Question 1

If you were on a quiz show and were asked to estimate the percentage of U. S. adults who have had sexual intercourse before marriage, the most accurate response you could give would be:

Accepted Answer

According to research presented in the text, 95% of the U.S. population today has had sex before marriage.

Question 2

Suppose you survey a population of U. S. married adults about their sexual activity. You should expect that couples in which of the following age groups will report having sex most frequently?

Accepted Answer

According to the University of Chicago survey reported in the text, the highest frequencies of sexual activity regardless of marital status were reported by people in their 20s and 30s.

Question 3

The average woman is born with approximately how many ova?

Accepted Answer

The average woman is born with approximately 400,000 ova, also known as eggs. However, only a small fraction of these eggs will mature and be released during ovulation throughout a woman's reproductive years.

Question 4

According to data from a study at the University of Chicago, what percentage of people reporting having more than five sexual partners in the past year claim either to be decreasing their sexual activity, going for HIV testing on a regular basis, or using condoms always?

Accepted Answer

76% of people reporting having more than five sexual partners in the past year claim either to be decreasing their sexual activity, going for HIV testing on a regular basis, or always using condoms, indicating a high level of awareness and proactive measures towards sexual health and HIV prevention among this group.

Question 5

In comparison with the percent of young men who used condoms during sexual intercourse in 1982, the percentage who did so in 2008:

Accepted Answer

The percentage of young men who used condoms during sexual intercourse in 2008 more than tripled compared to the percentage in 1982, reflecting significant changes in sexual health practices and awareness over this period.

Question 6

Which disorder is most likely to cause urinary tract infection in men?

Accepted Answer

Chlamydia is a bacterial infection that can affect the urinary tract, leading to infections. While syphilis, gonorrhea, and AIDS can have various complications, chlamydia is more directly associated with causing urinary tract infections.

Question 7

While already employed

Accepted Answer

The Americans with Disabilities Act requires companies to make reasonable accommodations for the needs of employees with disabilities so that they can do the work for which they are trained; if that is not possible, they must be trained for comparably skilled work.

Question 8

Generalizing from research presented in the text, which of the following statements about sexual behavior by U.S. adults is FALSE?

Accepted Answer

The text does not present research indicating that Hispanic Americans are more likely to have frequent sexual relations than Black or White Americans. In fact, the text states that differences in sexual behavior across racial and ethnic groups are not significant.

Question 9

Lorraine complains to her therapist that she and her husband have sex only a few times a year. Lorraine believes that this pattern of sexual activity is very unusual for married couples. If the therapist is knowledgeable about patterns of sexual intercourse, he should respond to Lorraine that in the United States today, about ____ percent of married couples report this pattern of sexual activity.

Accepted Answer

According to the University of Chicago survey reported in the text, there are three basic patterns of sexual relations: About one-third have sex at least twice a week, one-third several times a month, and one-third a few times a year or not at all.

Question 10

Suppose you administer a survey about sexual activity to married couples who are either African American, Hispanic, or white. What results should you expect, if these couples' responses reflect population trends in the U.S. today?

Accepted Answer

According the University of Chicago survey reported in the text, there are only very minor variations across ethnic groups with regard to frequency of sex.

Question 11

In comparison to people growing up in the 1990s, young adults today are more likely to:

Accepted Answer

Studies have shown that young adults today are actually being more cautious about their sexual activity, with higher rates of condom use, more communication with partners about testing for STDs, and a trend towards delaying sexual activity until later in life. While there is still room for improvement in promoting safe sex practices, the overall trend is towards increased awareness and caution.

Question 12

Difficulty with conception as the result of having a sexually transmitted disease is a significant risk for all of the following EXCEPT:

Accepted Answer

While herpes can cause complications during pregnancy and increase the risk of transmitting the infection to the newborn, it does not typically lead to difficulty with conception. Chlamydia, gonorrhea, and syphilis, on the other hand, can cause infertility in both males and females if left untreated.

Question 13

Barbara is writing a research paper on sexually transmitted diseases. If she identifies the STD that is LEAST likely to be contracted by a young adult in the U. S. today, this disease would be which of the following?

Accepted Answer

Even for high-risk groups within the U.S., the likelihood of contracting HIV is about 0.1%. The rate for other sexually transmitted diseases is much higher: in the range of 5 to 15%.

Question 14

Beginning at about age 38, most women find that:

Accepted Answer

According to the text, ovulation is relatively stable between the ages of 25 and 38. After age 38, and up until menopause, however, there is a rapid decline in the number and regularity of ova released.

Question 15

Mark is a high school biology teacher who suffered an accident and now cannot use his legs and is in a wheelchair. When he recovered and came back to work, his school moved his biology classroom from the second to the first floor, and they installed a lower lab bench so he could teach effectively in this renovated classroom. The school's response would be considered a good example of:

Accepted Answer

The Americans with Disabilities Act requires companies to make reasonable accommodations for the needs of employees with disabilities so that they can do the work for which they are trained; if that is not possible, they must be trained for comparably skilled work.

Question 16

According to the text

Accepted Answer

According to the text, peak fertility occurs for both groups during late adolescence and early adulthood.

Question 17

Tom, who is 20 years old, asks his brother, who is 50 years old, what percentage of his friends used condoms when they had sexual intercourse when they were Tom's age. Tom also asks his own friends about their frequency of condom use. If Tom's friends and Tom's brother's friends are typical for people of their generations, you should expect that Tom's friends are about ____ likely to use condoms during intercourse.

Accepted Answer

The proportion of young men who used condoms during sexual intercourse more than tripled from 1982 to 2008.

Question 18

Compared to the 1970s, reports of sexual satisfaction among U. S. adults today is _____ and _____ closely tied to whether or not sexual activity results in orgasm.

Accepted Answer

According to research, reports of sexual satisfaction among U.S. adults today are much higher than in the 1970s, but are not closely tied to whether or not sexual activity results in orgasm.

Question 19

According to research described in the text, about what percent of married people in the U. S. today have sex at least twice a week?

Accepted Answer

According to research described in the text, approximately one-third of married people in the U.S. today have sex at least twice a week. This supports option C as the correct answer.

Question 20

At present, there is no cure for which of the following diseases?

Accepted Answer

Herpes, caused by the herpes simplex virus (HSV), is currently incurable. While antiviral medications can help manage symptoms and reduce outbreaks, they do not eliminate the virus from the body.

Quiz 12: Young Adulthood: Physical and Cognitive Development