The ________ nervous system signals blood vessels to constrict.

A. parasympathetic
B. central
C. sympathetic
D. peripheral


Answer: C

Anatomy & Physiology

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Which of the following components is not one of the formed elements in blood?

a) Erythrocytes b) Plasma c) Platelets d) Leukocytes

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The building blocks that form the DNA double helix are called

A. nuclear pores. B. steroid bases. C. nucleotides. D. nitrogenous acids. E. nucleoli.

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Signs and symptoms of inflammation include all of the following EXCEPT ________.

A. cold B. pain C. swelling D. redness

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Shafts of hair are composed of

A) dead dermal cells. B) dead epidermal cells. C) living dermal cells. D) living epidermal cells.

Anatomy & Physiology