APU SPHE314 WEEK 8 final quiz

| August 14, 2017

Question 1 of 85
1.17/ 1.17 Points
The multiple functions of the muscular system are performed
by ______________type(s) of muscle:
A.2
B.3
C.4
D.1

Question 2 of 85
1.17/ 1.17 Points
Which of the following is not considered a fuel nutrient?
A.carbohydrate
B.fat
C.water
D.protein

Question 3 of 85
1.17/ 1.17 Points
The layer of connective tissue surrounding the outside of
the muscle is called:
A.perimysium
B.carbohydrate
C.sarcomysium
D.epimysium

Question 4 of 85
1.17/ 1.17 Points
Protein can supply about 5 to 10% of the total energy needs
during:
A.sprinting
activities
B.prolonged exercise
C.all types of
exercise
D.weightlifting

Question 5 of 85
1.17/ 1.17 Points
The two main components of the nervous system are:
A.the autonomic
nervous system and the somatic nervous system
B.the brain and the
spinal cord
C.the central nervous system and the
peripheral nervous system
D.the efferent and
afferent divisions of the nervous system

Question 6 of 85
1.17/ 1.17 Points
The autonomic nervous system can be divided into two
functional and anatomical divisions called:
A.sympathetic and
unsympathetic
B.sympathetic and parasympathetic
C.afferent and
efferent
D.CNS and peripheral

Question 7 of 85
1.17/ 1.17 Points
Using an insulated, airtight chamber with walls containing
copper tubing through which water is passed to assess total body energy
expenditure is called:
A.direct calorimetery
B.indirect calorimetry
C.open-circuit
spirometry
D.closed-circuit
spirometry

Question 8 of 85
1.17/ 1.17 Points
The respiratory exchange ratio (RER) is defined as the ratio
between the:
A.of CO2 produced and
the amount of CO2 consumed during metabolism
B.amount of CO2
produced and the amount of CO2 consumed during metabolism
C.amount of CO2 released and the amount of O2
consumed during metabolism
D.amount of O2
released and the amount of CO2 consumed during metabolism

Question 9 of 85
1.17/ 1.17 Points
The primary function of the cardiovascular system is:
A.thermoregulation
B.immune function
C.ensuring that there is adequate blood flow
throughout the circulation to meet the metabolic demand
D.maintenance of
acid-base balance and overall body fluid balance

Question 10 of 85
1.17/ 1.17 Points
The heart’s main nutrient blood supply is provided via:
A.the superior and
inferior vena cavae
B.the right and left coronary arteries
C.the coronary veins
D.the pulmonary
arteries

Question 11 of 85
1.17/ 1.17 Points
At a constant temperature, pressure and volume are inversely
related. This is known as _____________ law.
A.Boyle’s
B.Henry’s
C.Dalton’s
D.Charles’

Question 12 of 85
1.17/ 1.17 Points
Which of the following laws states that the rate of
diffusion through a tissue such as the respiratory membrane is proportional to
the surface area and the difference in the partial pressure of gas between the
two sides of the tissue?
A.Boyle’s law
B.Dalton’s law
C.Charles’ law
D.Fick’s law

Question 13 of 85
1.17/ 1.17 Points
Pulmonary ventilation is:
A.the process by which air is moved into and
out of the lungs
B.the volume of air
available for gas exchange
C.anatomical dead
space times respiratory rate
D.None of these is .

Question 14 of 85
1.17/ 1.17 Points
To eject greater volume of blood, the ventricle responds by
contracting more forcefully. This is referred to as as the:
A.Diastolic mechanism
B.Frank-Starling mechanism
C.Fick principle
D.cardiovascular
drift

Question 15 of 85
1.17/ 1.17 Points
An increase in heart rate that occurs in anticipation of
competition is due to:
A.an increase in stimulation of sympathetic
nervous system
B.an increase in
stimulation of paraympathetic nervous system
C.decrease in
stimulation of sympathetic nervous system
D.release of
acetylcholine

Question 16 of 85
1.17/ 1.17 Points
The multiple functions of the muscular system are performed
by _________ type(s) of muscle.
A.2
B.3
C.4
D.1

