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Displaying 461-470 of 854 results.
Which of the following statements does NOT describe the role of luteinizing hormone (LH) in the female reproductive system?
Select one:
Stimulates the production of progesterone
 Stimulates the development of the corpus luteum
Causes the release of mature ovum from ovary
Suppresses the production of estrogen
 
 
 
Which of the following statements does NOT describe the role of progesterone in the female reproductive system?
Select one:
Ensures that the endometrium is thick enough to support a fetilized egg
Prevents smooth muscle contraction, thereby preventing premature birth
Triggers the thickening of the endometrium
Prevents the shedding of the endometrium

Posted 5 years ago by miyaomar in Biology 30 | 0 answers
#sensory pathway #receptors #tactileacuity 

Use the following information to answer the next two questions.Birth control pills are oral contraceptives taken by women to prevent pregnancies. The most effective forms of birth control pills contain estrogen and a small amount of progestin (a synthetic hormone that mimics the effects of progesterone).
 
Question text
The role of estrogen in the birth control pill is to
Select one:
. reduce the progesterone levels in the blood to limit the endometrium buildup
suppress the shedding of endometrium, thus preventing menstruation
negatively feedback to the anterior pituitary to suppress the production of GnRH
 prevent a rise in the FSH and LH levels, thereby preventing follicle maturation
 
 
Teratomas in the pituitary glands are very rare tumours that occur in children and young adults. Usual symptoms of teratoma are diabetes insipidus, neurological issues, and a reduction in pituitary hormones.Which of the following correctly describes the symptoms of a 10-year-old girl with a teratoma tumour in the pituitary gland?
Select one:
 Decreased levels of ADH and inhibition of the development of secondary sexual characteristics
 Increased levels of ADH and stimulation of the development of secondary sexual characteristics
. Decreased levels of FSH and stimulation of the development of secondary sexual characteristics
 Increased levels of FSH and inhibition of the development of secondary sexual characteristics

Posted 5 years ago by miyaomar in Biology 30 | 0 answers
#female reproduction #sensory pathway #receptors 

Which of the following statements correctly describes the role of androgens in the male reproductive system?
Select one:
 GnRH is released by the anterior pituitary and stimulates the release of FSH and LH.
LH stimulates the Sertoli cells to produce inhibin and to start spermatogenesis.
Increased levels of inhibin released by the interstitial cells results in lower levels of FSH and testosterone.
Increased levels of testosterone feedbacks negatively to the anterior pituitary and hypothalamus.
 
 
Around day 21 of the 28-day cycle, administration of estrogen and progestin is stopped for 7 days. Low levels of progesterone result in
Select one:
menstruation, as the endometrium is built up and maintained by progesterone
. suppression of GnRH in the hypothalamus and FSH and LH in the anterior pituitary
 increased levels of estrogen released by the corpus luteum
 increased levels of FSH and LH, resulting in a mature follicle
 
 
 
 
Use the following information to answer the next two questions.Birth control pills are oral contraceptives taken by women to prevent pregnancies. The most effective forms of birth control pills contain estrogen and a small amount of progestin (a synthetic hormone that mimics the effects of progesterone).
 
Question text
The role of estrogen in the birth control pill is to
Select one:
. reduce the progesterone levels in the blood to limit the endometrium buildup
suppress the shedding of endometrium, thus preventing menstruation
negatively feedback to the anterior pituitary to suppress the production of GnRH
 prevent a rise in the FSH and LH levels, thereby preventing follicle maturation

Posted 5 years ago by miyaomar in Biology 30 | 0 answers
#endometrium #female reproduction #male 

Hormone replacement therapy (HRT) is common treatment for postmenopausal women. It is often used to relieve the symptoms of menopause; and one of the benefits of HRT is the reduction in osteoporosis-related fracture cases.Which of the following structures performs a similar function in the female reproductive system as hormone replacement therapy would?
Select one:
 Anterior pituitary gland
. Hypothalamus
 Maturing follicle
 Ovum
 
 
One of the roles of follicle stimulating hormone (FSH) in the female reproductive system is
Select one:
. to promote menstruation during the follicular stage
to promote menstruation during the luteal stage
 to trigger the thickening of the endometrium in the follicular stage
 to trigger the thickening of the endometrium in the luteal stage
 
 
 

Posted 5 years ago by miyaomar in Biology 30 | 1 answers
#female reproduction #sensory pathway #receptors 

