W.I.T.S. - FINAL EXAM STUDY
QUESTIONS
________is the most important source of immediate energy which lasts about 3-5
seconds
a. Phosphocreatine
b. Glycolysis
c. Oxidative phosphorylation
d. Aerobic glycolysis - answera. Phosphocreatine
During muscle contraction, the__________releases calcium into the sarcoplasm, which
allows for actin-myosin interaction.
a. Transverse tubule
b. Sarcoplasmic reticulum
c. Epimysium
d. Troponin/Tropomyosin complex - answerb. Sarcoplasmic reticulum
Which type of muscle fiber not only produces great force when stimulated but also
resists fatigue?
a. Type I
b. Type IIa
c. Type IIx
d. Type Ia - answerb. Type IIa
The volume of blood pumped by the heart per beat is known as________.
a. stroke capacity
b. stroke rate
c. heart volume
d. stroke volume - answerd. stroke volume
What are the primary reasons women have lower VO2
max values than men?
a. hemoglobin levels and motivation
b. motivation and body weight
c. hemoglobin levels and body fat percentage
d. body fat percentage and motivation - answerc. hemoglobin levels and body fat
percentage
As the respiratory exchange ratio (R) increases,____________
become the primary fuel source for activity.
a. carbohydrates
,b. fats
c. proteins
d. vitamins - answera. carbohydrates
Studies have revealed that ____________ is the most
significant factor in maintaining VO2 max with a reduced training load.
a. frequency
b. time
c. intensity
d. caloric intake - answerc. intensity
_________ is the primary energy source cells use for biological work.
a. Carbohydrate
b. ATP
c. Calcium
d. ADP - answerb. ATP
Which form of heat loss occurs when heat is transferred from the surface of one object
to the surface of another with no physical contact between the objects?
a. conduction
b. evaporation
c. convection
d. radiation - answerd. radiation
____________ is the volume of blood pumped by the heart per minute.
a. Heart rate
b. Respiratory quotient
c. Stroke volume
d. Cardiac output - answerd. Cardiac output
During a ____________, participants exercise at progressively increasing work rates
until they reach maximum work tolerance.
a. graded exercise test (GXT)
b. maximal uptake test (MUT)
c. sub-maximal test (SMT)
d. graded maximal test - answera. graded exercise test (GXT)
The period of elevated oxygen uptake during recovery from exercise is known
as__________.
a. oxygen deficit
b. steady-state requirement
c. oxygen debt
d. oxygen need payment - answerc. oxygen debt
As the respiratory exchange ratio (R) decreases, the primary fuel utilized for exercise is
________________.
, a. protein
b. fat
c. carbohydrate
d. creatine phosphate - answerb. fat
Which component of a cell is a major player for the production of ATP during aerobic
metabolism?
a. mitochondria
b. nucleus
c. sarcoplasmic reticulum
d. endoplasmic reticulum - answera. mitochondria
The fundamental unit of muscle contraction is the_____________.
a. epimysium
b. fascicle
c. perimysium
d. sarcomere - answerd. sarcomere
During periods of exercise, _______________ is the body's primary form of heat loss.
a. convection
b. conduction
c. evaporation
d. radiation - answerc. evaporation
An increase in the frequency of muscle stimulation into a smooth, sustained, high-
tension contraction is called ____________.
a. summation
b. tetanus
c. isometric
d. muscle spasm - answerb. tetanus
Which type of muscle fibers contract quickly and have an innate capacity to produce
great force, but fatigue quickly?
a. Type IIa
b. Type I
c. Type IIx
d. Type Ia - answerc. Type IIx
In the general population, _____________ is the major
variable influencing maximal cardiac output.
a. stroke volume
b. heart rate
c. stroke rate
d. cardiac rhythm - answerc. stroke rate
For the average male and female, about _________ of muscle fibers are type I.
QUESTIONS
________is the most important source of immediate energy which lasts about 3-5
seconds
a. Phosphocreatine
b. Glycolysis
c. Oxidative phosphorylation
d. Aerobic glycolysis - answera. Phosphocreatine
During muscle contraction, the__________releases calcium into the sarcoplasm, which
allows for actin-myosin interaction.
a. Transverse tubule
b. Sarcoplasmic reticulum
c. Epimysium
d. Troponin/Tropomyosin complex - answerb. Sarcoplasmic reticulum
Which type of muscle fiber not only produces great force when stimulated but also
resists fatigue?
a. Type I
b. Type IIa
c. Type IIx
d. Type Ia - answerb. Type IIa
The volume of blood pumped by the heart per beat is known as________.
a. stroke capacity
b. stroke rate
c. heart volume
d. stroke volume - answerd. stroke volume
What are the primary reasons women have lower VO2
max values than men?
a. hemoglobin levels and motivation
b. motivation and body weight
c. hemoglobin levels and body fat percentage
d. body fat percentage and motivation - answerc. hemoglobin levels and body fat
percentage
As the respiratory exchange ratio (R) increases,____________
become the primary fuel source for activity.
a. carbohydrates
,b. fats
c. proteins
d. vitamins - answera. carbohydrates
Studies have revealed that ____________ is the most
significant factor in maintaining VO2 max with a reduced training load.
a. frequency
b. time
c. intensity
d. caloric intake - answerc. intensity
_________ is the primary energy source cells use for biological work.
a. Carbohydrate
b. ATP
c. Calcium
d. ADP - answerb. ATP
Which form of heat loss occurs when heat is transferred from the surface of one object
to the surface of another with no physical contact between the objects?
a. conduction
b. evaporation
c. convection
d. radiation - answerd. radiation
____________ is the volume of blood pumped by the heart per minute.
a. Heart rate
b. Respiratory quotient
c. Stroke volume
d. Cardiac output - answerd. Cardiac output
During a ____________, participants exercise at progressively increasing work rates
until they reach maximum work tolerance.
a. graded exercise test (GXT)
b. maximal uptake test (MUT)
c. sub-maximal test (SMT)
d. graded maximal test - answera. graded exercise test (GXT)
The period of elevated oxygen uptake during recovery from exercise is known
as__________.
a. oxygen deficit
b. steady-state requirement
c. oxygen debt
d. oxygen need payment - answerc. oxygen debt
As the respiratory exchange ratio (R) decreases, the primary fuel utilized for exercise is
________________.
, a. protein
b. fat
c. carbohydrate
d. creatine phosphate - answerb. fat
Which component of a cell is a major player for the production of ATP during aerobic
metabolism?
a. mitochondria
b. nucleus
c. sarcoplasmic reticulum
d. endoplasmic reticulum - answera. mitochondria
The fundamental unit of muscle contraction is the_____________.
a. epimysium
b. fascicle
c. perimysium
d. sarcomere - answerd. sarcomere
During periods of exercise, _______________ is the body's primary form of heat loss.
a. convection
b. conduction
c. evaporation
d. radiation - answerc. evaporation
An increase in the frequency of muscle stimulation into a smooth, sustained, high-
tension contraction is called ____________.
a. summation
b. tetanus
c. isometric
d. muscle spasm - answerb. tetanus
Which type of muscle fibers contract quickly and have an innate capacity to produce
great force, but fatigue quickly?
a. Type IIa
b. Type I
c. Type IIx
d. Type Ia - answerc. Type IIx
In the general population, _____________ is the major
variable influencing maximal cardiac output.
a. stroke volume
b. heart rate
c. stroke rate
d. cardiac rhythm - answerc. stroke rate
For the average male and female, about _________ of muscle fibers are type I.
