bio lecture assignment 11

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Identify all the correct matched pairs. A. Leydig cells making testosterone - J B. Hormone from the hypothalamus - L C. Hormone FSH - E D.Involved in spermatogenesis - J and I E. Involved in secondary sex characteristics - F and G F. Produced by the anterior pituitary gland - L, E and K.

A- Leyden cells making testosterone B. Hormone from the hypothalamus D. involved in spermatogenesis - J and I F. produced by the anterior pituitary gland - L,E,K

Identify the epididymis, urethra, ejaculatory duct and the bulbourethral gland. -G, F, E, C -G, E, C, F -D, E, F, B -H, G, E, D

A. G,F,E,C

Nurse or sertoli cells are involved in -coordinating spermatogenesis - -forming the blood-testis barrier- -spermatogenesis -A and C only -A, B, and C

- A, B, and C

On slide 16, which of the following are found between the skin and the testes? A. tunica vaginalis B. Dartos muscle C. tunica albuginea D. cremaster muscle E. epididymis

e. epididymis

The hormone, testosterone is produced by A. interstitial cells. B. adenohypophysis. C. suprarenal cortex. D. nurse cells. E. hypothalamus.

A . interstitial cells

Select the correct path spermatozoa travel from where they are produced to the vas deferens. A. Seminiferous tubules - straight tubules - rete testes - efferent ductules - head of the epididymis - body of the epididymis - tail of the epididymis - vas deferens B. Seminiferous tubules - - rete testes - straight tubules - head of the epididymis - efferent ductule - body of the epididymis - tail of the epididymis - vas deferens C. Seminiferous tubules - straight tubules - rete testes - efferent ductules - tail of the epididymis - head of the epididymis - body of the epididymis - vas deferens D. Seminiferous tubules - head of the epididymis - body of the epididymis - tail of the epididymis - straight tubules - rete testes - efferent ductules - - vas deferens

A. Seminiferous tubules - straight tubules - rete testes - efferent ductules - head of the epididymis

Which structure is the location where sperm maturation occurs? A. epididymis B. seminal vesicle C.testis D. ductus deferens

A. epididymis

Where is the testis located? A. inside the scrotum B. lateral to the bladder C. inside the pelvis cavity D. medial to the prostate

A. inside the scrotum

All of these are found in a portion of a seminiferous tubule except A. Interstitial cells B. Nurse cells C. Spermatids D. Spermatogonia E. Spermatozoa

A. interstitial cells

Which of the following is mismatched? A. secretory phase -- occurs during the luteterm-4al phase- B. Prostate gland -- contains semen C. seminal fluid -- the production of fructose D. functional zone -- undergo changes during menstrual cycle

A. secretory phase -- occurs during the luteterm-4al phase-

Flow of sperm from the seminiferous tubules to the vas deferens following which of the following path? A. seminiferous tubules, straight tubule, rete testis, efferent ductules, epididymis, vas deferens B. . seminiferous tubules, rete testis, epididymis, straight tubule,vas derens. C. seminiferous tubules, rete testis, straight tubule, efferent ductules, epididymis, vas deferens. D. seminiferous tubules, efferent ductules, rete testis, epididymis, straight tubule,vas deferens.

A. seminiferous tubules, straight tubule, rete testis, efferent ductules, epididymis, vas deferens

During sperm production which process is involved in the maturation of spermatids to spermatozoa? -Spermiogenesis -Meiosis -Spermiation -A and B

A. spermiogeneis

Identify the choice from below. A. Testosterone - secondary sex characteristics B. FSH - stimulate sperm production C. LH - stimulate leydig or interstitial cells to release GnRH D. GnRH - anterior pituitary gland - release of FSH and LH.

