Which segment of the nephron is solely involved in the reabsorption of water and sodium and chloride ions?
A) glomerular capsule
B) proximal convoluted tubule
C) nephron loop
D) distal convoluted tubule
E) collecting duct
Answer: C
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__________ is the slow wave of contraction that progresses down the GI tract to push food along its length
Fill in the blank with the correct word.
Which of the following body compartments is correctly matched with its location in the
body? A) transcellular - between the lipid layers of cell membranes B) extracellular - fluid in cells C) intracellular - all fluids outside cells D) extracellular - fluid in tissue spaces, blood vessels, and lymphatic vessels
Solution 1 has a higher concentration of NaCl than solution 2 . A membrane permeable only to Na+ and water separates the two membranes. Which of the following is true?
a. Na+ will diffuse into solution 2 until the two solutions become isotonic. b. Solution 2 has a higher osmolarity. c. A membrane potential will develop, with the negative side being in solution 1. d. Solution 2 will gain water from solution 1. e. Eventually, solution 2 will contain only Na+ and solution 1 will contain only Cl-
Of the following muscles types, which one has long, cylindrical-shaped cells?
A) skeletal muscle B) cardiac muscle C) smooth muscle D) all are about the same