1. In fetal circulation, blood bypasses the lungs by flowing through the______ A
ductus arteriosus and foramen ovale. 
Correct!
umbilical ligaments.
Incorrect.
ductus venosus.
Incorrect.
placenta.
Incorrect.
umbilical vein.
Incorrect.

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2.  How many sperm typically fertilize one egg? A
1 
Correct!
5 to 10
Incorrect.
23
Incorrect.
49
Incorrect.
thousands
Incorrect.

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3. During pregnancy,  the corpus lutuem secretes C
LH and FSA.
Incorrect.
estrogen and testosterone.
Incorrect.
estrogen and progesterone. 
Correct!
progesterone.
Incorrect.
human chorionic gonadotropin.
Incorrect.

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4.  Which of the following is not a function of estrogen and progesterone that are secreted from the placenta during pregnancy? E
stimulate the uterine lining to continue development
Incorrect.
maintain the uterine lining
Incorrect.
inhibit the anterior pituitary's secretion of FSH and LH
Incorrect.
stimulate the development of mammary glands
Incorrect.
All of the above are fuctions of estrogen and progesterone. 
Correct!

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5.  Both estrogen and progesterone levels  rise continuously throughout pregnancy. A
true  
Correct!
false 
Incorrect.







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6.  The foramen ovale is a structure that shunts blood from the right to the left atrium in the fetal heart. A
true  
Correct!
false 
Incorrect.







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7.  Identify this specific structure found in the female reproductive system. C
amniotic fluid
Incorrect.
umbilical cord
Incorrect.
placenta 
Correct!
uterine wall
Incorrect.
cervix
Incorrect.

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QUIZ_7

8. Most genes on the X and Y chromosomes do not exist in diploid conditions in males. A
True 
Correct!
False
Incorrect.







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9.  The meiotic division of an ova is not completed until after fertilization. A
True  
Correct!
False 
Incorrect.







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10.  "A solid ball of cells" indicates what stage of development? B
cleavage
Incorrect.
morula  
Correct!
blastocyst
Incorrect.
gastrula
Incorrect.
none of the above
Incorrect.

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