A. testosterone - secondary sex charcateristic B. FSH - stimulate sperm production D. GnRH - anterior pituitary gland - release of FSH and LH - all correct statements.

select only the correct pairs. A. These cells can undergo mitosis - Spermatogonium B. Where fully formed sperms can be found - lumen- C. Developing sperm undergoing meiosis - Interstitial cells - D. These are almost fully formed sperm cells - nurse cells

A. these cells undergo mitosis- spermatogonium

Which of these layers is closest to where sperm is actually produced? A. Tunica albuginea B. Tunica vaginalis C. The cremaster muscle D. Dartos muscle

A. tunica albuginea

The spermatic cord is A. a narrow opening that links the scrotal chamber with the peritoneal cavity. B. a bundle of tissue that contains the ductus deferens, blood vessels, nerves, and lymphatics that serve the testis.- C. a layer of smooth muscle in the skin of the scrotal sac. the external marking of the boundary between the two chambers of the scrotum. D. a dense layer of connective tissue that surrounds the testis.

B. a bundle of tissue that contains the ductus deferens, blood vessels, nerves and lymphatics that serve the testis.

Select the INCORRECT statements. THERE MAY BE MORE THAN ONE INCORRECT ONES. A. The uterus provides protection, nourishment and waste removal for the developing embryo. B. Only the corpora cavernos and not the corpus spongiosum is erectile tissue. C. The ductus deferens stores and transports sperm. D. The inner glandular mucosa of the uterus is the myometrium. E. The prostate fluid contains antibiotic and is part of semen.

B. only the corpora cavernous and not the corpus spongiosium is erectile tissue D. The inner glandular mucosa of the uterus is the myometrium.

Straight tubules originate at the seminiferous tubules join the A. tunnels of love. B. rete testis. C. ductus deferens. D. efferent ducts. E. epididymis.

B. rete testis

The reproductive system A. stores and transports gametes. B. nourishes gametes. C. produces gametes. D. all of the above E. A and B only

D. all of the above

Use Figure 28 -1 to answer the following questions:Identify the structure labeled " 1, 3, 7, 6 and 11." A. bulbourethral gland,spongy urethra, seminal gland (seminal vesicle), ductus deferens, rectum B. seminal gland (seminal vesicle), ductus deferens, spongy urethra, testis, epididymis C. ductus deferens, spongy urethra, testis, epididymis, prostate gland D. corpus cavernosa, spongy urethra, testis, epididymis, prostate gland E. epididymis, straight tubules, vas deferens, testis, epididymis

D. corpus cavernosa, spongy urethra, testis, epididymis, prostate gland

Which of these cells associated with male reproductive system and their function is correct? A. Leydig cells or interstitial cells produce testosterone. B. Spermatogonia are stem cells that continuously produce sperm cells or spermatozoa. C. Nurse cells support development of spermatozoa. D. Only A and B are correct. E. A, B and C are all correct.

E. A, B, C are all correct

Which of the following muscles move the testes towards the body? A. the cremaster B. the biceps brachii C. the tunica muscularis D. the dartos E. both A and D

E. both A and D

Scarring of the rete testis would interfere with a man's ability to A. produce an alkaline semen. B. ejaculate. C. regulate spermatogenesis. D. secrete testosterone. E. deliver spermatozoa to the epididymis.

E. deliver spermatozoa to the epididymis

All of the following are related to nurse cells except A. Nurse cells divide by meiosis during sperm production. B. Secrete inhibin C. Maintain blood-testis barrier D. Support spermatogenesis E. Everything mentioned are related to nurse cells.

a. nurse cells divide by meiosis during sperm production

Which of the following is incorrect about semen? A. contains secretions from all three accessory glands.- B. protects and nourishes the sperm.- C.contains mostly sperm with little glandular secretions. D. aid in the delivery of the sperm into the vagina.

c. contains mostly sperm with little glandular secretions

Functions of the accessory glands of the male reproductive system include all of the following, except A. propelling spermatozoa and fluids along the reproductive tract. B. producing buffers. C. production of spermatozoa. D. activating the spermatozoa. E. Meeting the nutrient needs of spermatozoa for motility.

c. production of spermatozoa

Where does sperm production occur within the testis? A. myoid cells B. rete testis C. seminiferous tubules D. interstitial cells

c. seminiferous tubules

All the following are parts of the spermatic cord except A. Ductus deferens- B. Epididymus and vas deferens C. They are all parts of the spermatic cord. D. Ner

c. they are all part of the spermatic cord


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