The LH surge causes
A) endometrium build-up.
B) ovulation.
C) All of the choices are correct.
D) menses.
The LH surge causes
A) endometrium build-up.
B) ovulation.
C) All of the choices are correct.
D) menses.
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Related questions
1. The site of implantation of a fertilized ovum is
A.The uterus |
B.. | The ovaries |
C. | The vag ina |
D. | The cervix |
2. Which statement correctly describes the secretory phase of the uterine (menstrual) cycle?
A. | Follicle stimulating hormone stimulates proliferation of the endometrium |
B. | During this phase, the endometrium detaches and sheds |
C. | Progesterone stimulates the endometrium to prepare for implantation |
D. | Decreased progesterone levels cause the endometrial cells to die |
Which events in the monthly female reproductive cycle occur simultaneously?
A. Menstruation and the estrogen surge |
B. | Endometrial proliferation and development of the vesicular follicle |
C. | Degeneration of the corpus luteum and increased LH and FSH secretion |
D. | The secretory phase in the uterus and decreased progesterone levels |
Please give some explanations, thanks.
QUESTION 5
Robert Wadlow suffered from gigantism. He probably had ahormone-secreting tumor. Where was this tumor most likelylocated?
anterior pituitary | ||
posterior pituitary | ||
thyroid | ||
adrenal cortex |
10 points
QUESTION 6
Which of the following is an example of parthenogenesis?
fragmentation of a sea start (new individual grows from onearm) | ||
development of a chicken from an unfertilized egg | ||
two sexes in a single fish | ||
sex change in adult fish (female to male) |
10 points
QUESTION 7
You are studying two populations of rotifers. In Population 1,you find significantly higher genetic diversity than in Population2. You also observe that females in Population 2 have significantlymore offspring, most of which are haploid, whereas in Population 1,females have fewer diploid offspring. What is the most likelyexplanation of the differences between the rotifer populations?
Population 1 reproduces by budding while Population 2 reproducesby regeneration. | ||
Population 1 reproduces by regeneration while Population 2reproduces sexually. | ||
Population 1 reproduces sexually while Population 2 reproducesby parthenogenesis. | ||
Population 1 reproduces by parthenogenesis while Population 2reproduces by budding |
10 points
QUESTION 8
If you were to inject a substance that prevents the hypothalamusfrom releasing GnRH near the end of the follicular phase of anotherwise normally functioning female, what would be the mostlikely result?
FSH and LH levels would not surge normally and ovulation wouldnot occur | ||
FSH levels would surge, but LH levels would not; normalovulation would occur | ||
FSH and LH levels would surge to levels above normal andhyperovulation (release of eggs from multiple follicles) wouldoccur | ||
SH would not surge, but LH would; ovulation would not occur |