Question 1

Sandra is a singer and wants to sing to her baby. When is the earliest into her pregnancy that she could start singing to her baby and reasonably expect that the baby will be able to hear her?

Accepted Answer

A) 3 weeks 
B) 6 weeks 
C) 13 weeks 
D) 10 weeks

Question 2

Maggie brought her orphaned niece into her home and is raising her as her own daughter after her biological parents died in a car accident. Which of the following does this scenario best exemplify?

Accepted Answer

A) Conditioning 
B) Surrogacy 
C) Adoption 
D) Assimilation

Question 3

HIV can be found in breast milk.

Accepted Answer

A) True 
 B)False

Question 4

Sperm are much larger than ova.

Accepted Answer

A) True 
 B)False

Question 5

__________can be used to achieve pregnancy when the fallopian tubes are blocked because the ova need not travel through them.

Accepted Answer

A) In vitro fertilization 
B) Nonsteroidal anti-inflammatory drugs 
C) Artificial insemination 
D) A caesarean section

Question 6

Cigarette smoke is known to contain _____ that stimulates the fetus.

Accepted Answer

A) estrogen 
B) vitamin A 
C) methadone 
D) nicotine

Question 7

A blastocyst gains mass only when it receives nourishment from outside.

Accepted Answer

A) True 
 B)False

Question 8

Phoebe's son was born with thin lips and widely spaced eyes. His physician also diagnosed him with brain dysfunction. His facial deformities decreased as he grew older, but his brain dysfunction persisted even in adulthood. In this scenario, Phoebe's son is most likely suffering from _____.

Accepted Answer

A) Rh incompatibility 
B) fetal alcohol syndrome 
C) rubella 
D) preeclampsia

Question 9

Which of the following is true of a sperm cell?

Accepted Answer

A) It is significantly larger than an egg cell. 
B) It contains two Y chromosomes. 
C) It travels randomly inside a woman's reproductive tract. 
D) It is one of the smallest types of cells in the body.

Question 10

By 12-20 weeks of pregnancy, a fetus moves its limbs so vigorously that the pregnant mother may complain of being kicked.

Accepted Answer

A) True 
 B)False

Question 11

_____, an estrogen prescribed during the 1940s and 1950s to help prevent miscarriage, has been linked to cancer in some offspring.

Accepted Answer

A) Androsterone 
B) Adiponectin 
C) Progestin 
D) Diethylstilbestrol

Question 12

Which of the following is true of the babies of women who regularly used marijuana during pregnancy?

Accepted Answer

A) They are obese. 
B) They display immature development of the nervous system. 
C) They are born with cancer in the reproductive tract. 
D) They are born with both male and female sex organs.

Question 13

Thalidomide was marketed in the 1960s as a treatment for:

Accepted Answer

A) insomnia and nausea. 
B) infertility and impotency. 
C) Down's syndrome. 
D) Turner Syndrome.

Question 14

Which of the following is true of teenage mothers?

Accepted Answer

A) They have a higher incidence of infant mortality. 
B) They give birth to obese children. 
C) They suffer from endometriosis. 
D) They have the highest chance of giving birth to children with Down's syndrome.

Question 15

Laura is 45 years old, and her husband Shane is 48 years old. They already have a child and want to have another child. Their physician states that their chances of conceiving a child are extremely low. Which of the following is the most likely reason for this reduced ability to bear children?

Accepted Answer

A) Shane has a very high sperm count. 
B) Laura and Shane are genetically incompatible. 
C) Laura and Shane are not from the same ethnicity. 
D) Laura is too old to bear children.

Question 16

Discuss the effects of teratogens on an embryo or fetus.

Accepted Answer

The answer of Discuss the effects of teratogens on an...

Question 17

Pregnant women consuming high doses of vitamins A and D have been associated with:

Accepted Answer

A) birth defects such as stunted sex organs. 
B) masculinization of the external sex organs in female embryos. 
C) cancer in the reproductive tract. 
D) central nervous system damage, small head size, and heart defects.

Question 18

Thalidomide, when consumed by pregnant women during the second month of pregnancy can cause:

Accepted Answer

A) birth defects such as stunted limbs. 
B) cervical, vaginal, and testicular cancers in offspring. 
C) syphilis. 
D) piles.

Question 19

The _____ is the inner layer of the embryo from which the lungs and digestive system develop.

Accepted Answer

A) neural tube 
B) mesoderm 
C) endoderm 
D) umbilical cord

Question 20

Sperm that survive the initial obstacles in the cervix _____ after ejaculation.

Accepted Answer

A) may reach the fallopian tubes five to ten seconds 
B) may reach the fallopian tubes 60 to 90 minutes 
C) reach the fallopian tubes only after a week 
D) reach the fallopian tubes only after 21 days

Exam 3: Conception and Prenatal Development

Sandra is a singer and wants to sing to her baby. When is the earliest into her pregnancy that she could start singing to her baby and reasonably expect that the baby will be able to hear her?

Maggie brought her orphaned niece into her home and is raising her as her own daughter after her biological parents died in a car accident. Which of the following does this scenario best exemplify?

HIV can be found in breast milk.

Sperm are much larger than ova.

__________can be used to achieve pregnancy when the fallopian tubes are blocked because the ova need not travel through them.

Cigarette smoke is known to contain _____ that stimulates the fetus.

A blastocyst gains mass only when it receives nourishment from outside.

Phoebe's son was born with thin lips and widely spaced eyes. His physician also diagnosed him with brain dysfunction. His facial deformities decreased as he grew older, but his brain dysfunction persisted even in adulthood. In this scenario, Phoebe's son is most likely suffering from _____.

Which of the following is true of a sperm cell?

By 12-20 weeks of pregnancy, a fetus moves its limbs so vigorously that the pregnant mother may complain of being kicked.

_____, an estrogen prescribed during the 1940s and 1950s to help prevent miscarriage, has been linked to cancer in some offspring.

Which of the following is true of the babies of women who regularly used marijuana during pregnancy?

Thalidomide was marketed in the 1960s as a treatment for:

Which of the following is true of teenage mothers?

Laura is 45 years old, and her husband Shane is 48 years old. They already have a child and want to have another child. Their physician states that their chances of conceiving a child are extremely low. Which of the following is the most likely reason for this reduced ability to bear children?

Discuss the effects of teratogens on an embryo or fetus.

Pregnant women consuming high doses of vitamins A and D have been associated with:

Thalidomide, when consumed by pregnant women during the second month of pregnancy can cause:

The _____ is the inner layer of the embryo from which the lungs and digestive system develop.

Sperm that survive the initial obstacles in the cervix _____ after ejaculation.