White blood cells are produced in the
A. brain.
B. bone marrow.
C. heart.
D. gastrointestinal tract.
B. bone marrow.
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Which of the following therapeutic devices is used to treat ventricular fibrillation?
A) endarterectomy B) implantable cardioverter-defibrillator C) extracorporeal circulation D) pacemaker
B cells migrating directly from a primary focus to the medullary cords in a lymph node after activation with a T-dependent antigen differentiate into plasma cells that secrete predominantly _____
a. IgD b. IgE c. sIgA d. IgG e. IgM.
Obesity is associated with an increased risk of developing which of the following cancers?
A) colon B) rectal C) esophageal D) All of the answers are correct.
A well-balanced diet entails eating a variety of ____ foods and monitoring total daily caloric intake
A) ?soluble B) ?complex carbohydrate C) ?nutrient-dense D) ?protein-rich E) ?complementary