The cervical and lumbar curvatures are ________ curves, and they arch ________.
A. primary; posteriorly
B. secondary; posteriorly
C. secondary; anteriorly
D. primary; anteriorly
Answer: C
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Gonadotropin releasing hormone stimulates release of which of the following from the anterior pituitary?
a. sex hormones b. follicle stimulating hormone c. luteinizing hormone d. both follicle stimulating hormone and luteinizing hormone
In the blastocyst, the trophoblast will become ________, whereas the embryoblast will become ________
A) part of the placenta; the yolk sac B) part of the placenta; the embryo C) the embryo; the yolk sac D) the embryo; part of the placenta E) the yolk sac; the embryo
Free phagocytes found in the air sacs of the lungs are called
A) alveolar macrophages. B) histiocytes. C) Kupffer cells. D) pleurocytes. E) microglia.
Many (10-25) antral follicles begin the process of development but only one will usually progress to the point of ovulation
Indicate whether the statement is true or false.