Learning 100 Questions with Correct Answers & Expert Rationales 2026
Edition
This practice exam contains 100 questions designed to help you
prepare for the BIOD 121 Module 5 Exam at Portage Learning.
Questions cover physical fitness, exercise physiology, energy
production, weight management, body composition, hydration,
and related nutrition concepts. Each question includes the Correct
Answer and a detailed Expert Rationale.
SECTION A: Physical Fitness & Exercise Benefits (Questions
1–20)
Question 1
Physical fitness is best defined as the ability to:
A) Lift heavy weights in a gym setting
B) Perform moderate to vigorous activity without excess fatigue
C) Run a marathon in under four hours
D) Maintain a low body fat percentage year-round
Correct Answer: B
,Expert Rationale: Physical fitness relates to the overall capacity
for daily tasks and recreational activities without undue
exhaustion. It is not limited to weightlifting, marathon running, or
body composition alone, though those can be components of
fitness.
Question 2
Which of the following is NOT a benefit of regular physical
activity?
A) Improved cardiovascular function
B) Increased body fat percentage
C) Reduced stress and anxiety
D) Better blood glucose control
Correct Answer: B
Expert Rationale: Regular physical activity promotes weight loss
or maintenance and reduces body fat. It improves heart health,
lowers stress, and enhances insulin sensitivity. Increasing body
fat is an outcome of a sedentary lifestyle, not of exercise.
Question 3
Benefits of exercise include all of the following EXCEPT:
, A) Increased utilization of fat for muscle fuel
B) Increased cardiovascular function
C) Reduced stress
D) Increased risk of heart disease
Correct Answer: D
Expert Rationale: Benefits of exercise include increased
utilization of fat for muscle fuel, increased cardiovascular
function, reduced stress, lower blood pressure, and weight
loss/control. Regular exercise decreases the risk of heart disease.
Question 4
The Healthy People initiative is a government-sponsored program
designed to:
A) Regulate food labeling only
B) Improve the nation's health
C) Provide food assistance to low-income families
D) Regulate dietary supplements
Correct Answer: B
Expert Rationale: The Healthy People initiative is a government-
sponsored program designed to improve the nation's health.