If the bone marrow is damaged, what organ can perform extramedullary hematopoiesis?   A. Thymus  B. Small intestine   C. Spleen   D. Tonsils

Which of the following patients would best be treated by a rheumatologist? A    Sophie has Sjogren's syndrome, a disease in which the immune system attacks the moisture-producing cells in her body. B    Last week, Sergei had a severe allergic reaction to a bee sting. C    Renada just learned she contracted HIV from a blood transfusion. D    Alejandro wants a second opinion of his treatment options after he was diagnosed with lymphoma.

B cells are responsible for which conditions?a. asthma b. anaphylaxis c. tuberculin reactions d. both a and b

An elderly client with heart failure comes to the emergency room because of nausea, vomiting, and anorexia. Based on the client's signs and symptoms, which data from the medical history has the most significance when planning this client's care? A. Coronary artery bypass procedure was performed in 1995. B. Colonoscopy performed for routine screening six months ago. C. Digoxin and furosemide daily since 1996. D. Suffered with depression following death of spouse in 1999.