Question 1

Evidence indicates that about ______ of all pregnancies are unplanned, and about one fourth of the unintended pregnancies are "mistimed."

Accepted Answer

Evidence suggests that approximately 50% of all pregnancies are unplanned, with about one fourth of these unintended pregnancies being categorized as "mistimed."

Question 2

Current estimates show that the cost of having and rearing a child through the age of 17 averages ______.

Accepted Answer

The cost of raising a child through the age of 17 averages around $234,000. This figure accounts for food, housing, childcare, education, and other child-rearing expenses but can vary significantly based on location, income level, and personal choices.

Question 3

Aisha is interested in reducing the expenses associated with the birth and care of her new baby. Which of the following choices will help her meet her goal?

Accepted Answer

B

Question 4

In the past, voluntarily childless couples were often viewed with pity or concern. Today, about ______ of couples in the United States and ______ of couples in Germany are choosing the "childfree" state.

Accepted Answer

The correct percentages are 18% for couples in the United States and 25% for couples in Germany choosing to be childfree.

Question 5

Harmful agents (e.g., drugs, infections, diseases) that can damage the developing embryo are called ______.

Accepted Answer

Teratogens are substances or factors that can cause congenital abnormalities or birth defects in a developing fetus when a mother is exposed to them during pregnancy.

Question 6

Fetal Alcohol Syndrome is characterized by abnormal facial features, growth deficiencies, and problems with the child's central nervous system. Which of the following statements best describes what we know about the cause of the disorder?

Accepted Answer

Fetal Alcohol Syndrome (FAS) is directly linked to alcohol consumption during pregnancy. There is no safe amount of alcohol that can be consumed during pregnancy, and the only way to guarantee the prevention of FAS is to avoid alcohol entirely. Choices A, B, and D contain inaccuracies or overgeneralizations about the condition and its causes.

Question 7

Cindy is a smoker who is expecting a baby. According to the March of Dimes, Cindy is increasing her risk of delivering a preterm or underweight baby by ______. Her smoking also increases the likelihood that her baby will be stillborn.

Accepted Answer

The answer of Cindy is a smoker who is expecting...

Question 8

About ______ of women experience some type of infertility problem.

Accepted Answer

Approximately 11% of women experience some type of infertility problem, according to various health studies and reports.

Question 9

Although the majority of babies born with Down syndrome are born to women under the age of 30, the likelihood that a woman will deliver a baby with Down syndrome increases dramatically after about age ______.

Accepted Answer

The likelihood of delivering a baby with Down syndrome increases significantly after the age of 35. This is due to the increased risk of chromosomal abnormalities in eggs as a woman ages.

Question 10

Of the following assisted reproductive technologies, ______ is the most common and occurs when sperm is placed by a catheter directly into the uterus.

Accepted Answer

Intrauterine insemination (IUI) is the most common assisted reproductive technology where sperm is placed directly into the uterus using a catheter, aiming to increase the number of sperm that reach the fallopian tubes to facilitate fertilization.

Question 11

Wendy and Daisuke used an assisted reproductive technology (ART) to overcome fertility problems. Using a laparoscope, the couple's embryologist placed Daisuke's sperm and Wendy's egg(s) into her fallopian tube. This ART technique is referred to as ______.

Accepted Answer

Gamete intrafallopian transfer (GIFT) involves placing the sperm and egg directly into a woman's fallopian tube, which matches the description given.

Question 12

Using a new assisted reproductive technology technique, a single healthy sperm is selected and then injected into a single female egg. The zygote is then inserted into the woman for implantation. This technique is referred to as ______.

Accepted Answer

The technique described is intracytoplasmic sperm injection (ICSI), where a single sperm is injected directly into an egg to facilitate fertilization, and then the resulting zygote is implanted into the woman's uterus.

Question 13

The sex chromosomes are the ______ pair.

Accepted Answer

The sex chromosomes are the 23rd pair of chromosomes in humans, determining the sex of the individual.

Question 14

When an extra X chromosome is present in males (XXY), the condition is known as ______ and results in small testicles and reduced fertility.

Accepted Answer

Klinefelter syndrome is characterized by the presence of an extra X chromosome in males, leading to symptoms such as small testicles and reduced fertility.

Question 15

An extra 21st chromosome causes ______, which results in particular facial features and a range of mental impairment.

Accepted Answer

Down syndrome is caused by an extra copy of chromosome 21, which leads to the characteristic facial features and varying degrees of intellectual disability associated with the condition.

Question 16

When an X chromosome is completely missing in females, the condition is known as ______ and results in short stature and infertility.

Accepted Answer

Turner syndrome is the condition where a female is missing one of her X chromosomes, leading to characteristics such as short stature and infertility.

Question 17

When the fifth segment of the X chromosome is missing in males or females, the condition is known as ______ and results in a strange, high pitched cry in babies, along with other more severe symptoms.

Accepted Answer

Cri du chat syndrome is characterized by the absence of the fifth segment of the X chromosome, leading to a high-pitched cry that resembles a cat, among other symptoms.

Question 18

"Miscarriages" are pregnancy losses that end before ______ weeks of gestation. Losses that happen later in the pregnancy are referred to as "stillbirths."

Accepted Answer

Miscarriages are defined as pregnancy losses that occur before 20 weeks of gestation. Losses that occur after this period are classified as stillbirths.

Question 19

As many as ______ of all pregnancies are believed to end in miscarriage--often before a mother is even aware she is pregnant.

Accepted Answer

It is estimated that up to 50% of all pregnancies end in miscarriage, frequently before the mother is even aware she is pregnant. This high percentage includes very early pregnancies that are lost shortly after implantation.

Question 20

An ectopic pregnancy occurs when the fertilized egg ______.

Accepted Answer

An ectopic pregnancy occurs when the fertilized egg implants and grows outside the main cavity of the uterus, most commonly in the fallopian tubes.

Quiz 6: Becoming a Parent