Personal and Community Health – Flashcards

Unlock all answers in this set

Unlock answers
question
The leading causes of death for Americans overall are heart disease and cancer.
answer
true
question
The United States is one of the most overweight nations on earth.
answer
true
question
The overload principle states that to see improvements in physical fitness, you must
answer
train at a greater level than what your body is accustomed to
question
Resistance training intensity is usually measured by the
answer
amount of weight lifted
question
Exercise intensity is most closely related to
answer
how hard you exercise
question
The components of the FITT formula are
answer
frequency, intensity, time, type
question
Which of the following is a purpose of the exercise warm-up?
answer
increase muscle elasticity
question
Muscular strength is defined as the ability of your muscles to
answer
exert force
question
Men over 45 and women over 55 should obtain ________ before beginning an exercise program.
answer
permission from their doctor
question
Which of the following conditions would always require a medical clearance before exercising?
answer
diabetes
question
The ability of your muscles to contract repeatedly over time is known as
answer
muscular endurance
question
People who are underweight are at a higher risk for musculoskeletal injuries because of increased stress on their muscles and joints.
answer
false
question
Cardiorespiratory fitness is defined as the
answer
the ability of cardiovascular and respiratory systems to supply oxygen to muscles
question
The ventricles contract and pump blood out of the heart during the ________ phase of the heart cycle.
answer
systolic
question
The two major types of blood vessels are
answer
arteries and veins
question
The pressure that blood exerts on the walls of your blood vessels is known as
answer
blood pressure
question
The cellular form of energy is known as
answer
ATP
question
Creatine phosphate is stored in
answer
muscles
question
The three metabolic energy systems are
answer
immediate, oxidative, and non oxidative
question
Stored adenosine triphosphate (ATP) in the muscle is used in the ________ energy system.
answer
immediate
question
At what point after an activity has been initiated does the body switch energy sources from the immediate energy system to the anaerobic energy system?
answer
30 seconds
question
A byproduct of breaking down glucose for energy that may cause burning in the muscle is
answer
lactic acid
question
Short-term, high-intensity training, such as sprinting, is known as
answer
anaerobic training
question
Training that involves continuous activity sustained for 20 or more minutes is known as
answer
aerobic training
question
Which of the following would be considered an example of an aerobic activity?
answer
cycling
question
The stable, constant internal environment that our body maintains at rest is known as
answer
homeostasis
question
When you begin exercising
answer
cardiac output increases
question
Cellular structures where oxidative energy production takes place are known as
answer
mitochondria
question
Which of the following may occur as the result of cardiorespiratory training?
answer
improved oxygen delivery to the muscles
question
The improvements in oxygen delivery seen with training are a result of a(n)
answer
increase in hemoglobin
question
A protein that transports oxygen in blood is which of the following?
answer
hemoglobin
question
According to the American College of Sports Medicine the recommended frequency for cardiorespiratory exercise is
answer
3 to 5 days per week
question
When developing a training program for cardiorespiratory fitness, your intensity of exercise should be determined by
answer
your target heart rate
question
Studies have shown that exercise can reduce the symptoms of depression.
answer
true
question
When checking your pulse during exercise, you should measure your heart rate for 30 seconds.
answer
false
question
Your resting heart rate increases as your cardiorespiratory system becomes more conditioned.
answer
false
question
To prevent dehydration, it is recommended that you start drinking fluid approximately 30 minutes after beginning an activity.
answer
false
question
Muscular strength is defined as the ability
answer
of a muscle to contract with maximal force
question
Muscular endurance is defined as the ability
answer
to contract a muscle repeatedly over an extended period of time
question
Muscular strength is often measured by determining the maximum
answer
weight a person can lift at one time
question
Which of the following types of equipment can be used for resistance training?
answer
resistance bands
question
Which is true regarding the effect of weight training in women compared with men?
answer
women increase in strength and muscle endurance through strength training just as men
question
People who stop resistance training will see their muscles revert to pretraining strength and size, a condition known as
answer
atrophy
question
Loss of muscle mass and strength with aging is called
answer
sarcopenia
question
Which process accurately describes a change in body composition that occurs as a result of resistance training?
answer
fat cells decrease in size
question
When assessing muscular strength, a 1 RM test
answer
measures the maximum amount of weight that can be lifted at one time
question
Which is an advantage of using machine weights for resistance training instead of free weights?
answer
safe and less intimidating for beginners
question
When following a resistance-training program, it is important to let each muscle group rest for ________ before taxing it again with resistance exercises.
answer
48 hours
question
The root cause of delayed onset muscle soreness is
answer
micro damage to the muscles
question
Gains in muscular endurance are best developed with
answer
lower resistance and more repetitions
question
The "10 percent rule" states that you should
answer
you should not increase frequency, intensity, or time by more that 10% per week
question
Use of which of the following ergogenic aids is illegal without a medical prescription?
answer
anabolic steroids
question
Regular resistance training results in increased bulk for women.
answer
fasle
question
Resistance training is beneficial in preventing osteoporosis.
answer
true
question
Age-related muscle loss can be slowed with resistance training.
answer
true
question
A group of repetitions is called a set.
answer
true
question
The American College of Sports Medicine recommends 1-3 sets per resistance exercise for beginners.
answer
true
question
Flexibility is the ability of the joints to
answer
move through a full range of motion
question
Which of the following affects flexibility?
answer
activity level
question
If your flexibility is within "normal" levels and you simply want to maintain that level, how many days a week should you do your stretching exercises?
