ANSWERS GRADED A+
Muscular, cardiopulmonary, and metabolic adaptations to exercise are known as the training
effect. (T/F) ✔✔True
The body's automatic tendency to maintain a constant internal body environment through various
processes is called: ✔✔Homeostasis
BMR stands for ✔✔basal metabolic rate
Anabolism and catabolism occur at the same time throughout the body. (T/F) ✔✔True
A calorie is a unit of heat. (T/F) ✔✔True
The preferred unit in metabolic studies and nutrition labels is the kilocalorie (kcal). (T/F)
✔✔True
The primary (not the 'initial') fuel during endurance exercise is: ✔✔Fatty acids
,The molecule used for storing and transferring energy in the body is called: ✔✔Adenosine
triphosphate (ATP)
The ATP/CP pathway is the primary pathway used for activities lasting two minutes or greater.
(T/F) ✔✔False
About 98% of the human body is composed of only six elements: oxygen, carbon, hydrogen,
nitrogen, calcium, and phosphorous. (T/F) ✔✔True
The respiratory system is responsible for: ✔✔- Supplying oxygen to the body
- Eliminating carbon dioxide in the body
- Helps regulate the body's pH balance
The circulatory system consists of: ✔✔Heart, arteries, and veins
The nervous system is made up of the: ✔✔peripheral nervous system and central nervous system
,Excretion is one function of the digestive system. (T/F) ✔✔True
Hormones are classified as: ✔✔Steroids, Amino-Acid derivatives, Peptides
Hemoglobin is an oxygen-transporting protein in red blood cells. (T/F) ✔✔True
The main purpose(s) of hormones is/are to: ✔✔- 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) ✔✔False
The average human adult skeleton has: ✔✔206 bones
Tendons: ✔✔Are extensions of muscle fibers and connect muscle to bone
The anatomical terms for front and back are: ✔✔anterior and posterior
, Type I muscle fibers are predominantly aerobic. (T/F) ✔✔True
Cardiovascular/aerobic exercise results in: ✔✔Mitochondrial adaptations
Type II muscle fibers are entirely aerobic. (T/F) ✔✔False
Muscular hypertrophy is a(n): ✔✔increase in muscle fiber size
In a concentric contraction, the muscle lengthens to produce movements. (T/F) ✔✔False
Kinesiology is: ✔✔The science or study of human movement, and the active and passive
structures involved
An isometric contraction is when: ✔✔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) ✔✔True