Question 17 of 85
1.17/ 1.17 Points
The layer of connective tissue surrounding the outside of
the muscle is called:
A.perimysium
B.endomysium
C.sarcomysium
D.epimysium

Question 18 of 85
0.58/ 1.17 Points
Which of the following is not considered a fuel nutrient?
A. carbohydrate
B. fat
C. water
D. protein
, D
Question 19 of 85
1.17/ 1.17 Points
Protein can supply about 5 to 10% of the total energy needs
during:
A.non sprinting
activities
B.prolonged exercise
C.all types of
exercise
D.weightlifting

Question 20 of 85
1.17/ 1.17 Points
The heart is not like other muscles in the body in that it
does not strengthen by endurance training.

A. True
B. False

Question 21 of 85
1.17/ 1.17 Points
The B complex vitamins were once thought to be a single
vitamin.

A. True
B. False

Question 22 of 85
1.17/ 1.17 Points
Amphetamine and its derivatives are central nervous system
depressants

A. True
B. False

Question 23 of 85
1.17/ 1.17 Points
Maturation refers to the process of taking on adult form and
becoming fully functional

A. True
B. False

Question 24 of 85
1.17/ 1.17 Points
Growth refers to
A.an increase size of the body or any of its
parts
B.an increase is body
size only
C.an increase in
development
D.none of the above

Question 25 of 85
1.17/ 1.17 Points
Girls mature physiologically about
A.2 years earlier than boys do
B.the same rate as
boys
C.2 years later than
boys do
D.none of the above

Question 26 of 85
1.17/ 1.17 Points
Peak strength is usally attained by age 20 in women

A. True
B. False

Question 27 of 85
0.0/ 1.17 Points
The level of strength needed to meet the daily demands of
living remains unchanged throughout life.
In
A. True
B. False

Question 28 of 85
1.17/ 1.17 Points
Lung changes considerably with aging in sedentary people

A. True
B. False

Question 29 of 85
1.17/ 1.17 Points
Chronic fatique syndrome is very similar to the overtraining
syndrome.

A. True
B. False

Question 30 of 85
1.17/ 1.17 Points
Dyspnea is the clinical name for leg pain as a result of
weight training.

A. True
B. False

Question 31 of 85
1.17/ 1.17 Points
Sensory receptors called thermoreceptors
A.detect changes in temperature and relay this
information to the body’s thermostat, located in the region of the brain called
the preoptic anterior hypothalamus
B.detect changes in
temperature and relay this information to the body’s thermostat, located in the
region of the brain called the pituitary gland
C.do not detect
changes in temperature
D.none of the above

Question 32 of 85
1.17/ 1.17 Points
A person’s rate of adaptation to training is not genetically
limited and can be forced beyond his or her body’s capacity for development

A. True
B. False

Question 33 of 85
1.17/ 1.17 Points
Phosphorus is closely linked to calcium

A. True
B. False

Question 34 of 85
0.0/ 1.17 Points
Muscular endurance is highly related to the development of:
A.aerobic capacity
In B.muscular
strength and anaerobic power
C.leg speed and
anaerobic power
D.cardiorespiratory
systems’ ability to maintain oxygen delivery to working muscles during
prolonged bouts of exercise

Question 35 of 85
0.0/ 1.17 Points
Which of the following sports would be least dependent on
muscular endurance?
A.boxing
B.wrestling
In
C.distance running
D.weight lifter

Question 36 of 85
1.17/ 1.17 Points
Aldosterone is responsible for maintaining appropriate
sodium levels.

A. True
B. False

Question 37 of 85
1.17/ 1.17 Points
Thyroxine regulates sodium levels.

