In utero, the fetus is nourished by the ________
A) Umbilical cord B) Placenta
C) Amniotic fluid D) Amnion
B
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As a result of a stomach virus, Melly has been vomiting and has not been able to keep her meals down. Her doctor discovers that waste is moving too quickly through her large intestine. Which of the following conditions does Melly have?
A. Diarrhea B. Constipation C. Vitamin deficiency D. Nonfunctioning colon
Most of the preganglionic fibers of the sympathetic nervous system travel to the __________ ganglia.
Fill in the blank(s) with the appropriate word(s).
Your lab microscope is parfocal. This means that __________.
a. you can easily discriminate two close objects as separate b. the specimen is clearly in focus at this depth c. the slide should be almost in focus when changing to higher magnifications. d. all of the above
Activated B cells differentiate into:
A) effector cells and memory T cells. B) plasma cells and effector cells. C) plasma cells and memory B cells. D) antibodies and memory B cells.