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FREE AND STUDY GAMES ABOUT PHYS_FINAL EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -76 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: Future Male Contraception Calcium channel blockers
Answer:
to block sperm movement Question 2: Sertoli Cells develop tight junctions with neighboring Sertoli Cells forming _____
Answer:
blood-testis barrier
Question 3: NO in penis erection causes
Answer:
vasodilation of the local arteries and relaxation of smooth muscle fiber meshwork of the spongy areas of the penis
Question 4: The acrosome contains these enzymes
Answer:
hyaluronidase and proteases
Question 5: Gonadotropin-releasing hormone (GnRH) from the ______ enters the portal system to the ____
Answer:
hypothalamus, anterior pituitary Question 6: testosterone is processed in the ___ and excreted in the ___ or ____
Answer:
hepatocytes, bile, in the urine Question 7: Sperm, plus secretions from the _____ and ____ pass out of the body via the ______
Answer:
seminal vesicle, prostate, urethra Question 8: The head of a sperm is about ____ in length and the tail in another ____. From cervix through uterus to the egg is _____
Answer:
10um, 60-70um, a long traverse
Question 9: Effects if women take exogenous anabolic steroids
Answer:
all effects as is men, PLUS male pattern body hair, deeper voice, blocked ovulation, miscarriage and fetal damage.
Question 10: The breaking in the egg surface initiates the opening of _____
Answer:
Ca++ channels Question 11: Semen volume at ejaculation contain ____ of total volume from the prostate gland
Answer:
30% Question 12: Only after about ______ in the epididymis do sperm become capable of motility, but inhibitory proteins ____ any movement
Answer:
18-24 hours, prevent
Question 13: spermatocytes are enveloped by the _____, pass through the _____ and develop into sperm.
Answer:
Sertoli Cells, blood-testies barrier Question 14: A layer of germ cells, called _______, surrounds the seminiferous tubule.
Answer:
spermatogonia
Question 15: Testosterone is carried in the blood tightly bound to
Answer:
beta-globulin, sex hormone binding globulin, plasma albumin Question 16: Spongy, golf ball-sized gland surrounding the urethra just below the bladder
Answer:
Prostate Gland Question 17: There are two vas deferens each joined by a _____, and then meet in the ____, within the _____.
Answer:
seminal vesicle, urethra, prostate gland Question 18: From spermatogonia to sperm takes about ____ and occurs throughout a man's lafe.
Answer:
10 weeks
Question 19: Future Male Contraception Adjudin
Answer:
blocks cell adhesion between Sertoli Cells and Spermatiocytes (similar to chemotherapy agents, requires high doses, with some liver damage)
Question 20: LH stimulates _____ to secrete _____
Answer:
Leydig Cells (intersitial cells), testosterone
Question 21: There are ______ seminiferous tubules in each testis, all draining into the ______
Answer:
several hundred, epididymis
Question 22: Future Male Contraception RISUG
Answer:
reversible injection of styrene gel into the vas deferens
Question 23: Parasympathetic neurons release NO which increases cGMP, causing
vasodialation. cGMP is degraded by phosphodiesterase 5 (PDE5). Viagra acts by
Answer:
blocking PDE5, thus the vasodilation and erection remains longer Question 24: The Prostate gland has an alkaline secretion that contains ____, ____, ____, and high concentrations of _____
Answer:
bicarbonate, citrate, calcium, zinc Question 25: Sperm are _____ int he testes, ____ in the spididymis, and ____ through the vas deferens and urethra _____ the body.
Answer:
produced, matured, pass, out
Question 26: Future Male Contraception Various alpha blockers
Answer:
to inhibit ejaculation (ex phenoxybenzamine)
Question 27: With hours testosterone is either absorbed by ____ or___
Answer:
target tissue cells, liver hepatocytes
Question 28: Possible advantage to Exogenous Anabolic Steroids
Answer:
increase muscle mass
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