A. True
B. False

Question 38 of 85
1.17/ 1.17 Points
The WBGT index provides a single temperature reading to
estimate the cooling capacity of the surrounding environment

A. True
B. False

Question 39 of 85
1.17/ 1.17 Points
The wet bulb temperature in the WBGT index indicates the effect
of sweat evaporating from the skin

A. True
B. False

Question 40 of 85
1.17/ 1.17 Points
Hypoxia is best defined as:
A.oxygen deficiency
B.reduced barometric
pressure
C.decreased blood
flow
D.difficulty breathing

Question 41 of 85
1.17/ 1.17 Points
As altitude increases:
A.the percentage of
oxygen, carbon dioxide, and nitrogen decreases
B.the partial
pressure of oxygen, carbon dioxide, and nitrogen increases
C.the partial pressure of oxygen, carbon
dioxide, and nitrogen is reduced in direct proportion with increasing altitude
D.the cold air is
capable of holding more moisture (water) than dry

Question 42 of 85
0.0/ 1.17 Points
Hypoxemia at high altitudes:
A.is a direct
reflection of lower alveolar PO2
In B.is a
result of reduced diffusion of oxygen from the lungs to the blood
C.is a direct
reflection of lower alveolar PCO2
D.is a direct result
of decreases in pulmonary ventilation

Question 43 of 85
1.17/ 1.17 Points
The major physical changes associated with training occur
in:
A.the first 6 to 10 weeks
B.the first 1 to 2
weeks
C.the first 6 to 10
days
D.the first 2 to 3
months

Question 44 of 85
1.17/ 1.17 Points
The practice of reducing training volume and intensity
before a major competition is referred to as:
A.tapering
B.periodization
C.detraining
D.undertraining

Question 45 of 85
1.17/ 1.17 Points
The type of training an athlete would undertake between
competitive seasons or during active rest is:
A.acute overload
B.overreaching
C.undertraining
D.overtraining

Question 46 of 85
1.17/ 1.17 Points
The type of training that refers to a brief period of heavy
overload without adequate recovery is:
A.acute overload
B.overreaching
C.undertraining
D.overtraining

Question 47 of 85
1.17/ 1.17 Points
The type of training that refers to the point where an
athlete experiences physiological maladaptations and chronic performance
decrements is:
A.acute overload
B.overreaching
C.excessive training
D.overtraining

Question 48 of 85
0.0/ 1.17 Points
Body composition refers to the body’s _________ composition.
A.water
B.chemical
C.blood
In
D.densitometry

Question 49 of 85
1.17/ 1.17 Points
The densitometric technique to measure body density using
air displacement is:
A.bioelectrical
impedance
B.air plethysmography
C.air immersion
D.air conduction

Question 50 of 85
1.17/ 1.17 Points
Body density is measured directly by:
A.electrical
impedance
B.skinfolds
C.underwater weighing
D.radiography

Question 51 of 85
0.0/ 1.17 Points
Infrequent or scant menstrual flow is:
In
A.amenorrhea
B.oligomenorrhea
C.delayed menarche
D.polygonalmenorrhea

Question 52 of 85
0.0/ 1.17 Points
Fat should contribute no more than ______ % of one’s daily
caloric intake.
In A.25
B.35
C.55
D.70

Question 53 of 85
1.17/ 1.17 Points
Which of the following are considered fuel nutrients?
A.carbohydrate, fat, and protein
B.carbohydrate,
vitamins, and water
C.fat, protein, and
minerals
D.water, vitamins,
and minerals

Question 54 of 85
1.17/ 1.17 Points
A macromineral is a mineral the body needs:
A.in quantities greater than 100 mg per day
B.in quantities less
than 100 mg per day
C.in trace amounts
D.to aid aerobic
metabolism

Question 55 of 85
1.17/ 1.17 Points
In the densitometry method of body composition analysis, the
density of the body is compared to the density of water.

A. True
B. False

Question 56 of 85
0.0/ 1.17 Points
The equation that tends to overestimate the density of obese
individuals and underestimates body fatness is a quadratic equation.
In
A. True
B. False

Question 57 of 85
0.0/ 1.17 Points
An athlete who is chronically underweight exhibits symptoms
that mimic those of overtraining.
In
A. True
B. False

Question 58 of 85
1.17/ 1.17 Points
Carbohydrate are considered the major source of energy for
high-intensity exercise.

A. True
B. False

Question 59 of 85
1.17/ 1.17 Points
The rate of glycogen resynthesis postexercise is highest in
the first 2 hours after exercise.

A. True
B. False

Question 60 of 85
1.17/ 1.17 Points
Any substance or phenomenon that enhances performance is an
ergogenic aid.

