mastering a&p 2 ch. 26 group 4 modules 26.11-26.17 DSM

what is the role of the endocrine system in reproduction? causing arousal causing erection coordinating reproductive events affecting cardiovascular functioning

coordinating reproductive events

In females between the ages of 45 and 55, ovulation and menstruation cease in a phase of life called __________. menarche menopause andropause primary amenorrhea

menopause

The principal hormone that prepares the uterus for pregnancy is __________. LH estrogen FSH progesterone

progesterone

Men over the age of 50 are periodically screened for prostate cancer by measuring the blood for elevated levels of ______________. testosterone dihydotesteroterone (DHT) dehydroepiandrosterone (DHEA) prostate specific antigen (PSA)

prostate specific antigen (PSA)

A woman seeking to become pregnant could do which of the following to determine when she might be ovulating? Look for a thinning in the cervical mucus All of the listed responses are correct. Count the number of days that have passed since the onset of her last menses Record her basal body temperature

All of the listed responses are correct.

Which female reproductive structure most resembles the penis in the male? Cervix Clitoris Labia majora Ovary

Clitoris

What is the benefit of increased vestibular gland secretion in the female? Easier insertion of the penis into the vagina during intercourse Erection of the clitoris Movement of sperm in the vagina Movement of the oocyte in the oviduct

Easier insertion of the penis into the vagina during intercourse

Which of the following is not a correct way in which the reproductive system hormones interact with other body systems? Testosterone accelerates muscle and bone growth. Testosterone and estrogen affect the CNS development and sexual behaviors. Estrogen helps maintain healthy vessels and slow the development of atherosclerosis. Estrogen stimulates the lengthening of long bones of females at puberty.

Estrogen stimulates the lengthening of long bones of females at puberty.

Which hormone causes the development of secondary follicles into tertiary follicles? FSH GnRH Inhibin LH

FSH

The rupture of the follicular wall and ovulation are caused by __________. an increase in progesterone production a sudden surge in LH (luteinizing hormone) concentration increased GnRH (gonadotropin-releasing hormone) production and release a sudden surge in estrogen secretion

a sudden surge in LH (luteinizing hormone) concentration

All of the following are associated with infertility except ____________. amenorrhea the inability to conceive or carry a pregnancy after one year of unprotected intercourse a surge of LH low sperm count

a surge of LH

Which of the following hormones is not properly matched with its source and primary effects? Estrogens are produced by the granulosa and thecal cells and stimulate the repair and proliferation of the endometrium. Luteinizing hormone (LH) is produced by the anterior pituitary and stimulates ovulation and the formation of the corpus luteum in females. Gonadatropin-releasing hormone (GnRH) is released from the anterior pituitary gland and stimulates FSH secretion and LH synthesis in females. Inhibin is produced by the nurse cells of the testes and inhibits the secretion of FSH.

Gonadatropin-releasing hormone (GnRH) is released from the anterior pituitary gland and stimulates FSH secretion and LH synthesis in females.

What are the three sequential stages of the uterine cycle? Menses, luteal phase, and postovulatory phase Menses, proliferative phase, and secretory phase Menses, follicular phase, and preovulatory phase Menses, proliferative phase, and follicular phase

Menses, proliferative phase, and secretory phase

In a 28-day cycle, estrogen levels peak at __________. day 7 day 14 day 28 day 1

day 14

Which of the following statements about the vagina is not true? During pregnancy, the vagina produces progesterone. At the proximal end of the vagina is the external cervical os. The hymen separates the vagina and the vestibule until the initial sexual intercourse. The vagina contains rugae.

during pregnancy, the vagina produces progesterone