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Final Exam - Bio 2320 (reproductive and urinary systems) fully solved
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Final Exam - Bio 2320 (reproductive and urinary systems) fully solved
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Final Exam - Bio 2320 (reproductive andurinary systems)
What is the main purpose of the male reproductive system? - correct answer ✔✔impregnate the female
What are the primary gonads in the male? - correct answer ✔✔testes
What are the accessory male sex organs? - correct answer ✔✔-complex set of duct and tubules leading
to the penis
-a group of male accessory glands
-the penis
What does the scrotum do? - correct answer ✔✔supports and protects testes
Which testes is lower and why? - correct answer ✔✔Left because it allows them to avoid collusions
when compressed toward the midline.
What is the idea temperature for the testes? - correct answer ✔✔94 F or 34.4 C
What is the scrotum homologous to in the female? - correct answer ✔✔labia majora
What is the scrotal septum? - correct answer ✔✔fibrous septum that divides the scrotum into left and
right halves
Why is the scrotal septum so important? - correct answer ✔✔compartmentalization helps to limit
trauma or disease to one testis so fertility will remain
What is the seam called that extends from the anus to the scrotum? - correct answer ✔✔raphe
,What is the dartos muscle? - correct answer ✔✔smooth muscle that wrinkles scrotal skin
What happens to the testes when exposed to elevated temperatures? - correct answer ✔✔The dartos
muscle relaxes, which unwrinkles the skin of the scrotum and allows the testes to be placed further from
the body
What does the cremaster muscle do? - correct answer ✔✔raises and lowers testes
What happens to the testes when they are exposed to reduced temperatures? - correct answer
✔✔dartos and cremaster muscles contract, pulling the testes and scrotum closer to the body in order to
conserve heat
The cremaster muscle is a continuation of what muscle? - correct answer ✔✔internal oblique muscle
What is the spermatic cord? - correct answer ✔✔blood vessels and nerves to the testis travel from
within the abdomen to the scrotum in a multilayered structure
What are the three layers of the spermatic cord? - correct answer ✔✔internal spermatic fascia
cremaster muscle/cremaster fascia
external spermatic fascia
What part of the penis can be contracted voluntarily? - correct answer ✔✔cremaster muscle
What are the structures within the spermatic cord? - correct answer ✔✔ductus deferens
pampiniform plexus
testicular artery
testicular nerve
What do the testes produce? - correct answer ✔✔sperm and testosterone (androgens)
, What membrane covers the testes? - correct answer ✔✔tunica vaginalis
T or F: a portion of the peritoneal membrane, tunica vaginalis, extends into the scrotum during
development - correct answer ✔✔true
How many layers are there of the tunica vaginalis in adult? - correct answer ✔✔Two: visceral and
parietal layer
How many wedge shaped lobules are the testes subdivided into? - correct answer ✔✔250-300
What do the lobules in the testes contain? - correct answer ✔✔seminiferous tubules
Where does sperm production take place? - correct answer ✔✔seminiferous tubules
What is spermatogenesis? - correct answer ✔✔production of sperm
How many sperm are release every second by the seminiferous tubules in the lobules of the testes? -
correct answer ✔✔1,000s
How many sperm are produced by the seminiferous tubules every day? - correct answer ✔✔millions
What are the two other names for sustentacular cells? - correct answer ✔✔nurse cells or sertoli cells
What do sustentacular / nurse / sertoli cells do? - correct answer ✔✔assist with sperm development,
provide a protective environment, and create a barrier between sperm cells and circulatory system
What are the spaces surrounding the seminiferous tubules called? - correct answer ✔✔interstitial spaces
What are within the interstitial spaces? - correct answer ✔✔interstitial cells
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