The figure illustrates a cross section of the spinal cord. Which structure is indicated by "E"?
A. Dorsal root
B. Spinal nerve
C. Ventral root
D. Central canal
E. Dorsal root ganglion
Answer: D
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Answer the following statements true (T) or false (F)
1. The buffer system works because weak acids dissociate much less than do strong acids. 2. The end products of both aerobic and anaerobic catabolism of glucose can cause a drop in the blood pH. 3. Carbonic acid is a “fixed acid.” 4. Blood in the pulmonary artery has a higher pH than the blood in the pulmonary vein. 5. The kidneys can produce urine with a pH less than 5.
Acidosis is a pH lower than 7, whereas alkalosis is a pH higher than 7.
Answer the following statement true (T) or false (F)
____________ feedback mechanisms control the levels of most hormones in the blood by secretion, releasing, or inhibiting factors that affect hormone release
Fill in the blank(s) with correct word
All of the following are adjectives that describe smooth muscle EXCEPT ________
A) nonstriated B) multinucleate C) spindle-shaped D) involuntary