Chapter 12 Self-Test

Chapter 12 Self-Test - JumptoNavigationFrame...

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Jump to Navigation Frame   Your location: Assessments  ›  View All Submissions  ›  View Attempt  View Attempt 1 of unlimited  Title: Ch12 Self Test Started: July 20, 2009 9:57 PM Submitted: July 20, 2009 9:58 PM Time spent: 00:00:08  Current score: 0/75 = 0%   This assessment is only partially graded.   Graded Questions: 0/65.0 = 0%  Ungraded Questions: --/10  1.   Which of the following is NOT a process that facilitates conception?    Student Response Value Correct  Answer 1. After ejaculation semen thickens. 0%     2.  Female sexual desire peaks at ovulation and  just prior to menstruation.    3.  A mucus plug appears in the cervix to trap  sperm.    4.  Cervical mucus becomes thinner and  stretchy.    5.  Female orgasm helps draw semen into the  uterus.      2.
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  About how long does the ovum live in the female reproductive tract?    Student Response Value Correct  Answer 1. 72 hours    2. 3 hours    3. 1 hour    4. 20 minutes    5. 24 hours      3.   Fertilization normally takes place in the:    Student Response Value Correct  Answer 1. cervix.    2. fallopian tube.    3. ovary.    4. vagina.    5. uterus.      4.
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  How many sperm fertilize the egg?    Student Response Value Correct  Answer 1. one    2. millions    3. hundreds    4. several    5. thousands      5.   The hollow ball of embryonic cells that enters the uterus from the  fallopian tube is called the:    Student Response Value Correct  Answer 1. blastocyst    2. amnion    3. endometrium    4. umbilicus    5. dyzygote      6.
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  The sex of the fetus is determined by the:    Student Response Value Correct  Answer 1. sperm.    2. composition of the egg.    3. number of sperm ejaculated.    4. balance of hormones.    5. age of the parents.      7.   If a fertilized egg had just implanted, we know that it would normally be  in the:    Student Response Value Correct  Answer 1. vagina.    2. uterus.    3. fallopian tube.    4. ovary.    5. cervix.      8.
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  From the second through eighth weeks, the developing human is  referred to as a(an):    Student Response Value Correct  Answer 1. mesoderm.    2. blastocyst.    3. embryo.    4. fetus.    5. amnion.      9.   What is the placenta?    Student Response Value Correct  Answer 1. The down covering of hair over a fetus.    2. The chemical in the head of the spermatozoon  that breaks down the outer membrane of the  ovum to allow for fertilization.   
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Chapter 12 Self-Test - JumptoNavigationFrame...

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