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NS 1410 Exam 4 – Questions & Detailed Answers
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NS 1410 Exam 4 – Questions & Detailed Answers
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NS 1410 Exam 4 – Questions & Detailed AnswersPhysical Activity Right Ans - an muscle movement that increases energy
expenditure
Leisure-time physical activity Right Ans - any activity unrelated to a
person's occupation
Flexibility Right Ans - capacity of joints to move through a full range of
motion
Musculoskeletal fitness and endurance Right Ans - the ability of a muscle to
contract repeatedly without becoming exhausted
Strength Right Ans - the ability of muscles to work against resistance
Cardiorespiratory fitness Right Ans - the ability of the CV system and lungs
to sustain effort over time
Body composition Right Ans - amount of bone, muscle, and fat tissue in the
body
Aerobic exercise Right Ans - exercise that involves the repetitive
movement of large muscle groups, increasing the body's use of oxygen and
promoting cardiovascular health
Resistance Training Right Ans - exercise in which our muscles act against
resistance
Stretching Right Ans - exercise in which muscles are gently lengthened
using slow, controlled movements
Regular physical activity reduces the risk of Right Ans - heart disease,
osteoporosis, colon cancer, stroke, and high blood pressure
Heart disease, stroke, and high blood pressure increase Right Ans - HDL
Obesity maintains Right Ans - lean body mass
,Type 2 diabetes Right Ans - enhances the action of insulin
Benefits of physical activity Right Ans - improves sleep patterns
improves immune functions
reduces anxiety, stress, and depression
Nearly half (48%) of the US adults do NOT get sufficient Right Ans -
physical activity
How much percent of adults admit to doing no leisure physical activity
Right Ans - 23
How much percent of high school kids admit to doing no physical activity
Right Ans - 24% girls
35% boys
The US Dept. of Heath Services developed the 2008 physical activity
guidelines for Americans, which state: Right Ans - Inactivity should be
avoided
For substantial health benefits, adults should do a minimum of: 150min
moderate or 75min intense
For more extensive health benefits, adults should increase their aerobic
activity level
Adults should participate in muscle strengthening activities that are moderate
or vigorous 2 days/week
A sound physical fitness program Right Ans - Meets your personal goals
Is fun
Includes variety and consistency
Appropriately overloads the body
Includes a warm-up and cool-down period
A sound physical fitness program appropriately Right Ans - overloads the
body
Overload principle Right Ans - additional physical demands of the body to
improve fitness (too much exertions not recommended)
, The FITT principle can be used to determine Right Ans - appropriate
overload
A sound physical fitness program includes a Right Ans - warm up and cool-
down period (5-10min)
Warm up exercises prepare the muscles for exertion by Right Ans -
increasing blood flow and temperature
Cool down Right Ans - prevents injuries and reduces muscle soreness
Calculating Maximum heart rate Right Ans - 220-your age
Adenosine Triphosphate (ATP) Right Ans - the common currency of energy
for virtually all cells in the body
ATP must be generates continuously since muscles store only enough ATP for
Right Ans - 1-3 seconds of activity
After creatine phosphate, ________ is the next source of energy for ATP
production Right Ans - glucose
Glucose provides ATP through Right Ans - glycolysis
The most common source of glucose during exercise is Right Ans - muscle
glycogen and blood glucose
Glycogen stores are Right Ans - limited
Primary end product of glycolysis is Right Ans - pyruvate
With _____, pyruvate is converted to lactic acid, by-product of intense activity
Right Ans - limited oxygen
Excess lactic acid goes back to the liver to be converted back to glucose via the
Right Ans - Cori Cycle
Carbohydrates are mostly used for Right Ans - high-intensity activity
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