A. True
B. False

Question 61 of 85
1.17/ 1.17 Points
Anabolic steroids decrease the body’s water stores.

A. True
B. False

Question 62 of 85
0.0/ 1.17 Points
L-carnitine supplementation enhances fatty acid oxidation
and spares glycogen.
In
A. True
B. False

Question 63 of 85
1.17/ 1.17 Points
Anabolic steroids tend to increase fat-free body mass.

A. True
B. False

Question 64 of 85
1.17/ 1.17 Points
The increase in body fat in girls at puberty is due to a
marked increase in estrogen levels.

A. True
B. False

Question 65 of 85
1.17/ 1.17 Points
Standard training principles used for adults can be applied
when designing aerobic and anaerobic training programs for children and
adolescents.

A. True
B. False

Question 66 of 85
0.0/ 1.17 Points
The rates of skeletal, muscular, and sexual maturation in
children and adolescents are clearly increased by regular exercise training.
In
A. True
B. False

Question 67 of 85
0.0/ 1.17 Points
At birth, fat generally accounts for about 30% of one’s
total body weight, and this percentage decreases steadily with growth and
maturation.
In
A. True
B. False

Question 68 of 85
1.17/ 1.17 Points
Hard physical training in prepubescent children is
responsible for delaying the onset of puberty.

A. True
B. False

Question 69 of 85
1.17/ 1.17 Points
The peak rate of growth in height occurs at the age of 12.0
years in girls and 14.0 years in boys.

A. True
B. False

Question 70 of 85
0.0/ 1.17 Points
Compared to an adult, a child has a slightly lower cardiac
output, but higher arterial-venous oxygen difference for the same rate of work
or the same oxygen consumption.
In
A. True
B. False

Question 71 of 85
1.17/ 1.17 Points
All lung volumes increase as size increases in young
athletes until growth is completed.

A. True
B. False

Question 72 of 85
1.17/ 1.17 Points
The increasing length of a muscle in the growing child
occurs as a result of increases in both the number of new and the length of
existing sarcomeres.

A. True
B. False

Question 73 of 85
1.17/ 1.17 Points
Erythopoietin (EPO) is a naturally occuring hormone produced
by the kidneys

A. True
B. False

Question 74 of 85
0.0/ 1.17 Points
Arterial-venous oxygen difference is decreased in older
individuals because of a decrease in capillary density.
In
A. True
B. False

Question 75 of 85
1.17/ 1.17 Points
Reductions in muscle and bone mass with aging result
entirely from reduced physical activity.

A. True
B. False

Question 76 of 85
1.17/ 1.17 Points
Maximal arterial-venous oxygen differences are similar in
older and younger individuals.

A. True
B. False

Question 77 of 85
1.17/ 1.17 Points
In older adults, fat-free mass tends to decrease because of
losses of bone calcium and muscle mass.

A. True
B. False

Question 78 of 85
1.17/ 1.17 Points
A female athlete who is amenorrheic cannot become pregnant.

A. True
B. False

Question 79 of 85
1.17/ 1.17 Points
Female athletes appear to be at increased risk for eating
disorders when compared to women in the general population.

A. True
B. False

Question 80 of 85
1.17/ 1.17 Points
There is a strong connection among each of the three
components of the female athlete triad: disordered eating, secondary
amenorrhea, and bone mineral disorders.

A. True
B. False

Question 81 of 85
0.0/ 1.17 Points
Sport and recreational activities are appropriate for
developing fitness in unfit individuals.
In
A. True
B. False

Question 82 of 85
0.0/ 1.17 Points
The specificity of an exercise test refers to the test’s
ability to ly identify diseased individuals.
In
A. True
B. False

Question 83 of 85
1.17/ 1.17 Points
The prevalence of obesity has increased dramatically over
the past 30 years.

A. True
B. False

Question 84 of 85
1.17/ 1.17 Points
Aerobic training reduces blood pressure in healthy
individuals as well as those who have hypertension.

A. True
B. False

Question 85 of 85
1.72/ 1.72 Points
Low-intensity aerobic activity does not necessarily lead to
a greater expenditure of calories from fat.

A. True
B. False

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