The part of the nephron that secretes hydrogen ions into the urine is the:
a. proximal tubule
b. loop of Henle
c. distal tubule
d. collecting tubule
c. distal tubule
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Match each item with the correct term.
A. porta hepatis B. ileum C. peritoneum D. crus E. inferior mesenteric vein (IMV) F. caval hiatus G. falciform ligament H. suprarenals I. celiac axis J. jejunum
What is the effect of a buffer on a solution?
A) Buffer systems allow the blood to become too basic. B) Buffer systems allow hydrogen ions to accumulate in blood until acidosis is reached. C) Buffer systems cause the blood pH to increase, then to decrease dramatically. D) Buffer systems resist changes in blood pH.
Which of the following statements is true?
A. The adult vertebral column has three curvatures. B. Lordosis is an exaggeration of the cervical curvature. C. An exaggerated thoracic curvature of the vertebral column is called kyphosis. D. Scoliosis is the term applied to normal curvature of the spine. E. The cervical curve develops before birth.
Which of the following is not one of the major components of a cell?
A. Cytoplasm B. Nucleus C. Interstitial fluid D. Plasma membrane