A pediatric surgeon has resected a structure that is a fibrous remnant of an embryonic or fetal artery in a 5-year-old child. Which of the following structures is most likely to be divided?
(A) Lateral umbilical fold
(B) Medial umbilical fold
(C) Median umbilical fold
(D) Ligamentum teres hepatis
(E) Ligamentum venosum
Ans: (B) Medial umbilical fold
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The combination of extracellular fibers and ground substance in supporting connective tissues is known as
A) proteoglycan. B) lymph. C) plasma. D) collagen. E) matrix.
Compare a stenotic and insufficient valve
What will be an ideal response?
This nerve, commonly called the "funny bone," passes behind the medial epicondyle of the humerus; it is the
A) axillary nerve. B) median nerve. C) musculocutaneous nerve. D) radial nerve. E) ulnar nerve.
Quiet inspiration will ________ thoracic and lung volume and ________ intrapulmonary pressure.
A. decrease; decrease B. decrease; increase C. increase; decrease D. increase; increase