Compared to the normal plasma osmolarity, the tubular fluid is ________ as it enters Bowman's space, ________ at the beginning of the loop of Henle, ________ at the tip of the loop, and ________ at the beginning of the distal convoluted tubule.
A. isosmotic; isosmotic; hyperosmotic; isosmotic
B. isosmotic; isosmotic; hyperosmotic; hypoosmotic
C. isosmotic; isosmotic; hypoosmotic; hypoosmotic
D. isosmotic; isosmotic; hypoosmotic; hyperosmotic
E. isosmotic; hyperosmotic; hyperosmotic; isosmotic
Answer: B
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Which of the following is not considered a weight-bearing bone?
A. The femur B. The tibia C. The fibula D. The talus E. The calcaneus
Which of the following statements best describes interstitial growth?
A) Growth occurs in the lining of the long bones. B) Fibroblasts give rise to chondrocytes that differentiate and form cartilage. C) Unspecialized cells from mesenchyme develop into chondrocytes, which divide and form cartilage. D) Chondrocytes in the lacunae divide and secrete matrix, allowing the cartilage to grow from within.
Compare and contrast Schwann cells and oligodendrocytes.
What will be an ideal response?
The part of the brain that helps regulate hydrogen ion concentrations is the ________ center.
Fill in the blank(s) with the appropriate word(s).