Question 1

The nurse explains that prior to fertilization each cell is reduced from 46 chromosomes to 23 chromosomes.This is referred to as the __________ number.

Accepted Answer

haploid
When each cell reduces its chromosomes from 46 to 23,it is called the haploid number.

Question 2

The amniotic fluid has several functions.What are they? Select all that apply.

Accepted Answer

A)  Maintaining an even temperature 
B)  Impeding excessive fetal movement 
C)  Lubricating fetal skin 
D)  Acting as reservoir for nutrients 
E)  Acting as cushion for fetus 
A)  Maintaining an even temperature 
B)  Impeding excessive fetal movement 
C)  Lubricating fetal skin 
D)  Acting as reservoir for nutrients 
E)  Acting as cushion for fetus A,E

Question 3

Organize the developmental stages in the correct order.
A) Fetus
B) Zygote
C) Embryo
D) Blastocyst
E) Morula

Accepted Answer

B,E,D,C,A
The development follows these stages: zygote,morula,blastocyst,embryo,and fetus.

Question 4

Untreated respiratory distress in the newborn could cause which complication?

Accepted Answer

A)  Esophageal atresia 
B)  Gastric dilation 
C)  Cold stress 
D)  Reopening of the foramen ovale 
A)  Esophageal atresia 
B)  Gastric dilation 
C)  Cold stress 
D)  Reopening of the foramen ovale

Question 5

The nurse explains that the hormone responsible for converting the endometrium into decidual cells for implantation is:

Accepted Answer

A)  estrogen. 
B)  human chorionic gonadotropin. 
C)  human placental lactogen. 
D)  progesterone. 
A)  estrogen. 
B)  human chorionic gonadotropin. 
C)  human placental lactogen. 
D)  progesterone.

Question 6

The embryo is termed a fetus at which stage of prenatal development?

Accepted Answer

A)  2 weeks 
B)  4 weeks 
C)  9 weeks 
D)  16 weeks 
A)  2 weeks 
B)  4 weeks 
C)  9 weeks 
D)  16 weeks

Question 7

A woman missed her menstrual period 1 week ago and has come to the doctor's office for a pregnancy test.The nurse knows that the placental hormone measured in pregnancy tests is:

Accepted Answer

A)  progesterone. 
B)  estrogen. 
C)  human chorionic gonadotropin. 
D)  human placental lactogen. 
A)  progesterone. 
B)  estrogen. 
C)  human chorionic gonadotropin. 
D)  human placental lactogen.

Question 8

The nurse explains to a pregnant patient that blood is circulating through the placenta to the fetus by way of:

Accepted Answer

A)  one umbilical vein. 
B)  two umbilical veins. 
C)  one umbilical artery. 
D)  two umbilical arteries. 
A)  one umbilical vein. 
B)  two umbilical veins. 
C)  one umbilical artery. 
D)  two umbilical arteries.

Question 9

The nurse explains that survival of the X and Y bearing sperm after intercourse can be affected by the woman's:

Accepted Answer

A)  age. 
B)  estrogen level. 
C)  body temperature. 
D)  level of feminine hygiene. 
A)  age. 
B)  estrogen level. 
C)  body temperature. 
D)  level of feminine hygiene.

Question 10

During an ultrasound,two amnions and two placentas are observed.The nurse is aware that this pregnancy will result in _____ twins.

Accepted Answer

A)  dizygotic 
B)  monozygotic 
C)  conjoined 
D)  high birth-weight 
A)  dizygotic 
B)  monozygotic 
C)  conjoined 
D)  high birth-weight

Question 11

The nurse informs a class of expectant parents that the fetus is first considered viable at the age of _____ weeks.

Accepted Answer

A)  14 
B)  20 
C)  25 
D)  30 
A)  14 
B)  20 
C)  25 
D)  30

Question 12

The nurse explains that monozygotic twins are frequently below average birth weight because of inadequate:

Accepted Answer

A)  space in the uterus. 
B)  blood supply. 
C)  maternal health. 
D)  placental nutrition. 
A)  space in the uterus. 
B)  blood supply. 
C)  maternal health. 
D)  placental nutrition.

Question 13

The normal umbilical cord is comprised of:

Accepted Answer

A)  1 artery carrying blood to the fetus and 1 vein carrying blood away from the fetus. 
B)  1 artery carrying blood to the fetus and 2 veins carrying blood away from the fetus. 
C)  2 arteries carrying blood away from the fetus and 1 vein carrying blood to the fetus. 
D)  2 arteries carrying blood to the fetus and 2 veins carrying blood away from the fetus. 
A)  1 artery carrying blood to the fetus and 1 vein carrying blood away from the fetus. 
B)  1 artery carrying blood to the fetus and 2 veins carrying blood away from the fetus. 
C)  2 arteries carrying blood away from the fetus and 1 vein carrying blood to the fetus. 
D)  2 arteries carrying blood to the fetus and 2 veins carrying blood away from the fetus.

Question 14

At what point in prenatal development do the lungs begin to produce surfactant?

Accepted Answer

A)  17 weeks 
B)  20 weeks 
C)  25 weeks 
D)  30 weeks 
A)  17 weeks 
B)  20 weeks 
C)  25 weeks 
D)  30 weeks

Question 15

A woman who is 25 weeks pregnant asks the nurse what her fetus looks like.The nurse explains that one physical characteristic present in a 25-week-old fetus is:

Accepted Answer

A)  lanugo covering the body. 
B)  constant motion. 
C)  skin that is pink and smooth. 
D)  eyes that are closed. 
A)  lanugo covering the body. 
B)  constant motion. 
C)  skin that is pink and smooth. 
D)  eyes that are closed.

