WGU C458 UNIT ONE PRACTICE
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT RATED A+
Q: Which specific organ is essential for training the body to recognize and
defend against unique external pathogens?
A: Thymus gland. ✔️✔️
Q: Which anatomical system serves as the primary external shield for the
human body?
A: Integumentary System. ✔️✔️
Q: Which two systems collaborate to ensure the body maintains a stable
internal temperature?
A: Integumentary System and Central Nervous System. ✔️✔️
Q: Which system is the primary regulator responsible for managing and
adjusting blood pressure?
A: Central Nervous System. ✔️✔️
Q: Which biological system is tasked with processing and controlling the
drives for hydration and nutrition?
A: Central Nervous System. ✔️✔️
What system regulates muscle coordination?
, Central Nervous System
When should conventional CPR be used?
For an adult who stops breathing and collapses
What are recommended ways to maintain proper oral hygiene?
Having dental checkups twice a year, brushing teeth after each meal, and using
fluoride toothpaste
What are some effects of aerobic exercise on cardio-respiratory fitness?
Enables more blood to be pumped with each stroke of the heart, increases the
number of capillaries in trained skeletal muscles, and increases the amount of
oxygen inhaled
Which of the following are common consequences of physical inactivity in our
society?
Increased incidence of childhood obesity, increased healthcare costs, and decreased
number of healthy years of life
Which sleep stage is also known as deep sleep and occurs in longer periods during
the first half of the night?
Stage 3
QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100%
CORRECT RATED A+
Q: Which specific organ is essential for training the body to recognize and
defend against unique external pathogens?
A: Thymus gland. ✔️✔️
Q: Which anatomical system serves as the primary external shield for the
human body?
A: Integumentary System. ✔️✔️
Q: Which two systems collaborate to ensure the body maintains a stable
internal temperature?
A: Integumentary System and Central Nervous System. ✔️✔️
Q: Which system is the primary regulator responsible for managing and
adjusting blood pressure?
A: Central Nervous System. ✔️✔️
Q: Which biological system is tasked with processing and controlling the
drives for hydration and nutrition?
A: Central Nervous System. ✔️✔️
What system regulates muscle coordination?
, Central Nervous System
When should conventional CPR be used?
For an adult who stops breathing and collapses
What are recommended ways to maintain proper oral hygiene?
Having dental checkups twice a year, brushing teeth after each meal, and using
fluoride toothpaste
What are some effects of aerobic exercise on cardio-respiratory fitness?
Enables more blood to be pumped with each stroke of the heart, increases the
number of capillaries in trained skeletal muscles, and increases the amount of
oxygen inhaled
Which of the following are common consequences of physical inactivity in our
society?
Increased incidence of childhood obesity, increased healthcare costs, and decreased
number of healthy years of life
Which sleep stage is also known as deep sleep and occurs in longer periods during
the first half of the night?
Stage 3
