Each segment of lung tissue is divided into a number of ____ wrapped in elastic connective tissue with a lymphatic, an arteriole, a venule, and bronchioles from a terminal bronchiole
a. alveolus
b. meatus
c. septa
d. lobules
Ans: d. lobules
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Which of the following is the standard unit of measurement that describes the energy of dietary items?
A) Joules B) Moles C) B.T.U. D) °C
The hyoid bone is unique because it ________
A) is composed of three bones joined together B) is the only bone of the body that does not articulate with any other bone C) is the only irregular bone found in the neck D) is the only bone formed by the fusion of right and left halves
An increase in plasma levels of ________ causes a yellowish appearance of the skin and the whites of the eyes. This condition is called ________.
A) biliverdin : jaundice B) bilirubin : renal anemia C) bile : pernicious anemia D) bilirubin : jaundice E) bilirubin : hemostasis
The normal level at which a physiological variable is maintained is known as its
A. control center. B. set point. C. effector. D. negative feedback. E. stimulus.