s core strength and balance stabilization capabilities
d. To produce the necessary force to change the direction of an object’s center of mass efficiently
d. To produce the necessary force to change the direction of an object’s center of mass efficiently
Arterioles branch out into vessels know as what? Select one: a. Capillaries b. Veins c. Blood vessels d. Venules
a. Capillaries
Which muscle is responsible for concentrically accelerating plantar flexion? Select one: a. Semitendinosis b. Gastrocnemius c. Anterior tibialis d. Bicep femoris
b. Gastrocnemius
Which movements is the gluteus maximus responsible for?
Select one:
a. Concentrically accelerating hip supination and lateral rotation
b. Concentrically accelerating hip extension and external rotation
c. Concentrically accelerating hip flexion and internal rotation
d. Concentrically accelerating hip adduction and medial rotation
b. Concentrically accelerating hip extension and external rotation
Excess intake of vitamin D can lead to which of the following? Select one: a. Bone and joint pain b. Calcification of arteries c. Loss of hair d. Osteopenia
b. Calcification of arteries
Which of the following characteristics distinguishes type II muscle fibers from type I muscle fibers?
Select one:
a. Contractions of a longer duration
b. Decreased oxygen delivery
c. Smaller in size
d. More capillaries, mitochondria, and myoglobin
b. Decreased oxygen delivery
type 2
white, fast, fast twitch, anaerobic, short, weak, ATP, Creatine
Which term represents the ability of the neuromuscular system to allow all muscles to work synergistically? Select one: a. Davis's law b. Synergistic dominance c. Neuromuscular efficiency d. Reciprocal inhibition
c. Neuromuscular efficiency
What refers to a position on the same side of the body? Select one: a. Ipsilateral b. Proximal c. Medial d. Anterior
a. Ipsilateral
Which of the following is a characteristic of muscle spindles?
Select one:
a. They are sensitive to change in length of muscle and the rate of that change.
b. They transmit nerve impulses from one neuron to another.
c. They provide the ability to sense the relative position of adjacent parts of the body.
d. They are slow twitch, “red” muscle fibers with a high degree of mitochondria.
a. They are sensitive to change in length of muscle and the rate of that change
Which term refers to the capability of soft tissues to be elongated or stretched? Select one: a. Extensibility b. Septicity c. Plasticity d. Miscibility
a. Extensibility
Which term refers to an anatomical position on the opposite side of the body? Select one: a. Ipsilateral b. Superior c. Contralateral d. Distal
c. Contralateral
During a 40-yard dash, the hamstring complex begins to do most of the work for a weakened gluteus maximus. Which of the following best describes this action? Select one: a. Synergistic dominance b. Force-couple relationships c. Length-tension relationships d. Arthrokinematic dysfunction
a. Synergistic dominance
What term describes the act of synergists taking over function for a weak or inhibited prime mover? Select one: a. Autogenic inhibition b. Synergistic dominance c. Arthrokinetic dysfunction d. Altered reciprocal inhibition
b. Synergistic dominance
Which of the following is the correct recommendation for caffeine intake for performance enhancement? Select one: a. 3-6 mg/lb b. 1-3 mg/lb c. 3-6 mg/kg d. 1-3 mg/kg
c. 3-6 mg/kg
Which of the following glands releases growth hormone during childhood up until puberty? Select one: a. Pituitary gland b. Adrenal gland c. Holocrine gland d. Thyroid gland
a. Pituitary gland
The body's ability to differentiate between walking on concrete and walking on sand is an example of which of the following functions of the nervous system? Select one: a. Arthrokinematic b. Integrative c. Motor d. Sensory
d. Sensory
Shoulder elevation refers to which of the following motions of the scapula? Select one: a. Axial b. Vertical c. Transverse d. Superior
d. Superior
The active supine biceps femoris stretch uses which physiological principle to increase flexibility? Select one: a. Altered reciprocal inhibition b. Autogenic inhibition c. Synergistic dominance d. Reciprocal inhibition
d. Reciprocal inhibition
What is a life-sustaining fluid that supplies the body’s organs and cells with oxygen and nutrients and helps regulate body temperature, fight infections, and remove waste products? Select one: a. Exudate b. Blood c. Bile d. Rheum
b. Blood
A personal trainer is advising a client on caloric distribution. Which of the following falls within the Acceptable Macronutrient Distribution Range (AMDR) for protein? Select one: a. 50% b. 30% c. 40% d. 60%
b. 30%
Which term refers to the cumulative sensory input to the central nervous system from all mechanoreceptors that sense position and limb movements? Select one: a. Periodization b. Homeostasis c. Proprioception d. Amortization
c. Proprioception
The force-velocity curve describes the relationship between which of the following?
Select one:
a. Mass and volume
b. Work and energy production
c. Muscle force and the velocity of contraction
d. Torque production and inertia
c. Muscle force and the velocity of contraction
Which of the following best defines muscle imbalance?
Select one:
a. Exertion of more force by a muscle than what is being placed on it.
b. Alteration of muscle length surrounding a joint.
c. The body seeking the path of least resistance during functional movement patterns.
d. Synergists taking over the function of a weak or inhibited prime mover.
b. Alteration of muscle length surrounding a joint.
Which term refers to the assistance of amino acids in energy production during periods of starvation? Select one: a. Gluconeogenesis b. Glycogenesis c. The Cori cycle d. The Kreb's cycle
a. Gluconeogenesis
As the velocity of a muscular contraction increases, the ability to produce force increases for which part of the muscle action spectrum? Select one: a. Isometric b. Concentric c. Isokinetic d. Eccentric
d. Eccentric
Resting metabolic rate accounts for what percentage of total energy expenditure? Select one: a. 0.85 b. 0.4 c. 0.7 d. 0.55
c. 0.7
Purpose of Proteins
they structure, function, and regulation of the body’s tissues and organs
