Q. What is the main function of the cardiovascular system?
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A.
To digest food
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B.
To transport blood and nutrients
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C.
To regulate body temperature
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D.
To produce hormones
Solution
The main function of the cardiovascular system is to transport blood, which carries nutrients, oxygen, and waste products throughout the body.
Correct Answer:
B
— To transport blood and nutrients
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Q. What is the primary function of the endocrine system?
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A.
To provide structural support
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B.
To transport oxygen
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C.
To secrete hormones
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D.
To facilitate movement
Solution
The primary function of the endocrine system is to secrete hormones that regulate various bodily functions.
Correct Answer:
C
— To secrete hormones
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Q. What is the primary role of the immune system?
-
A.
To transport oxygen
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B.
To protect against pathogens
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C.
To regulate metabolism
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D.
To maintain homeostasis
Solution
The primary role of the immune system is to protect the body against pathogens and foreign invaders.
Correct Answer:
B
— To protect against pathogens
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Q. Which mechanism is primarily responsible for regulating blood pH?
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A.
Respiratory regulation
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B.
Renal regulation
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C.
Buffer systems
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D.
All of the above
Solution
Blood pH is regulated by a combination of respiratory regulation, renal regulation, and buffer systems.
Correct Answer:
D
— All of the above
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Q. Which of the following is a function of the integumentary system?
-
A.
Protection
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B.
Temperature regulation
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C.
Sensation
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D.
All of the above
Solution
The integumentary system serves multiple functions including protection, temperature regulation, and sensation.
Correct Answer:
D
— All of the above
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