A bone marrow study is used to diagnose:
A) adenocarcinoma.
B) osteosarcoma.
C) leukemia.
D) Hodgkin disease.
C
Explanation: C) Correct. A bone marrow study detects the presence of leukemia.
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Multiple myeloma involves the unregulated proliferation of an antibody-producing plasma cell (myeloma cell) independently of antigen stimulation or T-cell help
Myeloma cells populate multiple sites in the bone marrow, where they produce immense quantities of monoclonal immunoglobulin as well as suppressing normal marrow function. Myeloma cells also synthesize and secrete excessive amounts of free light chains (known as Bence-Jones protein), which, because of their low molecular weight (~25 kDa) are excreted as free light chains in the urine. In a given patient the free light chains are both monoclonal and all are of either the ? or the ? type. A. Explain both of these observations. B. Why do you think patients with multiple myeloma are more susceptible than normal to pyogenic infections, such as pneumonia caused by Streptococcus pneumoniae or Haemophilus influenzae?
Single-celled organisms called ________ can be found in almost all environments and can inhabit the human body harmlessly or helpfully.
Fill in the blank(s) with the appropriate word(s).
Choose the correctly spelled medical term that refers to an inflammation of the renal pelvis.
A. Pulitis B. Pyelitis C. Pilitis D. Phylitis E. Pylitis
The National Institute for Occupational Safety and Health has set guidelines for the preparation and handling of
A) intravenous drugs B) hazardous drugs C) biotechnology drugs D) ancillary drugs