A woman had a mastectomy that included the removal of axillary lymph nodes on her left side. What can she expect regarding her left arm and why?
What will be an ideal response?
Removal of the axillary lymph nodes results in severe localized edema because the lymphatic vessels are also lost. She can expect chronic edema along the arm, although some lymphatic drainage is eventually reestablished by regrowth of the vessels.
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Cardiac muscle cells tend to be thicker and shorter than skeletal muscle cells
Indicate whether this statement is true or false.
Neurons of the thalamus that are part of sensory conduction pathways are considered
A. primary neurons. B. secondary neurons. C. tertiary neurons. D. quaternary neurons.
Under which set of circumstances would the diameter of peripheral blood vessels be the greatest?
A) decreased parasympathetic stimulation B) increased sympathetic stimulation C) both increased parasympathetic and increased sympathetic stimulation D) decreased sympathetic stimulation E) increased parasympathetic stimulation
Which of the following is NOT an action of aldosterone secretion?
A. Stimulates kidneys to retain Na+ B. Raises blood glucose levels C. An increase in blood volume and pressure D. Causes loss of K+ in urine