Chapter 27 Reproductive System A&P2 Final

The normal mature human spermatozoan contains 1) 23 chromosomes 2) 23 pairs of chromosomes 3) 46 chromosomes 4) 46 pairs of chromosomes

23 chromosomes

All of the following are true about the mammary gland, except: 1) It is a modified sweat gland 2) Adipose tissue in the gland increases at puberty 3) Lies posterior to the pectoralis major muscle 4) Prolactin and oxytocin control lactation

Lies posterior to the pectoralis major muscle

Preparation and maintenance of the endometrium for embryo implantation is the major function of which hormone? 1) Lutenizing hormone (LH) 2) Progesterone 3) Human chorionic gonadotropin (HCG) 4) follicle-stimulating hormone (FSH) 5) Gonadotropin-releasing hormone (GnRH)

Progesterone

The posterior wall of the vagina is related to the? 1) Urethra 2) Urinary bladder 3) Rectum 4) None of the above

Rectum

Which of the following does NOT occur after ovulation? 1) The uterus secretes estrogen and progesterone. 2) The endometrium is stimulated to grow. 3) The secretion of LH is inhibited 4) The secondary oocyte travels down the uterine tube.

The uterus secretes estrogen and progesterone.

Which layer of the uterus is shed during menstruation? 1) myometrium 2) endometrium 3) perimetrium 4) myometrium and endometrium

endometrium

Which of the below areas is the primary region of sperm storage and maturation. 1) epididymis 2) seminiferous tubules 3) seminal vesicle 4) uterus 5) urethra

epididymis

The cells needed to provide spermatogenesis are 1) sustentacular, luteal and prostatic cells 2) spermatogenic, sustentacular and epididymal cells 3) interstitial, spermatogenic and Sertoli cells 4) interstitial, epididymal and spermatogenic cells

interstitial, spermatogenic and Sertoli cells

The layer of the uterus responsible for contraction is the 1) perimetrium 2) myometrium 3) fundus 4) endometrium 5) fimbria

myometrium

The release of the secondary occyte from the ovary is called: 1) the luteal phase 2) ovulation 3) follicular phase 4) secretory pahse 5) proliferative phase

ovulation

During the secretory phase of the menstrual cycle: 1) estrogen reaches it's highest levels 2) LH reaches it's highest levels 3) progesterone levels are at their highest 4) the Graafian folicle forms

progesterone levels are at their highest

The function of the testes is the production of 1) semen 2) ova and the male hormone estrogen 3) sperm and the male hormone estrogen 4) ova and the male hormone testosterone 5) sperm and the male hormone testosterone

sperm and the male hormone testosterone

Sustentacular (Sertoli) cells in the testes are responsible for 1) supporting and nourishing sperm 2) releasing LH 3) maintaining testosterone levels in body 4) maintaining temperature levels in scrotum 5) production of semen

supporting and nourishing sperm

What is the normal sperm count? 1) 50-100/ml 2) 500 - 1000/ml 3) 5000 -10000/ml 4) 50,000 -100,000/ml 5) 50 million -100 million/ml

50 million -100 million/ml

The testis are present in the scrotum because they need a higher temperature in order to be functional. 1) True 2) False

False. The testis are present in the scrotum because they need a LOWER temperature in order to be functional.

Women are more prone to osteoporosis after menopause sets in because? 1) They become old 2) The levels of calcitonin and parathormone decline. 3) The levels of estrogen and progesterone decline 4) Calcium is no longer reabsorbed into their blood.

The levels of estrogen and progesterone decline

Which of the following statements applies to the testis correctly? 1) The tunica vaginalis covers the testis 2) Each lobule of the testis contains 8-12 coiled epididymis tubules 3) the Leydig cells are nutritive to the sperms 4) The Sertoli cells secrete testosterone

The tunica vaginalis covers the testis

Two hormones produced by the ovaries are 1) estrogen and progesterone 2) estrogen and Lutenizing hormone (LH) 3) progesterone and follicle-stimulating hormone (FSH) 4) Lutenizing hormone (LH) and human chorionic gonadotropin (hCG) 5) human chorionic gonadotropin (hCG) and follicle-stimulating hormone (FSH)

estrogen and progesterone

The function of the fimbria of the fallopian tube is to? 1) Provide nutrition to the developing zygote 2) Provide nutrition to the secondary oocyte 3) Keep the fallopian tube anchored to the ovary 4) grab the secondary oocyte, as soon as ovulation occurs

grab the secondary oocyte, as soon as ovulation occurs

The cells that produce testosterone in the testis are called 1) sustentacular cells 2) interstitial cells 3) spermatogonia 4) follicular cells 5) spermatocytes

interstitial cells

Ovulation is stimulated by a peak or surge in concentration of which hormone? 1) progesterone 2) aldosterone hormone 3) leutinizing hormone 4) follicle splitting hormone 5) GNRH

leutinizing hormone

The ability of the sperms to move along the ductus deferens is due to: 1) gravity 2) muscular peristalsis 3) enzymatic activity 4) hormonal action

muscular peristalsis

The seminal vesicles: 1) produces 90% of the seminal fluid 2) is attached to the base of the penis 3) produces a secretion rich in fructose 4) encircles the upper part of the urethra

produces a secretion rich in fructose

The gland that provides an alkaline, nutritive fluid for the sperms is the 1) epididymis 2) testicular gland 3) prostate 4) seminal vesicle

seminal vesicle

Spermatozoa are produced in which of the following structures? 1) vas deferens 2) seminal vesicle 3) epididymis 4) seminiferous tubules 5) Interstitial cell area

seminiferous tubules

What is responsible for dividing the testis into lobules? 1) ductus defrens 2) seminiferous tubules 3) septae from tunica vaginalis 4) septal extensions of the tunica albuginea

septal extensions of the tunica albuginea

The cells that construct the blood-testis barrier and provide nourishment for spermatogenic cells are 1) sustentacular cells 2) interstitial cells 3) spermatogonia 4) follicular cells 5) spermatocytes

sustentacular cells

Which of the following statements is TRUE about the fallopian tube? 1) the ampulla is the narrowest portion 2) the isthmus is the normal site of fertilization 3) the cilia of the fallopian tube set up currents which help propel the zygote 4) the fimbria are found at the medial end of the fallopian tube

the cilia of the fallopian tube set up currents which help propel the zygote

Rising levels of FSH stimulate 1) the uterus to contract 2) the fallopian tubes to undergo peristaltic-like contractions 3) the vagina to undergo peristaltic-like contractions 4) the ovarian follicles to develop

the ovarian follicles to develop

The corpus luteum is: 1) the ruptured follicle left behind in the ovary after ejection of the secondary oocyte 2) the follicle which contains the mature ovum 3) the ruptured follicle in the uterus 4) a part of the placenta that produces progesterone

the ruptured follicle left behind in the ovary after ejection of the secondary oocyte

The role of the dartos muscle is: 1) to contract and push sperm along the ductus defrens 2) to regulate the temperature of the testis 3) to cause erection of the penis 4) to contract to allow ejaculation

to regulate the temperature of the testis

The anterior wall of the vagina is related to the: 1) sacrum 2) pubic symphisis 3) urethra 4) rectum 5) anal canal

urethra

The secretions of the prostate gland are poured into the: 1) ejaculatory duct 2) seminal vesicle 3) ductus defrens 4) tunica vaginalis 5) urethra

urethra

Fertilization of the secondary oocyte by sperm occurs normally in which area? 1) uterine tube 2) vagina 3) cervix of uterus 4) fundus of uterus 5) ovary

uterine tube