Lymphoid organs differ from lymphoid tissues in what way?
A) They contain T lymphocytes and lymphoid tissues do not.
B) They are found in the digestive tract and lymphoid tissues are found in the thorax.
C) They are surrounded by a fibrous capsule and lymphoid tissues are not.
D) They cannot produce antibodies, whereas lymphoid tissues can.
E) None of the answers is correct.
Answer: C
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A. smoking B. calcium deficiency C. excessive caffeine consumption D. all of the above
The ________ muscles insert on the linea aspera.
Fill in the blank(s) with the appropriate word(s).
Osteoporosis is
A. bone inflammation that often results from bacterial infection. B. a group of genetic disorders producing very brittle bones that are easily fractured; this occurs because of insufficient collagen development. C. a disease in adults, especially women, characterized by a reduced amount of bone matrix. D. a disease in adults characterized by softening of bones resulting from calcium depletion. E. a disease in children characterized by soft, bowed, and swollen bones.
What would you expect a cardiologist to recommend if there was substantial occlusion to a patient's left coronary artery but not the right coronary artery?
A. Because there are multiple alternate paths for blood delivery, the cardiologist would not intervene. B. Because this is a relatively small, unimportant artery, the cardiologist would not intervene. C. Because occlusions require blood to be moved under greater pressure, the cardiologist would prescribe drugs to raise blood pressure. D. Because this is an important artery, and alternate vascular paths are inadequate, the cardiologist would treat the condition.