Question 16

The total number of chromosomes contained in a mature sperm or ovum is:

Accepted Answer

A)  22. 
B)  23. 
C)  44. 
D)  46. 
A)  22. 
B)  23. 
C)  44. 
D)  46.

Question 17

The school nurse counseling a group of adolescent girls states that sperm ejaculated near the cervix:

Accepted Answer

A)  are destroyed by the acidic pH of the vagina. 
B)  survive up to 5 days and can cause pregnancy. 
C)  lose their motility in about 12 hours after intercourse. 
D)  are usually pushed out of the vagina by the muscular action of the vaginal wall. 
A)  are destroyed by the acidic pH of the vagina. 
B)  survive up to 5 days and can cause pregnancy. 
C)  lose their motility in about 12 hours after intercourse. 
D)  are usually pushed out of the vagina by the muscular action of the vaginal wall.

Question 18

The nurse explains that the usual location for implantation of the zygote is the:

Accepted Answer

A)  upper section of the posterior uterine wall. 
B)  lower portion of the uterus near the cervical os. 
C)  inner third of the fallopian tube near the uterus. 
D)  lateral aspect of the uterine wall. 
A)  upper section of the posterior uterine wall. 
B)  lower portion of the uterus near the cervical os. 
C)  inner third of the fallopian tube near the uterus. 
D)  lateral aspect of the uterine wall.

Question 19

Using a diagram,the nurse points out the most common site for fertilization,which is the:

Accepted Answer

A)  lower segment of the uterus. 
B)  outer third of the fallopian tube near the ovary. 
C)  upper portion of the uterus. 
D)  area of the fallopian tube farthest from the ovary. 
A)  lower segment of the uterus. 
B)  outer third of the fallopian tube near the ovary. 
C)  upper portion of the uterus. 
D)  area of the fallopian tube farthest from the ovary.

Question 20

A pregnant woman states,"My husband hopes I will give him a boy because we have three girls." The nurse explains that:

Accepted Answer

A)  the sex chromosome of the fertilized ovum determines the gender of the child. 
B)  when the sperm and ovum are united, there is a 75% chance the child will be a girl. 
C)  when the pH of the female reproductive tract is acidic, the child will be a girl. 
D)  if a sperm carrying a Y chromosome fertilizes an ovum, then a boy is produced. 
A)  the sex chromosome of the fertilized ovum determines the gender of the child. 
B)  when the sperm and ovum are united, there is a 75% chance the child will be a girl. 
C)  when the pH of the female reproductive tract is acidic, the child will be a girl. 
D)  if a sperm carrying a Y chromosome fertilizes an ovum, then a boy is produced.

Exam 3: Fetal Development

The nurse explains that prior to fertilization each cell is reduced from 46 chromosomes to 23 chromosomes.This is referred to as the __________ number.

The amniotic fluid has several functions.What are they? Select all that apply.

Organize the developmental stages in the correct order. A) Fetus B) Zygote C) Embryo D) Blastocyst E) Morula

Untreated respiratory distress in the newborn could cause which complication?

The nurse explains that the hormone responsible for converting the endometrium into decidual cells for implantation is:

The embryo is termed a fetus at which stage of prenatal development?

A woman missed her menstrual period 1 week ago and has come to the doctor's office for a pregnancy test.The nurse knows that the placental hormone measured in pregnancy tests is:

The nurse explains to a pregnant patient that blood is circulating through the placenta to the fetus by way of:

The nurse explains that survival of the X and Y bearing sperm after intercourse can be affected by the woman's:

During an ultrasound,two amnions and two placentas are observed.The nurse is aware that this pregnancy will result in _____ twins.

The nurse informs a class of expectant parents that the fetus is first considered viable at the age of _____ weeks.

The nurse explains that monozygotic twins are frequently below average birth weight because of inadequate:

The normal umbilical cord is comprised of:

At what point in prenatal development do the lungs begin to produce surfactant?

A woman who is 25 weeks pregnant asks the nurse what her fetus looks like.The nurse explains that one physical characteristic present in a 25-week-old fetus is:

The total number of chromosomes contained in a mature sperm or ovum is:

The school nurse counseling a group of adolescent girls states that sperm ejaculated near the cervix:

The nurse explains that the usual location for implantation of the zygote is the:

Using a diagram,the nurse points out the most common site for fertilization,which is the:

A pregnant woman states,"My husband hopes I will give him a boy because we have three girls." The nurse explains that:

The Past, Present, and Future

Human Reproductive Anatomy and Physiology

Prenatal Care and Adaptations to Pregnancy

Nursing Care of Women with Complications During Pregnancy

Nursing Care of Mother and Infant During Labor and Birth

Nursing Management of Pain During Labor and Birth

Nursing Care of Women with Complications During Labor and Birth

The Family After Birth

Nursing Care of Women with Complications After Birth

The Nurse’s Role in Women’s Health Care

The Term Newborn

Preterm and Postterm Newborns

The Newborn with a Perinatal Injury or Congenital Malformation

An Overview of Growth, Development, and Nutrition

The Infant

The Toddler

The Preschool Child

The School-Age Child

The Adolescent

The Child’s Experience of Hospitalization

Health Care Adaptations for the Child and Family

The Child with a Sensory or Neurological Condition

The Child with a Musculoskeletal Condition

The Child with a Respiratory Disorder

The Child with a Cardiovascular Disorder

The Child with a Condition of the Blood, Blood-Forming Organs, or

The Child with a Gastrointestinal Condition

The Child with a Genitourinary Condition

The Child with a Skin Condition

The Child with a Metabolic Condition

The Child with a Communicable Disease

The Child with an Emotional or Behavioral Condition

Complementary and Alternative Therapies in Maternity and Pediatric Nursing

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