Which of the following statements concerning oogenesis is false?
A) Oogenesis begins before birth.
B) Ova develop from stem cells called oogonia.
C) An ovum completes its last meiosis after it is fertilized.
D) About half the oogonia complete mitosis between birth and puberty.
E) By the time of their birth, girls have already lost about the majority of their oocytes.
D
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In fibrous joints, the articulating surfaces are held together by
A. dense regular connective tissue. B. areolar connective tissue. C. dense irregular connective tissue. D. fibrocartilage. E. articular cartilage.
A fracture of the distal end of the radius is a ________ fracture.
Fill in the blank(s) with the appropriate word(s).
87. Most of the fixed acid in our body comes from
A. the oxygen we breathe. B. acid absorbed from the GI tract. C. loss of bicarbonate in feces. D. lactic acid from muscle.
What muscle forms the lips?
A. Orbicularis oculi muscle B. Buccinator muscle C. Orbicularis oris muscle D. Labial frenulum muscle