Sounds associated with the mitral valve can best be heard by listening with a stethoscope in the
A. second intercostal space, to the right of the sternum.
B. fifth intercostal space, to the left of the sternum, along the nipple line.
C. directly over the middle of the sternum.
D. fifth intercostal space, just to the right of the sternum.
E. second intercostal space, to the left of the sternum.
Answer: B
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Stephanie has her cancerous right breast removed, and the surgeon also removes lymph nodes in the axillary region to prevent spread of the cancer. As a result, Stephanie's right arm
A. receives too much blood and swells. B. loses tissue fluid. C. becomes edematous. D. loses its blood supply.
Extensions of the renal cortex that project into the medulla (and subdivide it) are known as the renal __________
Fill in the blank with correct word.
A hormone with an effect that lasts for days would have a
A) long half-life. B) no half-life. C) whole life. D) short half-life.
The temperature control center within the anterior region of the hypothalamus is activated by ____ and initiates reflexes that mediate ____
a. cold, heat production and heat conservation. b. cold, heat loss. c. warmth, heat loss. d. warmth, heat production and heat conservation. e. warmth, vasoconstriction.