Question 1

The ____________ effect of hormones is illustrated by the finding that castrated male cats and mice displayed mounting behaviour when they were given injections of testosterone.

Accepted Answer

The activating effect of hormones refers to the immediate influence that hormones can have on behaviors, such as the reinstatement of mounting behavior in castrated male cats and mice after receiving testosterone injections. This contrasts with organizing effects, which are more about the long-term developmental impacts of hormones on the body and behavior.

Question 2

The clitoris and vagina are supplied with nerves from the

Accepted Answer

The clitoris and vagina are supplied with nerves from the parasympathetic and sympathetic nervous systems. These systems are responsible for the control of sexual function, including arousal and orgasm, and the regulation of bodily functions such as heart rate and digestion. The ejaculation and erection system, limbic and hypothalamus system, and epinephrine and norepinephrine system are not directly involved in the innervation of the clitoris and vagina.

Question 3

Sam often fantasizes about tying someone up unexpectedly and sexually dominating the person for both of their sexual pleasure.Sam finally has the opportunity to act out the fantasy with a willing sex partner.Sam

Accepted Answer

The statement indicates that Sam has mentally rehearsed the fantasy through fantasy, making it easier to act out and communicate about the fantasy. This suggests that Sam has engaged in the process of communication and negotiation with their partner, making it a consensual and safe experience. Additionally, the statement does not provide evidence of sexual sadism or strict adherence to a script, making options B and D incorrect. The gender of Sam and their partner is also not specified, making option A irrelevant.

Question 4

In one experiment with heterosexual men,when exposed to erotic clips and sexually aroused,intense brain activity was found in the right ____________ and left ______________.

Accepted Answer

The experiment found intense brain activity in the insula, claustrum, and striatum in the right hemisphere and the caudate nucleus, putamen, cingulate gyrus, and hypothalamus in the left hemisphere when heterosexual men were exposed to erotic clips and sexually aroused. Thus, the best choice is C as it accurately reflects the brain activity found in the experiment.

Question 5

An "organizing effect" of hormones can be seen in

Accepted Answer

The masculinization of sexual behavior of female animals who have been administered testosterone prenatally is an organizing effect of hormones. This means that exposure to hormones during a critical period of development can permanently alter the organization of the brain and behavior. This effect is seen in many animal species, including humans.

Question 6

According to Renaud and Byers (1999)it appears that a more common theme of fantasy for heterosexual men than for heterosexual women was

Accepted Answer

Renaud and Byers (1999) found that a more common fantasy theme for heterosexual men compared to heterosexual women was having sex with someone they do not know.

Question 7

A male sexually responding to the scent of his partner's vagina is responding to

Accepted Answer

Pheromones are chemical signals released by an individual which trigger responses in another individual of the same species. In the case of the male responding to the scent of his partner's vagina, he is likely responding to the pheromones she is releasing. These pheromones can indicate various things, such as fertility or genetic compatibility.

Question 8

Let's say that Mary is sexually responding to the almost imperceptible scent of her partner's odour emanating from his armpits.She is responding to

Accepted Answer

Pheromones are chemical compounds that are secreted by animals and humans that trigger a social or sexual response in another individual of the same species. They are typically detected through the sense of smell and can have a powerful effect on sexual attraction and behavior. In this scenario, Mary's response to her partner's body scent suggests that she is reacting to pheromones that are specifically geared towards sexual attraction.

Question 9

Several researchers,Perry and Whipple among them,have suggested that a variant of the kind of orgasm described by Masters and Johnson exists.They have termed this orgasm a 'uterine orgasm' and state that it results from stimulation of the

Accepted Answer

The G-spot, named after Dr. Ernst Gräfenberg, is believed to be a highly erogenous area inside the vagina that when stimulated can lead to high levels of sexual arousal and powerful orgasms. The concept of a 'uterine orgasm' as described by researchers like Perry and Whipple is associated with stimulation of the G-spot, which is thought to produce a distinct type of orgasm compared to clitoral stimulation.

Question 10

Which of the following is a TRUE statement about the Gräfenberg spot?

Accepted Answer

According to research, approximately 66 percent of women report having a sensitive or erotic area consistent with the Gräfenberg spot, also known as the G-spot. However, the existence and nature of this spot are still debated among researchers and sex educators.

Question 11

At this point in our knowledge of the brain and sexuality,the most important influences on human sexual responses

Accepted Answer

Research suggests that the limbic system, which includes the hypothalamus and amygdala, plays a crucial role in sexual responses, including arousal, desire, and orgasm. The lower spinal cord is involved in some aspects of sexual function, but it is not the most important influence. The adrenal cortex is primarily involved in regulating hormones, but it is not directly involved in sexual responses. The uvula is part of the mouth and throat and is not related to sexual function.

Question 12

Research by Udry et al.(1985)reported in the text suggests that among teenage boys,higher testosterone levels appear to be positively correlated with

Accepted Answer

The research by Udry et al. (1985) suggests that among teenage boys, higher testosterone levels are positively correlated with having engaged in sexual intercourse. This indicates a link between testosterone levels and sexual activity.

Question 13

At what age is a pre-testosterone hormone (DHEA)proven to help a woman regain sexual desire?

Accepted Answer

DHEA supplementation has been shown to help women over 60 regain sexual desire. This is because DHEA levels decrease with age, and supplementing it can help mitigate some of the age-related declines in sexual function.

Question 14

It appears that the family of hormones related to sexual desire in both the female and the male is

Accepted Answer

Androgens are hormones related to sexual desire in both males and females. They are produced in the gonads and adrenal glands, and are primarily responsible for the development of male secondary sexual characteristics, but they also play a role in female sexuality. Estrogens, while important in female sexuality and reproduction, do not directly relate to sexual desire in males. Thyroid hormones and high density lipids also do not play a significant role in sexual desire.

Question 15

According to Renaud and Byers (1999)a more frequent theme of the fantasies of heterosexual women than heterosexual men was

Accepted Answer

According to Renaud and Byers (1999), a more frequent theme of the fantasies of heterosexual women than heterosexual men was having sex within the context of a certain role, such as tying a person up. Therefore, the correct choice is B. None of the other options are mentioned in the research.

Question 16

Research on brain control of the sexual response has focused primarily on the

Accepted Answer

The limbic system, which includes the hypothalamus, amygdala, and hippocampus, plays a crucial role in the regulation of sexual response, including sexual arousal and orgasm. The frontal lobe is involved in decision-making and higher thinking processes, but not specifically associated with sexual response. The reticular activating system is responsible for regulating consciousness and arousal, but not directly involved in sexual response. The cerebellum is involved in motor coordination and balance, but not specifically associated with sexual response.

Question 17

Which of the following does NOT describe men and masturbation?

Accepted Answer

C is incorrect because most men do not grip their penis tightly and continue stimulation immediately after orgasm. Instead, the penis often becomes hypersensitive, and continued stimulation can be uncomfortable or less pleasurable.

Question 18

In men the lack of _______________ results in a decrease of sexual desire,while in women a lack of ________________ results in a decrease of sexual desire.

Accepted Answer

In both men and women, androgens (such as testosterone) play a significant role in sexual desire. A lack of androgens can lead to decreased libido in both genders.

Question 19

The content and imagery in sexual fantasies come from a variety of places.Which of the following is NOT a source for sexual fantasies based on the information in your text?

Accepted Answer

The text does not mention suggestions from a sexed class as a source for sexual fantasies. The other options (mass media, stories someone told you, past experiences) are mentioned as possible sources.

Question 20

Which statement describes the relationship between the brain and sexual behaviour?

Accepted Answer

The limbic system in the brain is involved in many functions, including emotions, behavior, motivation, long-term memory, and olfaction, among which sexuality is also a component. This makes the statement that the brain uses the limbic system for many different things, including sexuality, accurate.

Quiz 9: Sexual Arousal