Labor progresses through the following three stages:
A) dilation, effacing, and placental stages. B) duration, expansion, and placental stages.
C) dilation, expansion, and pushing stages. D) dilation, expulsion, and placental stages.
Answer: D
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Which is not a function of the kidneys?
A. Regulation of blood pressure B. Removal of wastes from the blood C. Regulation of erythrocyte production D. Regulation of lymphocyte production E. Regulation of acid-base balance
Unicellular organisms rely on the process of __________ to transport substances throughout the body
Fill in the blank with the correct word.
A respiratory bronchiole can be distinguished from a terminal bronchiole by ________
A) the loss of cartilage rings that are seen in the terminal bronchioles B) the total loss of smooth muscle in its walls C) the absence of an epithelium lining it D) the alveoli that first appear on the respiratory bronchioles
A bond created from the sharing of electrons between two atoms is a(n) ________ bond.
A. ionic B. covalent C. hydrogen D. metallic