Labor involves three stages and is triggered by the release of the hormone ________.

A. progesterone
B. estrogen
C. testosterone
D. oxytocin


Answer: D

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The brain and the spinal cord are referred to together as the:

A. peripheral nervous system. B. central nervous system. C. somatic nervous system. D. automatic nervous system.

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Which form of lumber includes boards, dimension lumber, and timbers?

A) Solid lumber B) Panels C) Laminated members D) Manufactured components

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Which of the following factors related to bone growth and maintenance is responsible for mineral storage and utilization?

a. exercise b. heredity c. hormonal d. nutrition

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Ion-selective electrodes are especially useful for measuring electrolyte levels.

Answer the following statement true (T) or false (F)

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