BIOL250 EXAM 1(Questions And Answers)LATEST

BIOL250 EXAM 1.
Humans have the most urgent need for a continuous supply of .

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A. oxygen

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B. water

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C. food

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D. a controlled temperature

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E. nitrogen



Feedback: Without oxygen, humans can only live for a few minutes. They can live for longer
periods of time without the other basic needs.

Question 2 of 50
2..0 Points
Which of the following statements is true?

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A. Human anatomy is the scientific study of the body’s structures.

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B. Gross anatomy is the study of the larger structures of the body.

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C. C. Microscopic anatomy is the study of structures that can be observed only with
the use of a microscope or other magnification devices.

• D. Human physiology is the scientific study of the chemistry and physics of the
structures of the body and how they work together to support the functions of life.
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E. All of the above statements are true.

,cell (plasma) membrane. Which of the following are found inside the cell membrane?

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, A. cilia

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B. blood

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C. cellular fluids

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D. organelles

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E. Both C and D are correct.



Feedback: Good work; your answer is correct!

Question 4 of 50
2..0 Points
If some condition of the body needs to be returned to its “set point”, i.e. homeostasis, then a(n)
feedback loop comes into play.



A. positive

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B. outside

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C. negative

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D. continuous

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E. reversed



Feedback: Good work; your answer is correct!

Question 5 of 50
2..0 Points
The body system responsible for structural support and movement is the .