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the primary fuel during endurance exercise is ✔Correct Answer-fatty acids
the human body consists of ✔Correct Answer-chemicals, cells, tissues
Metabolism can be categorized in the following phases ✔Correct Answer-catabolism & anabolism
BMR stands for ✔Correct Answer-basal metabolic rate
A 30-minute jog would rely most heavily on which energy pathway? ✔Correct Answer-oxidative
The automatic tendency to maintain a relatively constant internal environment is called homeostasis.
✔Correct Answer-true
About 98% of the human body is composed of only six elements: oxygen, carbon, hydrogen,
nitrogen, calcium and phosphorous. ✔Correct Answer-true
Mitochondria are known as the powerhouse of the cell. ✔Correct Answer-true
The heart, arteries and veins are part of the circulatory system. ✔Correct Answer-true
The ATP/CP pathway is considered aerobic metabolism. ✔Correct Answer-false
Non-oxidative glycolysis is reliable for: ✔Correct Answer-Up to 2 minutes of ATP production
The primary fuel during endurance exercise is ✔Correct Answer-muscle glycogen
The main purpose of hormones is to: ✔Correct 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
The main purpose of the digestive system is ✔Correct Answer-the breakdown of foods and waste
elimination.
The main purpose of the respiratory system is: ✔Correct Answer-To supply oxygen to the body, To
eliminate carbon dioxide in the body, To regulate the body's pH balance
The average human adult skeleton has ✔Correct Answer-206 bones
There are 80 bones in the axial skeleton. ✔Correct Answer-true
This type of joint permits a wide range of movement in ONE plane. ✔Correct Answer-hinge joints
Tendons connect bone to bone. ✔Correct Answer-false
, Tendons: ✔Correct Answer-Are extensions of muscle fibers, Connect muscle to bone
The points of muscle attachment are known as the ✔Correct Answer-insertion, origin
The origin is the distal attachment of a muscle ✔Correct Answer-false
These sense organs measure the strain in a muscle and can be used to pre-set the tension of
muscles. ✔Correct Answer-Muscle spindles
Myofibrils are constructed of overlapping strands of protein polymers called ✔Correct Answer-
actin and myosin
What is the byproduct of glucose and glycogen metabolism (glycolysis) in anaerobic muscle
energetics? ✔Correct Answer-Lactic Acid
Type I muscle fibers are aerobic. ✔Correct Answer-true
Type II muscle fibers are slow twitch fibers. ✔Correct Answer-false
Cardiovascular exercise results in: ✔Correct Answer-Mitochondrial adaptations and Capillary
capacity adaptations
Muscular hypertrophy is a(n) ✔Correct Answer-increase in muscle fiber size
Kinesiology is ✔Correct Answer-he science or study of movement, and the active and passive
structures involved
An example of an antagonist muscle is ✔Correct Answer-riceps during a biceps curl
The angle of pull is ✔Correct Answer-the variance of force at different points in the range of
motion of an exercise
A lever is defined as ✔Correct Answer-a rigid bar that turns around an axis of rotation or fulcrum
Biomechanics is the study of: ✔Correct Answer-Movement
Musculoskeletal deviations can result in ✔Correct Answer-poor muscle balance, poor flexibility,
improper spinal alignment
Excessive lateral curvature of the spinal column is known as: ✔Correct Answer-Scoliosis
What should be of prime focus in all fitness activities? ✔Correct Answer-Posture
The knee is stabilized on the anterior side by which muscle? ✔Correct Answer-quadriceps
The shoulder joint is a multi-axial joint that allows for all the following movements except
✔Correct Answer-flexion, extension/hyperextension, transverse (horizontal) adduction and
abduction, abduction and adduction, medial (inward) and lateral (outward) rotation, and
circumduction.
In a concentric contraction the muscles shorten to produce movements. ✔Correct Answer-true