Contractions in uterine smooth muscle during labor are initiated by

A) LH.
B) estrogen.
C) oxytocin.
D) prolactin.


Answer: C

Biology & Microbiology

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Azolla filiculoides is a small aquatic fern that is typically 1-2 cm tall. How would a botanist distinguish it from a bryophyte?  

A.  It produces seeds. B.  It has xylem tissue. C.  It has a gametophyte. D.  It has chloroplasts. Clarify Question What is the key concept addressed by the question? What type of thinking is required?   Gather Content What do you already know about ferns and bryophytes? What other information is related to the question? Given what you now know, what information is most likely to produce the correct answer?   Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?  

Biology & Microbiology

What category of cells includes both phagocytes and lymphocytes?  

A.  leukocytes B.  erythrocytes C.  platelets D.  target cells

Biology & Microbiology

Which of the following is normal oral and nasopharyngeal flora but is involved in infective endocarditis in adults who have underlying congenital or rheumatic heart disease?

What will be an ideal response?

Biology & Microbiology

If the hemoglobin molecules in your red blood cells suddenly were unable to bind carbon dioxide and hydrogen ions, what would happen to your blood pH?

A) It would increase. B) It would stay the same. C) It would decrease.

Biology & Microbiology