Lymphadenitis is
A. swelling due to excess tissue fluid.
B. cancer of lymphoid tissue.
C. swelling of lymph nodes due to infection.
D. infection of a lymphatic vessel.
Answer: C
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True or False? Whereas a 'plane' describes an imaginary flat surface, a 'section' describes a way to cut an organ.
Answer the following statement true (T) or false (F)
Which ganglia contain the cell bodies of the parasympathetic postganglionic neurons that serve the parotid salivary glands?
a) Ciliary ganglia b) Pterygopalatine ganglia c) Submandibular ganglia d) Otic ganglia e) None of these choices
The smooth muscle fibers of the media decrease the diameter of the blood vessel, in a process called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following criteria must be met for the heart to function efficiently?
a. Excitation and contraction of each heart chamber should be coordinated to ensure efficient pumping. b. The atria should be excited and contract before the onset of ventricular contraction to ensure that ventricular filling is complete. c. The right side of the heart should contract first to ensure that oxygenated blood is delivered to the heart before the left side contracts. d. Both a and b e. Both b and c