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Displaying 471-480 of 858 results.
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 6 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 6 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 6 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 6 years ago by miyaomar in Biology 30 | 1 answers
#hormones #fsh #lh 

Which of the following statements about gender development is NOT correct?
Select one:
 XX females can develop male sex organs in the presence of testosterone.
The testis-determining factor gene on the Y chromosome stimulates the production of male hormones.
To be genetically male, one X chromosome and one Y chromosome are required.
. XY males will develop male sex organs without the presence of androgens.
 
 
Which of following scenarios does NOT result in the development of male reproductive organs?
Select one:
 Increasing levels of testosterone
Presence of SRY gene
Absence of interstitial cells
. XY chromosomes

Posted 6 years ago by miyaomar in Biology 30 | 1 answers
#hormones #help #chromosomes 

Which of the following statements about gender development is NOT correct?
Select one:
 XX females can develop male sex organs in the presence of testosterone.
 The testis-determining factor gene on the Y chromosome stimulates the production of male hormones.
To be genetically male, one X chromosome and one Y chromosome are required.
 XY males will develop male sex organs without the presence of androgens.
 

 

Posted 6 years ago by miyaomar in Biology 30 | 0 answers
#genetics #reproductive #help #please 

Which of the following statements about gender development is NOT correct?
Select one:
XX females can develop male sex organs in the presence of testosterone.
 The testis-determining factor gene on the Y chromosome stimulates the production of male hormones.
To be genetically male, one X chromosome and one Y chromosome are required.
 XY males will develop male sex organs without the presence of androgens.

Posted 6 years ago by miyaomar in Biology 30 | 0 answers
#female reproduction #sensory pathway #receptors 

Which of the following statements about gender development is NOT correct?
Select one:
 XX females can develop male sex organs in the presence of testosterone.
The testis-determining factor gene on the Y chromosome stimulates the production of male hormones.
To be genetically male, one X chromosome and one Y chromosome are required.
. XY males will develop male sex organs without the presence of androgens.

Posted 6 years ago by miyaomar in Biology 30 | 0 answers
#female reproduction #sensory pathway #receptors 

Decreased immunity is a symptom of HIV/AIDS. This is caused by which of the following?
Select one:
. HIV destroys antigens. This decreases the possibility of recognizing pathogens in the future.
 HIV attacks the macrophages. Pathogens cannot be destroyed once they enter the body.
 HIV attacks the helper T cells. This allows pathogen cells to enter the body unnoticed.
. HIV destroys memory T cells. If the body is infected again, there is no antibodies to fight an infection
 
 
Which of the following statements about gender development is NOT correct?
Select one:
XX females can develop male sex organs in the presence of testosterone.
The testis-determining factor gene on the Y chromosome stimulates the production of male hormones.
To be genetically male, one X chromosome and one Y chromosome are required.
XY males will develop male sex organs without the presence of androgens..

Posted 6 years ago by miyaomar in Biology 30 | 1 answers
#hormones #fetal development #hiv 

A number of STIs are asymptomatic (present no symptoms). Therefore, affected persons can carry a disease without knowing they have it. Which of the following statements consider the economic perspective of carrying an STI for a time without knowledge of it?
Select one:
People who have contracted hepatitis B could be asymptomatic. This could cause them to transfer the disease without knowing it through sexual contact.
Gonorrhea can spread to the joints. People who have affected mobility often need the help of their family to help them survive.
If a person does not know they have syphilis and become pregnant, the developing embryo could have birth defects.
 Untreated chlamydia can cause PID. This increases the number of annual patient referrals to the infertility clinic, which then increases the demand of the already low number of fertility specialists in Alberta.

Posted 6 years ago by miyaomar in Biology 30 | 1 answers
#female reproduction #sensory pathway #receptors 

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