ANSWERS
A calorie is a unit of heat. (T/F) - ANSWER -True
The preferred unit in metabolic studies and nutrition labels is the kilocalorie
(kcal). (T/F) - ANSWER -True
The primary (not the 'initial') fuel during endurance exercise is: - ANSWER -Fatty
acids
The molecule used for storing and transferring energy in the body is called: -
ANSWER -Adenosine triphosphate (ATP)
The ATP/CP pathway is the primary pathway used for activities lasting two
minutes or greater. (T/F) - ANSWER -False
About 98% of the human body is composed of only six elements: oxygen, carbon,
hydrogen, nitrogen, calcium, and phosphorous. (T/F) - ANSWER -True
The respiratory system is responsible for: - ANSWER -- Supplying oxygen to the
body
- Eliminating carbon dioxide in the body
- Helps regulate the body's pH balance
The circulatory system consists of: - ANSWER -Heart, arteries, and veins
The nervous system is made up of the: - ANSWER -peripheral nervous system
and central nervous system
Excretion is one function of the digestive system. (T/F) - ANSWER -True
Hormones are classified as: - ANSWER -Steroids, Amino-Acid derivatives,
Peptides
,Hemoglobin is an oxygen-transporting protein in red blood cells. (T/F) -
ANSWER -True
The main purpose(s) of hormones is/are to: - ANSWER -- Alter the rate of
synthesis of your cellular protein
- Change the rate of enzyme activity
- Change the rate of transport of nutrients through the cell wall
Tendons connect bone to bone. (T/F) - ANSWER -False
The average human adult skeleton has: - ANSWER -206 bones
Tendons: - ANSWER -Are extensions of muscle fibers and connect muscle to
bone
The anatomical terms for front and back are: - ANSWER -anterior and posterior
Type I muscle fibers are predominantly aerobic. (T/F) - ANSWER -True
Cardiovascular/aerobic exercise results in: - ANSWER -Mitochondrial adaptations
Type II muscle fibers are entirely aerobic. (T/F) - ANSWER -False
Muscular hypertrophy is a(n): - ANSWER -increase in muscle fiber size
In a concentric contraction, the muscle lengthens to produce movements. (T/F) -
ANSWER -False
Kinesiology is: - ANSWER -The science or study of human movement, and the
active and passive structures involved
An isometric contraction is when: - ANSWER -A muscle does not lengthen or
shorten as it contracts
, True synergy occurs when a muscle contracts to stop the secondary action of
another muscle. (T/F) - ANSWER -True
An example of an antagonist muscle is: - ANSWER -Triceps during a biceps curl
Adduction is a movement of a body part away from the midline of the body. (T/F)
- ANSWER -False
An example of flexion is the: - ANSWER -Concentric action of a bicep curl
Flexion mainly occurs in which plane? - ANSWER -sagittal plane
Newton's second law of motion deals with force and its relationship to mass and
acceleration. (T/F) - ANSWER -True
Biomechanics is the study of: - ANSWER -movement
Muscular force is broken down into the components of: - ANSWER -Magnitude,
Direction, Point of application, Line of action
Inertia can be categorized as: - ANSWER -Resting inertia and moving inertia
A first-class lever is similar to a seesaw. (T/F) - ANSWER -True
The ability to perceive your position and movement of the body or limbs in space
is known as: - ANSWER -Kinesthesis
A second-class lever is similar to a wheelbarrow. (T/F) - ANSWER -True
The faster the work is done during a movement, the lesser the amount of power.
(T/F) - ANSWER -False
Posture is solely viewed in static positions, such as sitting, standing, or lying
down. (T/F) - ANSWER -False