The trophoblast is located at the
A. center of the morula.
B. center of the blastocyst.
C. periphery of the blastocyst.
D. center of the embryoblast.
E. periphery of the morula.
Answer: C
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You suspect that your patient's vitamin B deficiency is related to poor function in his large intestine. Which of the following might explain the source of the problem?
A. Lack of appropriate bacteria B. Inadequate water reabsorption C. Inefficient elimination of wastes D. Excessive absorption of glycerol
Which statement is true regarding the abdominopelvic regions?
A) The bulk of the liver is found within the left hypochondriac region. B) Directly inferior to the umbilical region is the inguinal region. C) The small intestine is located in the bottom three regions only. D) The hypogastric region is where the stomach is located. E) The hypochondriac regions are superior to the lumbar regions.
In addition to capillaries and nerves, each villus contains a terminal lymphatic called a(n) ________.
What will be an ideal response?
Whole muscle tension depends on all of the following except
a. number of muscle fibers contracting b. tension produced by each contracting fiber c. extent of motor-unit recruitment d. frequency of stimulation e. the proportion of each motor unit used at any given time