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25 Cards in this Set

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A couple has had unprotected intercourse for 16 months and have not become pregnant. They ask if fertility drugs are indicated. Your most accurate response is:
Physical examination should precede the use of fertility drugs because variocele or testicular abnormality can account for 40% of male infertility.
Oocytes that are arrested prior to fertilization have ___ chromosomes and __N DNA
23 chromosomes and 2N DNA
Type B spermatogonia have ___ chromosomes and __N DNA
46 chromosomes and 2N DNA
Spermatids have ___ chromosomes and __N DNA
23 chromosomes and 1N DNA
Oocytes in the mature follicle just prior to ovulation have ___ chromosomes and __N DNA
23 chromosomes and 2N DNA
Primary spermatocytes in prophase I have ___ chromosomes and __N DNA
46 chromosomes and 4N DNA
Spermatozoa have ___ chromosomes and __N DNA
23 chromosomes and 1N DNA
The ovum has ___ chromosomes and __N DNA
23 chromosomes and 1N DNA
The zygote has ___ chromosomes and __N DNA
46 chromosomes and 2N DNA
The first polar body has ___ chromosomes and __N DNA
23 chromosomes and 2N DNA
Ovulation occurs during which phase?
the proliferative phase
Progestrone is produced by the:
Corpus luteum
At what time does regression of the corpus luteum after ovulation occur?
10 - 12 days
How long is the menustral phase of the menustral cycle?
4 - 5 days
The Average time of ovulation after day one of the ovarian cycle?
14 days
usual time of survival spermatozoa in the female reproductive tract
24-48 hours
time after ovulation when ovum can be fertilized
less than 24 hours
approx time for blastocyst to develop after fertilization
4-5 days
ovulation is produced by:
burst of LH
The first few days of the menstrual cycle that follow menstruation are part of the:
proliferative phase
The male gametes with heads, necks, and acrosomes are called:
spermatozoa
Which if the following statements is accurate regarding evaluation of a couple who have not conceived after unprotected sex for 1 1/2 years
Physical exam on both partners should be the first step
Ultrasound confirmation of a pregnancy is prompted by a missed period in 23 yr old healthy woman with 6 implanted embryos...likely explanation:
prior treatment with clomiphene citrate
During gametogenesis, which of the following cells may be static for many years before proceeding to the next stage?
primary oocyte
Freshly manufactures sperm are less capable of fertilization until:
capacitation occurs in the uterus or ovarian tube