wellness midterm
Which nutrient is the body's most concentrated energy source?
fat
Which factors contribute to exercise volume?
frequency, intensity and duration
Which hormone, produced primarily in the stomach, stimulates appetite?
ghrelin
Studies have shown that vitamin C may offer benefits against heart disease, cancer, and cataracts.
true
Vitamins, minerals, and water are the fuel nutrients for the body.
true
For most meals, the MyPlate guidelines suggest that ____ of the plate should be taken up by fruits, vegetables, and grains.
two-thirds
According to the CHD risk analysis, which factor appears to be the best predictor for developing coronary heart disease?
unhealthy diet
Most highly trained athletes have a resting heart rate around ____ beats per minute.
40
Generally speaking, a vigorous exercise programs entails an intensity level above ____ percent of maximal capacity.
60
Each gram of fat provides ____ calories, which are more than twice the calories of a gram of carbohydrate or protein.
9
Which total cholesterol level is associated with high risk for heart disease?
240 mg/dL
One pound of fat is the equivalent of ____ calories.
3500
During weight lifting, which system provides the necessary energy?
ATP-CP
Which medical condition is most associated with an abnormal cholesterol profile?
artherosclerosis
The single most important component of health-related physical fitness for the general population, except for older adults, is ____.
cardiorespiratory endurance
Which measure applies to how effectively the pulmonary, cardiovascular, and muscular systems work together during aerobic activities?
cardiorespiratory endurance
The leading cause of cardiac arrest is ____.
coronary heart disease
HDLs tend to release cholesterol, which may penetrate the lining of arteries and speed up the process of atherosclerosis.
false
Narrowing of the coronary arteries accelerates the blood supply to the heart muscle, which can precipitate a heart attack.
false
During prolonged exercise, glycogen is broken down into ____, which then is readily available to the muscles for energy production
glucose
What component of red blood cells transports oxygen in the blood?
hemoglobin
With respect to aerobic exercise, the more you exercise the ____.
higher your HDL cholesterol
Hypertension, chronic low back pain, and obesity are examples of which type of disease?
hypokenetic
Which hormone, produced by fat cells, lets the brain known when you are full?
leptin
Which blood component(s) tend(s) to release cholesterol that then penetrates the lining of arteries and speeds up the process of atherosclerosis?
low-density lipoproteins
Which function does soluble fiber serve?
lowers blood cholesterol
The regulatory nutrients include ____.
minerals and water
As an example of cardiovascular disease, peripheral vascular disease is a(n) ____.
narrowing of the peripheral blood vessels
Complete proteins contain all the essential amino acids and are typically ____.
of animal origin
The most important determinant of coronary heart disease is ____.
personal lifestyle
Which term refers to an epidemic of physical inactivity in the United States?
sedentary death syndrome
The amount of blood ejected with each beat of the heart is known as ____.
stroke volume
Good nutrition means that a person's diet ____.
supplies all essential nutrients
What is a function of HDLs during reverse cholesterol transport?
they prevent arterial plaque formation
Which function applies to lipoproteins?
transports fat in the blood
According to the Centers for Disease Control and Prevention, about 60 percent of deaths from heart disease are sudden and unexpected.
true
Excess glucose in the blood is converted to fat and stored in adipose tissue.
true
For muscles to develop, they have to be overloaded to a given point.
true
Increased fiber intake decreases the risk for coronary heart disease.
true
Normal heart rate ranges from about 40 beats per minute during resting conditions in trained athletes to 200 beats per minute or higher during maximal exercise.
true
