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2=Endocrinology > L7 and 8. Reproductive system and contraceptives > Flashcards

L7 and 8. Reproductive system and contraceptives Flashcards

1
Q

Arrange the four structures listed below into the order in which sperm pass from the testis to the urethral meatus.

  1. ductus deferens
  2. urethra
  3. ejaculatory duct
  4. epididymis
A

epidymis, ductus deferens, ejac duct, urethra

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2
Q

what do interstital cells produce?

A

testosterone

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3
Q

role of FSH in males

A

initiate spermatogenesis

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4
Q

The pituitary hormone that stimulates the interstitial cells to secrete testosterone is

A

LH

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5
Q

A primary spermatocyte matures into ________ spermatids having ________ chromosomes.

A

4; 23

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6
Q

Spermatozoa are functionally matured within the

A

epidymis

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7
Q

A boy has a genetic mutation such that FSH is not produced, but LH is normal. After the boy grows to maturity, it is likely he will

  1. not develop secondary sex characteristics.
  2. be sterile.
  3. be impotent.
  4. produce large amounts of inhibin
A

be sterile

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8
Q

The organ that transports the ovum to the uterus is the

A

uterine/fallopian tube

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9
Q

The inferior portion of the uterus that projects into the vagina is the

A

cervix

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10
Q

The surge in luteinizing hormone that occurs during the middle of the ovarian cycle triggers

A

ovulation

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11
Q

what do granulosa cells of developing follicles secrete

A

estradiol

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12
Q

after ovuation, what does the ovary secrete

A

oestrogen and progesterone

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13
Q

The period of gestation when the rudiments of all major organ systems are established is the

  1. first trimester.
  2. second trimester.
  3. third trimester.
  4. fourth trimester.
A

first

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14
Q

The penetration of the endometrium by the blastocyst is referred to as

A

implantation

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15
Q 
The placenta is a source of which of these hormones?
  relaxin
  placental lactogen
  progesterone
  All of the answers are correct.
A

all

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16
Q

During gestation, contraction of the myometrium is inhibited by ________, produced by the corpus luteum.

A

progesterone

17
Q

The organ that carries sperm from the epididymis to the urethra is the

A

vas deferens

18
Q

in a mature human spermatozoan, how many ch does the head contain?

A

23

19
Q

The organ that surrounds the urethra and produces an alkaline secretion is the

A

prostate gland

20
Q 
Semen contains all of the following, except  
  spermatogonia. 
  spermatozoa. 
  prostaglandins. 
  fibrinogen
A

spermatogonia

21
Q

During the proliferative phase of the menstrual cycle,
the corpus luteum is forming.
the functional zone of the endometrium is restored.
the fertilized ovum implants.
the endometrium finalizes the preparation for implantation.

A

functional zone of endometrium is restored

22
Q 
During the secretory phase of the menstrual cycle 
  progesterone levels are high. 
  the fertilized ovum implants. 
  the corpus luteum is formed.
  All of the answers are correct.
A

all

23
Q

T/F: In case of missed combined oral contraceptive pills, if one pill has been missed (more than 24 hours and up to 48 hours) protection is maintained.

A

TRUE

24
Q

T/F In case of missed combined oral contraceptive pills, the remaining pills should be continued at the usual time.

A

TRUE

25
Q

T/F In case of missed combined oral contraceptive pills, if more than one pill has been missed the most recent missed pill should be taken as soon as possible.

A

TRUE

26
Q

T/F In case of missed combined oral contraceptive pills, if more than one pill has been missed, condoms should be used or sex avoided until two consecutive active pills have been taken.

A

FALSE

27
Q

T/F Combined oral contraceptives (COCs) can be initiated on any day of the menstrual cycle.

A

TRUE

28
Q

T/F In case of combined oral contraceptives, If the person have had unprotected sex in the previous 7 days and she has missed two or more pills (i.e. more than 48 hours late) in the first week of a pack, she may need emergency contraception.

A

TRUE

29
Q

T/F With regards to starting the next pack after missing two or more pills (more than 48 hours late) of normal 21 day COCs, if less than seven pills are left in the pack after the missed pill the lady should finish the pack and begin a new one the next day missing out the break.

A

TRUE

30
Q

T/F Progesterone-only pills (POPs) should be taken at the same time of the day and if the pills is overdue by more than 3 hours (12 hours with desogestral) then the woman is not protected.

A

TRUE

31
Q

T/F If Progesterone-only pills (POPs) is missed additional contraceptive method should be used until 2 consecutive pills have been taken.

A

TRUE

32
Q

T/F Desogestrel (DSG) pills may have potential benefits over traditional POPs

A

TRUE

33
Q

CAN St John’s wort reduce the effectiveness of oral contraceptives. - if so why?

A

yes - it is an enzyme inducer

34
Q

T/F Hormone Replacement Therapy (HRT) also provide contraception.

A

FALSE

2=Endocrinology (8 decks)

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