During days 6-13 of the uterine cycle, increased ______ production causes the endometrium to thicken and become vascular and glandular.
A) estrogen
B) progesterone
C) testosterone
D) prolactin
E) oxytocin
Answer: A) estrogen
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The ________ cardiac vein travels alongside the right marginal artery.
Fill in the blank(s) with the appropriate word(s).
Universal precautions are
A. specific measures that astronauts take in space to avoid leaving microorganisms beyond the Earth. B. specific measures that health-care workers should take to prevent transmission of bloodborne pathogens in the workplace. C. the careful administration of clotting factors to stop bleeding during surgery. D. rules used to avoid mismatched blood types in transfusions.
Which of the following chemicals is not present in bone?
A) calcium phosphate B) collagen fibers C) calcium carbonate D) chondroitin sulfate E) hydroxyapatite
Using Figure 11.2, match the following:
1) Ion channel.
2) Synaptic vesicles.
3) Calcium ions.
4) Postsynaptic membrane.
5) Synaptic cleft.