You examine a patient in the emergency department following a bee sting to the bridge of her nose. Both of the patient's eyes are swollen shut because:
A) the sting interfered with the nerve that raises the eyelid.
B) the sting blocked lymph drainage from the region.
C) the face is characterized by very cutaneous veins that ruptured from the sting.
D) the face is characterized by very cutaneous arteries that ruptured from the sting.
E) the face is characterized by very loose subcutaneous connective tissue that allows accumulation of excessive fluid with inflammation.
Ans: E
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The primary kind of motility in the stomach during digestion of a meal is
A. regurgitation. B. segmentation. C. peristalsis. D. relaxation of the pyloric sphincter. E. mass movement.
The nervous system performs the same general function as the:
a. endocrine system b. immune system c. muscular system d. lymphatic system
The ridge found at the bifurcation of the trachea is called the
A) root of the lung. B) carina. C) extrapulmonary ridge. D) trachealis. E) hilum.
A direct connection between arteries is called a/an ________.
A. sulcus B. anastamosis C. auricle D. sinus