An elderly man with prostatic hypertrophy returns to his urologist with another case of epididymitis. An acute infection involving the dartos muscle layer of the scrotum most likely leads to an enlargement of which of the following lymph nodes?
(A) Preaortic nodes
(B) Lumbar nodes
(C) External iliac nodes
(D) Superficial inguinal nodes
(E) Common iliac nodes
Ans: (D) Superficial inguinal nodes
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Ashton was in a car accident and experienced severe blood loss. All of the following are potential outcomes of blood loss EXCEPT ________.
A. decrease in blood volume B. increased blood pressure C. vasoconstriction D. renal failure
Macrophages are the converted monocytes that phagocytize bacteria, cell fragments, dead cells, and debris
Indicate whether this statement is true or false.
Generally, the shape of a nucleus mirrors the shape of the cell within which it is found.
Answer the following statement true (T) or false (F)
The first step in a B-cell's defense against a microorganism is to ________.
A. recognize the antigen B. secret antibodies C. bind to the antigen D. undergo mitosis