Carlos and his wife had been trying for years to have a baby with no success. Ca
ID: 100618 • Letter: C
Question
Carlos and his wife had been trying for years to have a baby with no success. Carlos had always assumed they lost had bad timing. But recently they had started tracking Marta's cycle and found everything seemed to be on schedule. Finally, at Maria's request, they made an appointment with an Infertility specialist. Carlos was expecting them to order expensive tests. But after the introductions, one of the first things the doctor asked about was what kind of underwear Carlos wore. "What business Is that of yours?* Carlos thought. Then the specialist added, "because that may affect the average temperature of the testes." Sperm production occurs optimally at what temperature? a. 3 degree C above body temperature b. At body temperature c. 3 degree c below body temperature d. Optimal temperature changes with the seasons Next, Carlos was asked to provide a sperm sample. "We're going to analyze the sperm count and morphology." said the doctor. What number should Carlos sperm count be above for that factor to be ruled out as a cause of the couple's infertility? a. 250 million/ml b. 25 million/ml c. 2500/ml d. 250/ml Which Is the correct pathway the sperm would take during ejaculation? a. Seminiferous tubules, rete testis, efferent ductules, epididymis, vas deferens, duct urethra b. Rete testis, seminiferous tubules, efferent ductules, epididymis, vas deferens, urethra, ejaculatory duct c. Epididymis, vas deferens, seminiferous tubules, rete testis, ejaculatory duct, urethra d. Seminiferous tubules, rete testis, epididymis, vas deferens, efferent ductules, urethra, ejaculatory duct What hormone directly stimulates sperm production? a. Estrogen b. Progesterone c. LH d. TestosteroneExplanation / Answer
for question number 3
correct answer is A
that is seminiferous tubules then rete testis then efferent ductulus then epididymis then vas deference then ejacularity duct then urethra.
for question number 4
correct answer is C
that is LH.
explaination
with in the brain hypothalamus and pituitary gland control sperm production.
the hypothalamus secrets GnRH , which act on anterior pituitary gland , stimulating it to release FSH and LH.