A venule becomes a vein when its diameter is greater than ________ micrometers.

A. 1
B. 10
C. 100
D. 1000


Answer: C

Anatomy & Physiology

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The integumentary system has many functions, one of which is

A. destruction of cancer cells. B. detection of heat and touch. C. prevention of albinism. D. regulation of acid-base balance. E. production of Vitamin E.

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The ________ is a connective tissue sheet that separates the cerebrum from the cerebellum.

Fill in the blank(s) with the appropriate word(s).

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Each I band in a skeletal muscle fiber includes

a. overlapping thin and thick filaments b. thick filaments and one Z disc c. thin filaments and one Z disc d. thin filaments and two Z discs e. actin, troponin, tropomyosin and two Z discs

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_____ is an autoimmune disorder. Select one:

a. SLE b. HIV c. AIDS d. HLA

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