Electromyography is a diagnostic test used to assess how the muscle responds to what?
A. Heat
B. Electric stimuli
C. Cold
D. Pressure
Answer: B
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Embryonic stem cells are said to be __________. That is, they have the ability to develop into any type of adult cell.
Fill in the blank(s) with the appropriate word(s).
Cytotoxic T cells ________.
A) are the only T cells that can directly attack and kill other cells B) require the double recognition signal of I MHC plus II MHC on the target cell in order to function C) function mainly to stimulate the proliferation of other T cell populations D) self-destruct once the antigen has been neutralized
A fibrous __________ surrounds each kidney, protecting it from trauma and infection.
Fill in the blank(s) with the appropriate word(s).
What structures enter and exit the kidney at the hilum?
A) the renal artery and ureter enter; the renal vein and the urethra exit at the hilum B) the renal vein and urethra enter; the renal artery and ureter exit at the hilum C) the renal artery and renal nerves enter; the renal vein and ureter exit at the hilum D) the renal artery and vein enter; the renal nerves exit at the hilum E) the renal artery and renal nerves enter; the renal vein and urethra exit at the hilum