Human Reproduction Flashcards

1
Q

After implantation, finger-like projections appear on the ___________________ called
chorionic villi which are surrounded by the _______

A

trophoblast

uterine tissue and maternal blood

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2
Q

In the later

phase of pregnancy, a hormone called relaxin is also secreted by

A

the ovary

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3
Q

during pregnancy the levels of other hormones
like ________________
etc., are increased several folds in the maternal blood.

A

estrogens, progestogens,

cortisol, prolactin, thyroxine,

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4
Q

Pregnancy in dogs, also called the gestation period, is
For cats?
For elephants?

A

63 days
63 days
18-22 months

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5
Q

After __________ of pregnancy, the embryo’s

heart is formed

A

one month

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6
Q

By the end of the
___________ of pregnancy, the foetus develops limbs and digits.

By the end of ________-, most of the major organ systems are formed, for example, the limbs and external genital organs are well developed.

A
second month
12 weeks (first trimester)
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7
Q

The first movements of the foetus and appearance of hair on the head are usually observed during the __________

By the end of about_________, the body is covered with fine hair, eye-lids separate, and eyelashes are formed

A
fifth month
24 weeks (end of second trimester)
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8
Q

The signals for

parturition originate from the fully developed foetus and ________

A

the placenta

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9
Q

The mitotic division starts as the zygote moves through the isthmus of the oviduct called ________ towards the uterus and forms
2, 4, 8, 16 daughter cells called _________.

A

cleavage

blastomeres

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10
Q

LH and FSH peak on the ____ day

A

14th

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11
Q

Androgens stimulate the process of

A

spermatogenesis

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12
Q

FSH acts on the ____________ and stimulates
secretion of some factors which help in the
process of ___________________

A

Sertoli cells

spermiogenesis

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13
Q

The human male ejaculates about 200 to 300
million sperms during a coitus of which, for
normal fertility, at least ______ percent sperms
must have normal shape and size and at least
______ per cent of them must show vigorous
motility.

A

60

40

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14
Q

The functions of

male sex accessory ducts and glands are maintained by the

A

testicular hormones (androgens).

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15
Q

Oogonia start division and enter into

A

prophase-I

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16
Q

The secondary follicle soon transforms into a tertiary follicle which is characterised by a fluid filled cavity called __________.

A

antrum

17
Q

Each ovary is covered by a thin

epithelium which encloses the _____________. The stroma is divided into two zones –

A

ovarian stroma

a peripheral cortex and an inner medulla

18
Q

The epididymis located along the _____________

of each testis

A

posterior surface

19
Q

The Medical Termination of Pregnancy (Amendment) Act which year?
untils __ weeks one medical practioner
to ___-___ weeks, two medical practioners

A

2017
12
12-24

20
Q

Government of India legalised MTP in _____

A

1971

21
Q

Our population which was approximately _________ at the time of our independence reached close to the ___________ mark by 2000 and crossed
____________ in May 2011

A

350 mill
billion
1.2 billion

22
Q

According to the 2011 census report, the population growth rate was

A

less than 2 per cent

23
Q

Periodic abstinence is one such method in which

the couples avoid or abstain from coitus from

A

day 10 to 17

24
Q

Family planning

A

1951

25
Q

Amniocentesis analyzes?

A

fetal cells and dissolved substances