The two major cavities of the body are the:
a. dorsal and ventral
b. thoracic and abdominal
c. pleural and mediastinum
d. none of the above
a. dorsal and ventral
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The nail plate is produced by
A. melanocytes. B. specialized epithelial cells. C. bone cells. D. fibroblasts.
Mary is tested for the amount of hemoglobin in her blood. The test results indicate that her hemoglobin level is 16 g/dL of blood. This value indicates that
A) she is suffering from anemia. B) she has fewer red blood cells than normal. C) her hematocrit is probably lower than normal. D) she may be suffering from a form of leukemia. E) her hemoglobin level is normal.
Ions with a + charge are called
A) cations. B) anions. C) radicals. D) positrons. E) isotopes.
If you stepped in a hole in the yard and sprained your ankle, you have
A. fractured the fibula. B. fractured the tibia. C. torn a ligament of the ankle. D. torn cartilage on the talus bone. E. fractured the calcaneous.