The endometrium rebuilds primarily during what phase of the menstrual cycle?
Select one:
Luteal stage
 It is continuously rebuilding
Follicular stage
 Uterine cycle
 
 
Although the most effective forms of oral contraceptive for women contain estrogen and progestin, some birth control pills contain a small dose of progestin only. This is because there are many risks and side effects associated with estrogen.Which of the following statements is NOT a reason for using a progestin-only oral contraceptive?
Select one:
Progestin-only oral contraceptives prevent the production of FSH and LH in the anterior pituitary.
Prgesterone suppresses the production of GnRH in the hypothalamus.
Progesterone suppresses the maturation of follicles, thereby preventing ovulation of a mature ovum.
 Progesterone maintains the corpus luteum as corpus luteum releases a large amount of progesterone and some estrogen.

Posted 5 years ago by miyaomar in Biology 30 | 1 answers
#female reproduction #sensory pathway #receptors 

Each of the four female reproductive hormones (FSH, LH, estrogen & progesterone) have specific roles or functions to complete to ensure a successful pregnancy. While these hormones may be released at different time during an average 28 day cycle there are key times in the cycle where their release is critical in ensuring a successful pregnancy.
 
Which of the following lists the order of hormonal release from days 0-28 required to support the fertilization and implantation of the ovum?
Select one:
 LH, FSH, estrogen, progesterone
 FSH, estrogen, progesterone, LH
 FSH, LH, estrogen, progesterone
FSH, estrogen, LH, progesterone
 
Hormone replacement therapy (HRT) is common treatment for postmenopausal women. It is often used to relieve the symptoms of menopause; and one of the benefits of HRT is the reduction in osteoporosis-related fracture cases.Which of the following structures performs a similar function in the female reproductive system as hormone replacement therapy would?
Select one:
 Anterior pituitary gland
. Hypothalamus
. Maturing follicle
 Ovum

Posted 5 years ago by miyaomar in Biology 30 | 1 answers
#female reproduction #sensory pathway #receptors 

Which of the following statements does NOT correctly describe the role of inhibin in the male reproductive system?
Select one:
 Sertoli cells produce sperm and secrete inhibin.
 Increased levels of inhibin suppress the production of follicle stimulating hormone.
 Inhibin decreases the production of sperm.
Low levels of inhibin result in decreased production of sperm.

Posted 5 years ago by miyaomar in Biology 30 | 1 answers
#inhibin #decrease #male 

Which of the following statements does NOT correctly describe the role of inhibin in the male reproductive system?
Select one:
 Sertoli cells produce sperm and secrete inhibin.
 Increased levels of inhibin suppress the production of follicle stimulating hormone.
 Inhibin decreases the production of sperm.
 Low levels of inhibin result in decreased production of sperm.
 
 
Which of the following statements correctly describes the role of androgens in the male reproductive system?
Select one:
 GnRH is released by the anterior pituitary and stimulates the release of FSH and LH.
. LH stimulates the Sertoli cells to produce inhibin and to start spermatogenesis.
 Increased levels of inhibin released by the interstitial cells results in lower levels of FSH and testosterone.
 Increased levels of testosterone feedbacks negatively to the anterior pituitary and hypothalamus.

Posted 5 years ago by miyaomar in Biology 30 | 0 answers
#hormones #gnrh #female reproduction 

Although the most effective forms of oral contraceptive for women contain estrogen and progestin, some birth control pills contain a small dose of progestin only. This is because there are many risks and side effects associated with estrogen.Which of the following statements is NOT a reason for using a progestin-only oral contraceptive?
Select one:
 Progestin-only oral contraceptives prevent the production of FSH and LH in the anterior pituitary.
 Prgesterone suppresses the production of GnRH in the hypothalamus.
Progesterone suppresses the maturation of follicles, thereby preventing ovulation of a mature ovum.
Progesterone maintains the corpus luteum as corpus luteum releases a large amount of progesterone and some estrogen.

Posted 5 years ago by miyaomar in Biology 30 | 0 answers
#pregnancy #iris #sensory pathway 

Which of the following rows correctly describes the hormone levels during ovulation?
Select one:
a.  Hormone Level Hormone Level FSH Low Estrogen Low
b.  Hormone  Level Hormone Level Estrogen High LH High
c.  Hormone Level Hormone Level Estrogen Low Progesterone Low
d.  Hormone Level Hormone Level Progesterone High FSH High

Posted 5 years ago by miyaomar in Biology 30 | 1 answers
#hormones #fsh #lh 

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