The characteristic yellow color of urine is attributed to the presence of
A) urobilinogen.
B) bile.
C) uric acid.
D) urea.
E) renin.
A) urobilinogen.
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Match the glial cell to the nervous system division in which it is found.
1. Schwann cells 2. oligodendrocytes 3. microglia 4. satellite cells 5. ependymal cells 6. astrocytes A. central nervous system B. peripheral nervous system
The spaces in spongy bone of an adult's proximal epiphyses of humerus and femur are filled with ________.
A. red bone marrow B. yellow bone marrow C. hyaline cartilage D. compact bone
Cardiac output can be increased by all of the following except
A) decreasing ejection fraction. B) decreasing end-systolic volume. C) increasing stroke volume. D) increasing ejection fraction. E) increasing heart rate.
Which of the rami is much smaller than the other?
A. The posterior ramus B. The anterior ramus