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