Hormonal Control of Human Reproduction

Which days of the cycle does menstruation occur?

• A. days 1-6

• B. days 7-13

• C. days 14-20

• D. days 21-28

A biologist made a hypothesis that the pituitary and the ovary both influence the uterine

cycle in females, which of the following observation would best support this hypothesis?

• A. The removal of pituitary is followed by death.

• B. The removal of the ovary can greatly affect the menstrual cycle.

• C. The removal of the ovary is followed by a non-functioning pituitary.

• D. The uterine development takes place only when both pituitary and ovary are present.

A woman’s unsafe period is the day near or during _________.

• A. fertilization

• B. menstruation

• C. ovulation

• D. sexual intercourse

What happens during ovulation?

• A. A sperm can fertilize an egg.

• B. A zygote becomes an embryo.

• C. An ovum is released from the ovary.

• D. A follicle releases the hormone FSH.

It is the process through which the level of a certain substance influences the level of

another substance?

• A. FSH

• B. LH

• C. menstruation

• D. feedback

An increase in FSH may also indicate a reduction in the production of good quality eggs

and embryos for _________.

• A. fertilization

• B. menstruation

• C. ovulation

• D. all of the choices

It is an abnormally high levels of LH during non-ovulatory times in the menstrual cycle.

• A. menarche

• B. menopause

• C. LH

• D. FSH

Where are the sperm cells released during mating?

• A. ovaries

• B. uterus

• C. fallopian tube

• D. vagina

What does the ovary release every month?

• A. egg

• B. sperm

• C. LH

• D. FSH

When does the reproductive system among humans become active?

• A. When an individual grows taller.

• B. When an individual reaches high school.

• C. When an individual reaches college.

• D. When an individual reaches puberty.