answer
2 days
question
When stretching, you should hold each stretch for at least
answer
10 seconds
question
The simplest method of stretching for people who are just starting a stretching program is ________ stretching.
answer
static stretching
question
Stretching that involves mimicking movements performed in a workout or sports activity is known as ________ stretching.
answer
dynamic
question
Stretching characterized by bouncing or jerky movements is known as ________ stretching.
answer
ballistic
question
At which age does flexibility peak?
answer
18
question
Which of the following is a good strategy for avoiding stretching-related injuries?
answer
stretching only after warming up muscles
question
Lack of flexibility can cause changes in posture.
answer
true
question
________ is defined as the relative amounts of lean and fat tissue in the human body.
answer
body composition
question
________ is defined as the body's total amount of fat-free tissue.
answer
lean body mass
question
The minimal amount of fat needed for normal physiological functions is defined as
answer
essential fat
question
Women need ________% essential fat for reproductive system-related fat deposits.
answer
12
question
A disease risk assessment using height and weight is
answer
BMI
question
People with android fat distribution carry more fat around their
answer
stomach
question
A person with gynoid pattern obesity would most likely carry excess body fat in which area?
answer
hip
question
Lean body mass is body weight minus fat.
answer
true
question
Storage fat is nonessential fat stored in tissue near the body's surface and around major body organs.
answer
true
question
Essential fat is needed for normal body functioning.
answer
true
question
Obesity does not increase a person's risk for death and disability.
answer
false
question
The percentage of overweight adults has decreased over the past 5 years.
answer
fasle
question
BMI incorporates height and weight to estimate weight classification.
answer
true
question
Gynoid obesity is seen in people who store fat in the abdominal area.
answer
false
question
Abdominal fat increases your risk for disease much more than fat on your calves.
answer
true
question
Chemical compounds that supply the energy and raw materials we need to survive are known as
answer
nutrients
question
A measure of the amount of chemical energy that a food provides is known as
answer
calorie
question
Essential nutrients
answer
can only be obtained by the diet
question
Subunits of protein molecules are known as
answer
amino acids
question
The glycemic index is a measure of the rate at which foods
answer
raise blood sugar levels
question
The fatty acids in most foods and in the body occur in the form of
answer
triglycerides
question
Fats that are solid at room temperature are
answer
saturated
question
When hydrogen atoms are added to an unsaturated oil to cause more complete saturation, it produces
answer
trans fat
question
Which of the following is high in trans fats?
answer
margarine
question
The "bad cholesterol," which leads to plaque deposits in blood vessels, is known as
answer
LDL
question
HDL cholesterol
answer
helps protect agains heart disease
question
Which of the following is a way to get more heart-healthy fat into the diet?
answer
cook with unsaturated oils
question
Organic compounds that we need in tiny amounts to promote growth and help maintain health are known as
answer
vitamins
question
A disease associated with low calcium intake is known as
answer
osteoporosis
question
The condition in which the body fails to produce enough hemoglobin in the blood is termed
answer
iron-defiency anemia
question
Which mineral is a component of hemoglobin?
answer
iron
question
Anemia results in
answer
low blood oxygen levels
question
Humans are made up of approximately ________% water.
answer
60
question
Oxygen derivatives that can cause the body damage are known as
answer
free radicals
question
The best sources of energy during exercise are
answer
carbohydrates
question
When body mass index (BMI) goes above ________, a person is considered to be more than 10% over recommended body weight.
answer
25
question
How many adult Americans are currently considered obese?
answer
two thirds
question
In the past 25 years, obesity rates for adolescents have
answer
more than tripled
question
Successful weight loss can be best accomplished by
answer
making small dietary changes over time
question
The relationship between the amount of calories consumed in food and the amount of calories expended through metabolism and physical activity is known as
answer
energy balance
question
According to the U.S. Department of Agriculture, Americans consume an average of approximately ________ calories more per day now than they did in 1970.
answer
500
question
Which lifestyle factor is related to weight gain?
answer
getting less than 6 hours of sleep
question
What percentage of Americans engages in no exercise, sports, or other physical activity at all during their leisure time?
answer
40%
question
Women have a tendency to burn fewer calories than men because of women's
answer
higher level of essential body fat
question
Which cancer is specifically linked to a high BMI?
answer
kidney cancer
question
Which of the following can be a component of metabolic syndrome?
answer
high blood pressure
question
Your friend is thinking about trying a fad diet to lose weight. Given the information in this chapter on problems associated with fad diets, you can inform her that
answer
unless she changes her eating habits permanently, she will regain the weight
question
A series of diets followed by eventual weight gain is known as
answer
yo-yo dieting
question
A disturbed pattern of eating, dieting, and perceptions of body image that leads to medical issues is known as
answer
an eating disorder
question
An eating disorder characterized by deliberate food restriction and severe, life-threatening weight loss is known as
answer
anorexia nervosa
question
An eating disorder characterized by bouts of binge eating followed by self-induced vomiting, laxative abuse, or excessive exercise is known as
answer
bulimia nervosa
question
A pre-programmed weight that your body returns to easily when you gain or lose a few pounds is known as
answer
a set point
question
The best method for burning calories is
answer
aerobic exercise involving large muscles
question
Current trends indicate that weight problems are decreasing in the college population.
answer
false
question
From a health standpoint, body weight is more important than body fat percentage.
answer
fasle
Get an explanation on any task
Get unstuck with the help of our AI assistant in seconds
New