KNH 188 Exam 1 Practice Questions
with Correct Answers Physical Activity
and Health 2025
What are the 5 pillars of public health? -Correct Answer ✔1. epidemiology
2. environmental health
3. health promotion/education
4. health administration/policy
5. biostatistics
What is public health? -Correct Answer ✔health of a population as a *whole*
What is chronic disease? -Correct Answer ✔illness/disease that persists over time (ex.
coronary artery disease, cancer, diabetes)
What is Epidemiology? -Correct Answer ✔studying the causes and effects of diseases
in order to reduce risk factors
What is Kinesiology? -Correct Answer ✔1. exercise physiology
2. movement science
3. sports and exercise psychology
London Bus Conductors & Postal Workers -Correct Answer ✔Dr. Jeremy Morris:
-studied heart disease and inactivity with london bus drivers and postal workers
-found that postal workers have reduced risk of heart disease
Who is Dr. Ralph Paffenbarger? -Correct Answer ✔-student of Dr. Morris
-furthered Morris' study by determining how much activity is necessary to reduce risk of
heart disease
Who is Dr. Steven Blair? -Correct Answer ✔-conducted *Aerobic Longitudinal Study*
-"the more inactive you are, the higher your risk of death"
What is Physical Activity? -Correct Answer ✔any physical movement that increases
energy expenditure above resting
What are the benefits of activity? -Correct Answer ✔5,000 steps per day = heart health
10,000 steps per day = manage weight
What does FITT stand for? -Correct Answer ✔Frequency: how often
Intensity: how hard
Time (duration): how long
KNH 188
, KNH 188
Type: mode
What are the exercise principles? -Correct Answer ✔-progressive overload: gradual
increase of demand on muscles
-specificity of training:
making adaptations to to a specific group of muscles/muscle systems
-variability: mix up workouts to avoid burnout
-reversibility: what you don't use you lose
What is cardiovascular endurance? -Correct Answer ✔cardio-respiratory-vascular-
muscular endurance
(heart-lungs-blood vessels-muscles)
What is caloric expenditure? -Correct Answer ✔how many calories you burn
What is gross energy expenditure? -Correct Answer ✔the number of calories burned
during activity combines with number of calories burned at rest
What is net energy expenditure? -Correct Answer ✔calories burned during
exercise/activity
What is Metabolic Equivalent (MET)? -Correct Answer ✔measurement of how much
oxygen and energy your body uses at rest
What is accumulation? -Correct Answer ✔how much activity you can accumulate over
the course of a day
What is dose response? -Correct Answer ✔how much exercise is needed to benefit
your health/body
What is Aerobic Metabolism? -Correct Answer ✔Muscles cannot contract repeatedly
without:
-Oxygen - provided by the CV system
-Energy - provided by food (CHO and fat)
What is VO2? -Correct Answer ✔the amount of O2 the body can take in and use for
work (mL/kg/min)
What is heart rate? -Correct Answer ✔how many times your heat beats (min)
What is stroke volume? -Correct Answer ✔amount of blood pumped by the heart per
heart beat
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