Function of Progesterone and Estrogen in Oral Pills

Q. Oral contraceptives prevent ovulation by inhibiting the secretion of

1. Follicle stimulating hormone
2. Lutenizing hormone
3. Progesterone hormone
4. Both (a) and (b)

Q. (a) Name and explain the mode of action of any two types of IUDs.

(b) List the advantages of using 'Saheli' as a contraceptive. [3 Marks]

Q. Which of the following is not a mechanism of action of hormonal contraceptives?

1. Inhibiting the release of gonadotropins
2. Making the uterus unsuitable for implantation
3. Modifying the estrogen receptors in the uterus
4. Secretion of thick mucus which blocks the entry of sperms

Q. Which among the following options are correct regarding spermicidal creams, jellies and foams?

1. They can inhibit sperm motility
2. Their effect is long-lasting
3. They can degenerate the cell membrane of the sperm
4. Both a and c

Q. Give the functions of the following:
(a) Corpus luteum (b) Endometrium
(c) Acrosome (d) Sperm tail
(e) Fimbriae

Q. Which of the following is not a component of oral pills?

1. Progesterone
2. Estrogen
3. Follicle stimulating hormone
4. Leutinizing hormone

Q. Oral contraceptives prevent ovulation by inhibiting the secretion of

1. Follicle stimulating hormone
2. Lutenizing hormone
3. Progesterone hormone
4. Both (a) and (b)

Q. Oral contraceptives prevent ovulation by inhibiting the secretion of

1. Follicle stimulating hormone
2. Lutenizing hormone
3. Progesterone hormone
4. Both (a) and (b)

Q.

Progesterone is used in hormonal IUDs in order to`

1. Adversely affect sperm survival

2. All the above

3. Induce thinning of endometrium

4. Thicken cervical mucus

Q. Which among the following options are correct regarding spermicidal creams, jellies and foams?

1. They can inhibit sperm motility
2. Their effect is long-lasting
3. They can degenerate the cell wall of the sperm
4. Both a and c

Q. The role of the corpus luteum and the hormones it produces ends

1. at the time of embryonic implantation in the uterus
2. With the formation of the placenta
3. during the second trimester of pregnancy
4. just prior to parturition

Q. which are hormone releasing iud?

Q. Which of the following is/are the functions of an oral contraceptive?

1. Prevents implantation
2. Prevents entry of sperms
3. Prevents fertilisation
4. Prevents ovulation

Q. Which of the following contraceptive methods correctly matches with its mode of action?

1. Tubectomy → Make the uterus unstable for implantation
2. Oral pills → Inhibit ovulation and implantation
3. Diaphragms → Spermicidal and increases phagocytosis of sperms within the uterus
4. IUDs → Blocks gamete transport

Q. Match the columns:

	I		II
$a$	Triglyceride	$1.$	Animal Hormone
$b$	Membrane lipid	$2.$	Feather and leaves
$c$	Steroid	$3.$	Phospholipids
$d$	Wax	$4.$	Fat stored in the form of droplets

1. $a-4,b-3,c-1,d-2$
2. $a-2,b-3,c-4,d-1$
3. $a-3,b-4,c-1,d-2$
4. $a-4,b-1,c-2,d-3$
5. $a-4,b-3,c-2,d-1$

Q. Which of the following is/are the functions of an oral contraceptive?

1. Prevents implantation
2. Prevents entry of sperms
3. Prevents fertilisation
4. Prevents ovulation

Q. Placenta produces

1. GH
2. ACTH
3. Gastrin
4. Progesterone

Q. How Is the level of gonadotropin hormones affected during lactational amenorrhoea

Q. Urine of the would-be mother contains

1. Progesterone
2. FSH
3. Luteinising hormone
4. Chorionic gonadotropin

Q. Ovulation in females is under the control of _____________.

1. ADH and LH
2. LH
3. TSH and LH
4. LTH and TSH

Q. The presence of a hymen is the indication of virginity, while its absence means the reverse. Discuss the authenticity of the statement in the light of modern understanding of the female reproductive system?

Q. Choose the odd one in each of the following:
Relaxin; cervix dilates; amniotic sac ruptures; childbirth; the follicle.

Q. Select the correct statement among the following.

1. 'Saheli' is a new contraceptive for males
2. A combination of progestogen and estrogen is injected or implanted under the skin as an effective contraceptive
3. Ovulation is facilitated by breast-feeding
4. Condoms are available only for males