Question 1

Stretching of the cervix causes oxytocin secretion to

Accepted Answer

A)  increase.
B)  decrease.C) A) and B)
D) undefined

Question 2

The germ layer between the ectoderm and the endoderm is the __________.

Accepted Answer

The answer of The germ layer between the ectoderm and...

Question 3

Cleavage occurs during

Accepted Answer

A)  the fetal period.
B)  the pre-embryonic period.
C)  organogenesis.
D)  the embryonic period.
E)  fertilization.F) B) and E)
G) A) and E)

Question 4

Which type of food do women suffering from morning sickness generally prefer

Accepted Answer

A)  Carbohydrate-rich foods
B)  Protein-rich foodsC) A) and B)
D) undefined

Question 5

To prepare for the strain of labor and delivery,female reproductive hormones cause ligaments of pelvic joints to tighten.

Accepted Answer

A) True 
 B)False

Question 6

Mendelian inheritance specifies that if two heterozygous individuals mate,the chances that a child would be homozygous for the recessive allele would be

Accepted Answer

A)  25%.
B)  50%.
C)  75%.
D)  impossible to predict.E) B) and D)
F) A) and D)

Question 7

During pregnancy,a woman's areolae and nipples become darker under the influence of

Accepted Answer

A)  melanin from the pineal gland.
B)  vasopressin from the posterior pituitary gland.
C)  melanocyte-stimulating hormone from the placenta.
D)  estrogen and progesterone from the ovary.E) None of the above
F) B) and C)

Question 8

The display of chromosome pairs arranged by size and similar features is known as the

Accepted Answer

A)  genotype.
B)  Punnet square.
C)  karyotype.
D)  heredity gel.E) A) and B)
F) All of the above

Question 9

Release of breast milk occurs when the hormone __________ stimulates _________ cells to contract.

Accepted Answer

A)  prolactin;mechanoreceptor
B)  oxytocin;myoepithelial
C)  estrogen;areolar
D)  prolactin;mammary acini
E)  oxytocin;suspensoryF) B) and D)
G) B) and C)

Question 10

What thin membrane,continuous with the epiblast layer,secretes fluid to bathe the embryo

Accepted Answer

A)  Chorion
B)  Amnion
C)  Yolk sac
D)  Corona radiataE) C) and D)
F) B) and C)

Question 11

During pregnancy,estrogen and progesterone from the placenta

Accepted Answer

A)  stimulate FSH and LH secretion and thereby stimulate ovarian follicle development.
B)  inhibit FSH and LH secretion and thereby arrest ovarian follicle development.
C)  stimulate GnRH secretion and thereby inhibit overgrowth of the uterus.
D)  inhibit release of corticotropin-releasing hormone and thereby prevent excessive stress responses.E) C) and D)
F) A) and D)

Question 12

Growth of the functional layer and prevention of menstruation during pregnancy are brought about by secretion of

Accepted Answer

A)  relaxin.
B)  progesterone.
C)  cortisol.
D)  human chorionic thyrotropin.
E)  human placental lactogen.F) D) and E)
G) None of the above

Question 13

Increased levels of estrogen,progesterone,and corticosteroids result in increased insulin resistance during preganancy.

Accepted Answer

A) True 
 B)False

Question 14

Endometrial tissue,blood,and mucus are released from the uterus after childbirth as ___________.

Accepted Answer

The answer of Endometrial tissue,blood,and mucus are released from the...

Question 15

The hypoblast layer of the blastodisc is made of

Accepted Answer

A)  columnar cells and forms during the morula stage.
B)  columnar cells and forms during gastrulation.
C)  cuboidal cells and forms during the fetal period.
D)  cuboidal cells and forms during the pre-embryonic period.E) C) and D)
F) All of the above

Question 16

Typically,at the moment a full-term baby is born,the child's lungs are

Accepted Answer

A)  fully inflated due to practice respiratory movements in the womb.
B)  not fully inflated,but they will inflate within about ten seconds.
C)  not fully inflated,and will not inflate fully for ten days,when surfactant production begins.D) All of the above
E) A) and B)

Question 17

After childbirth,lochia lasts for

Accepted Answer

A)  3-4 days.
B)  2-3 weeks.
C)  3-5 months.D) None of the above
E) B) and C)

Question 18

Shortly after birth the pressure within the right side of the heart rises.

Accepted Answer

A) True 
 B)False

Question 19

At the 16-cell stage,the conceptus is known as a(n)

Accepted Answer

A)  trophoblast.
B)  blastocyst.
C)  embryoblast.
D)  morula.
E)  zygote.F) A) and B)
G) A) and C)

Question 20

Which structure is an important site for early blood cell formation and is the first of the extraembryonic membranes to form

Accepted Answer

A)  Amnion
B)  Yolk sac
C)  Chorion
D)  Zona pellucidaE) B) and C)
F) A) and C)

Exam 29: Development,Pregnancy,and Heredity

During pregnancy,estrogen and progesterone from the placenta

Correct AnswerverifiedShow Answer

Mendelian inheritance specifies that if two heterozygous individuals mate,the chances that a child would be homozygous for the recessive allele would be

Correct AnswerverifiedShow Answer

Which structure is an important site for early blood cell formation and is the first of the extraembryonic membranes to form

Correct AnswerverifiedShow Answer

After childbirth,lochia lasts for

Correct AnswerverifiedShow Answer

Release of breast milk occurs when the hormone __________ stimulates _________ cells to contract.

Correct AnswerverifiedShow Answer

The germ layer between the ectoderm and the endoderm is the __________.

Correct AnswerverifiedShow Answer

Cleavage occurs during

Correct AnswerverifiedShow Answer

What thin membrane,continuous with the epiblast layer,secretes fluid to bathe the embryo

Correct AnswerverifiedShow Answer

Increased levels of estrogen,progesterone,and corticosteroids result in increased insulin resistance during preganancy.

Correct AnswerverifiedShow Answer

Growth of the functional layer and prevention of menstruation during pregnancy are brought about by secretion of

Correct AnswerverifiedShow Answer

Which type of food do women suffering from morning sickness generally prefer

Correct AnswerverifiedShow Answer

Endometrial tissue,blood,and mucus are released from the uterus after childbirth as ___________.

Correct AnswerverifiedShow Answer

The display of chromosome pairs arranged by size and similar features is known as the

Correct AnswerverifiedShow Answer

The hypoblast layer of the blastodisc is made of

Correct AnswerverifiedShow Answer

During pregnancy,a woman's areolae and nipples become darker under the influence of

Correct AnswerverifiedShow Answer

Shortly after birth the pressure within the right side of the heart rises.

Correct AnswerverifiedShow Answer

At the 16-cell stage,the conceptus is known as a(n)

Correct AnswerverifiedShow Answer

Typically,at the moment a full-term baby is born,the child's lungs are

Correct AnswerverifiedShow Answer

To prepare for the strain of labor and delivery,female reproductive hormones cause ligaments of pelvic joints to tighten.

Correct AnswerverifiedShow Answer

Stretching of the cervix causes oxytocin secretion to

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Release of breast milk occurs when the hormone __ stimulates _ cells to contract.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified