Chapter 5 Student Quiz

. Which of the following statements about hormones is true?

Hormones are released by a cell or a gland.

Hormones are released from one location and can affect cells in different locations in the body.

Hormones travel via the bloodstream.

All of the above statements are correct.

. How are hormones regulated in the body?

Hormones are regulated exclusively by the gonads.

Hormones are regulated by feedback signals from different organs.

Hormones are regulated by their level in bodily fluids such as blood, urine, and mucous.

Hormones are regulated by the spinal cord and the nervous system.

. That human birth rates are usually highest in later summer and early autumn, and lowest in late winter and early spring suggests ________.

humans prefer to have babies when the weather is mild

people have more sex around this time

a seasonal variation in the regulation of human sex hormones

human sex hormones can influence the weather

. Which of the following events occurs during the follicular phase of the menstrual cycle?

Estrogen stimulates the growth of the uterine lining.

Progesterone levels are high.

The egg is released from the ovary.

Falling estrogen and progesterone levels trigger menstruation.

. A woman with typical ovaries, vagina, and cervix, but with undeveloped breasts, no underarm hair and narrow hips might ________.

have failed to develop primary sex characteristics

have failed to develop secondary sex characteristics

be pregnant

be very old and unwell

. Which of the following statements about prenatal sex hormone exposure is false?

The hypothalamus is exquisitely sensitive to the effects of sex hormones even during gestation.

Early hormonal influences may shape neural circuits to affect sexuality.

The prenatal sexual brain is protected from exposure to sex hormones by a structure called the sexual membrane.

There may well be a critical developmental period for the human sexual brain, where sex hormone exposure might influence later gender identity.

. Which of the following statements about testosterone is true?

Anticipation of sexual intercourse raises testosterone levels in both men and women.

Testosterone levels are higher in childhood compared to adulthood.

When men imagine a sexual encounter, their testosterone levels increase markedly.

All of the above statements are true.

. Functional magnetic imaging (fMRI) studies have shown that people in love or viewing pictures of loved ones show greater activation of which neural pathway?

The hypothalamic-pituitary-gonadal axis

The sexual brain

The dopaminergic reward system

The apocrine gland

. Which hormone has been implicated in the approach-avoidance hypothesis of sexual connection?

Testosterone

Progesterone

Vasopressin

Oxytocin

. Which of the following pheromones have not been identified in humans?

Alarm pheromones

Maternal-infant pheromones

Menstrual/fertile pheromones

Territorial pheromones

. According to your textbook, which statement is true of research findings regarding the human major histocompatibility complex (MHC)?

MHC genes are generally very similar across women but show great diversity in men.

Women have been found to prefer the scent of a T-shirt worn by a man who is genetically similar to them based on their MHC.

Women who share similar MHC patterns with their husbands are more likely to engage in sex outside the relationship with a male with dissimilar MHC patterns.

All of the above statements are true.

. In women, menopause and aging bring about ________.

increasing levels of estradiol secretion from the ovaries

increasing levels of androgens such as testosterone

decreasing levels of estradiol secretion from the ovaries

significant changes to their MHC profile

. According to your textbook, which of the following statements is true of andropause?

Andropause affects both men and women.

All men experience andropause at some point in their life.

One of the symptoms of andropause is breast development.

Androgen replacement therapy administered to men going through andropause has been successful in improving their quality of life and sexuality.

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