Study Guide BIOL_030

In a (an) _____ sample, subgroups are represented according to their incidence in the larger

population.

Representative

Demographic bias is sample bias in which certain segments of a population are represented

disproportionately

True

During the middle ages Augustine ____________

All above endings are correct

1. Declared lust as the original sin of Adam and Eve

2. Formalized notion that intercourse could only occur within marriage for procreation

3. Believed female subordination was part of God's creation

The vaginal photoplethysmograph measure sexual arousal by indirectly measuring changes in

___________

blood flow

Kinsey and his colleagues obtained their data by means of _______

survey interviews

A study was conducted in South Africa to determine whether circumcision may be an effective strategy for

preventing HIV infection. In this study 3,000 uncircumcised and uninfected men were randomly assigned to 2

groups, one with individuals circumcised at beginning of trial and other with uncircumcised males scheduled

for circumcision at end of 21-month study. What is the dependent variable?

HIV infection status or whether the person is infected with HIV or not when tested

Who believed that same-gender acts, anal intercourse, and oral sex was against God's will

Thomas Aquinas

Thin, highly coiled structures located within the testicle responsible for sperm production are ___

seminiferous tubules

Which of the following structures is NOT part of an uncircumcised penis

Perineum

Which of the following is associated with the head of the sperm?

acrosome

The term vulva refers to the ________

oogenesis associated external genital structures

The labia majora enclose all the following EXCEPT the:

mons veneris.

Female genital mutilation:

can cause severe bleeding, intense pain, childbirth complications, and death

The opening of the vagina is referred to as the

introitus

Bartholin's glands

can become clogged, causing swelling

Ovulation commonly takes place _______

about 14 days before the start of a person's next menstrual period

Breasts are:

secondary sex characteristics

Uterine contractions associated with primary dysmenorrhea are caused by an overproduction of

prostaglandins

True

Most women orgasm from vaginal rather than clitoral stimulation

False

The corpus luteum ________

secretes progesterone

Undescended testes remain at the internal body temperature, which is

____

too high for normal sperm production

Thin, highly coiled structures located within the testis and responsible for sperm production are

the_____

seminiferous tubules

The major sources of androgens in people with penises are the ______

interstitial cells of the Leydig

The seminal vesicles secrete an alkaline fluid that is rich in

fructose

Wet dreams are also known as

nocturnal emissions

Brian is having surgery performed, which involves making an incision at the base of his penis and severing the

ligaments that attach the penile root to the pelvic bone. Brian is MOST likely to have this surgery performed for

which of the following reasons?

To cosmetically augment his penis size

The cavernous body is on the underside of the penis and encloses the urethra

False

The tunica dartos can raise or lower the testicles based on the outside

temperature

True

___ produce female secondary sex characteristics and help regulate the menstrual cycle

Estrogens

Which of the following is true about media and sexuality?

a. Music videos rarely if ever contain sexual content.

b. Commitment, contraception, and consequences are commonly depicted on television

shows.

c. Advertising presents blatant and subtle sexual images designed to sell products.

d. Very few of the technological advances of the internet were advanced by the sex industry.

e. Mass media has changed very little in the past 600 years.

answer: c. Advertising presents blatant and subtle sexual images designed to sell products.

What is the correct disadvantage of the direct observational method of research?

The subjects' behaviors may be influenced by the presence of an observer.

A condition known as

____ exists when a person has an extremely tight foreskin.

phimosis

The results of the National Health and Social Life Survey in the mid-1990s reflected an American people

who were ________.

more sexually conservative than was widely believed.

The ________ is released from the follicle at ovulation.

secondary oocyte with 23 chromosomes

Which of the following correctly matches a term with its definition?

a. Secondary dysmenorrhea; Constant and often-spasmodic lower abdominal pain extending to

back and thighs which is not due to overproduction of prostaglandins

b. Primary amenorrhea: Failure to begin menstruating at puberty.

c. Primary dysmenorrhea; Pain or discomfort during menstruation due to overproduction of

prostaglandins.

d. Premenstrual syndrome: General term for all symptoms that occur before a woman's period

such as bloating, swelling breasts and pain.

e. All of the above terms correctly match their definition.

answer: e. All of the above terms correctly match their definition.

During the menstrual/ovarian cycle, which structure secretes progesterone after ovulation?

Corpus luteum

People born with a urethra that does not extend the full length of the penis have a condition called ____.

hypospadias

Which of the following are true about breasts?

Breast size changes throughout the course of women's life, during pregnancy and during her menstrual cycle.

Despite differences in the overall length of the menstrual cycle among different women and even for a

single woman during different parts of her life, which period of time within a woman's cycle is most consistent?

The interval between ovulation and the onset of menstruation.

Which of the following is/are TRUE about erections?

a. The capacity for erection occurs at puberty.

b. Erections that occur at night are always due to the erotic content of dreams.

c. Erections occur because the nervous system sends out messages causing expansion of the

arteries, which increases the rate of blood flowing into and accumulating in the erectile cylindersbeyond the outflow of blood from the penis.

d. Erections that occur in the morning are not due to having a full bladder but happen because individual often awakens just after completing a rapid eye movement (R.E.M.) or dreaming sleep an stage of

e. Answers c and d are correct about erections.

Answer e. Both c and d are correct