The youngest keratinocytes are found in the stratum basale.
Answer the following statement true (T) or false (F)
True
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Which of the following is not a function of blood?
A. Transports a variety of nutrients B. Helps to stabilize the pH of extracellular fluids C. Participates in the initiation of blood clotting D. Produces plasma hormones E. Helps to regulate body temperature
The largest bone of the pelvic girdle is the
A) ischium. B) sacrum. C) acetabulum. D) pubis. E) ilium.
Which term refers to the tail end of a four-legged animal?
A) caudal B) superior C) inferior D) cephalic
Match the cell type with its description.
1. These are the most abundant leukocyte; they are formed in the bone marrow. 2. Cytotoxic, these cells are associated with allergic reactions and parasitic infestations. Usually these cells are less than 3% of the leukocyte population, and only live up to 12 hours. 3. Precursors of macrophages, these cells are relatively rare in blood because they are actually in transit to some other site. 4. These cells are related to mast cells, and both release chemical mediators such as histamine and heparin, which aid in the immune response. 5. Estimated to reach populations of one trillion in normal adults, most of these cells reside in the lymphoid tissues of the body. These cells look quite similar to one another under the microscope, yet function very differently. A. lymphocytes B. neutrophils C. monocytes D. eosinophils E. basophils