Which of the following bone belongs to the axial skeleton and is a flat bone?
A) vertebrae B) scapula C) coxal (pelvic) bone D) sternum
Answer: D
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Phagocytic cells of the alveolus are the
A. squamous alveolar cells. B. alveolar macrophages. C. septal cells. D. alveolar type II cells. E. alveolar type I cells.
Blood pressure is highest in which of the following vessels?
A. Capillaries B. Distributing arteries C. Conducting arteries D. Venules E. Large veins
Case study:You have just admitted Mary Roberts, a 70-year-old woman, to the hospital for GI bleeding. Her blood pressure is 130/80, pulse 80/min and irregular, respirations 18/min, and temperature 99.2. Mrs. Roberts denies pain at this time, although she appears anxious and very pale. Her medical history includes lung cancer that was diagnosed two weeks ago, peptic ulcer disease with reflux esophagitis, and "fluid retention." Admission lab work shows a plasma Na+ of 152 mEq/L and K+ of 2.8 mEq/L.The K+ level of 2.8 mEq/L indicates hypokalemia. Low plasma K+ levels will cause ________.
A. muscle weakness B. paralysis C. thirst D. tremors, tetany, and convulsions E. increased body temperature
The mechanism that establishes the medullary osmotic gradient depends most on the permeability properties of the ________
A) collecting duct B) glomerular filtration membrane C) nephron loop D) distal convoluted tubule