Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

RUSVM Physiology II > Reproductive Physiology > Flashcards

Reproductive Physiology Flashcards

1
Q

_________ placentas have a cotyledon and placentome

A

Cotyledonary placentas have a cotyledon and placentome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

_____ anestrus is due to insufficient hormonal stimuli

A

True anestrus is due to insufficient hormonal stimuli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Reproductive hormone(s) produced by the placenta

A

Progesterone

Estradiol

hCG/ eCG

Oxytocin

Prostaglandin F2-Alpha

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Before sperm can bind to zona pellucida they must undergo ___________.

A

Before sperm can bind to zona pellucida they must undergo Capacitation.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Phases of differentiation of sperm

A

Golgi Phase

Cap Phase

Acrosome Phase

Maturation Phase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Species that are considered spontaneous ovulators

A

Cow

Sow

Mare

Humans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

________ placentas have band like zone of chorionic villi

A

Zonary placentas have band like zone of chorionic villi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

T/F: T4, T3 and Catecholamines cannont pass through placentas

A

False. They can pass through placentas with some difficulty

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

________: not displaying signs of estrus

A

Anestrus: not displaying signs of estrus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Species with Epitheliochorial placentas

A

Sow

Mare

Ruminants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

____________ induces embryo growth and maintains pregnancy; secretes progesterone.

A

Corpus Luteum induces embryo growth and maintains pregnancy; secretes progesterone.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

_________ of sperm generation involves the transition of spermatogonia to spermatocytes.

A

Proliferation of sperm generation involves the transition of spermatogonia to spermatocytes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

__________: bind to receptor but weak to no biological effect like that of native hormone.

A

Antagonist: bind to receptor but weak to no biological effect like that of native hormone.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

___________ placental unit with abundant blood vessels and connective tissue.

A

Cotyledon placental unit with abundant blood vessels and connective tissue.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Reproduction is regulated by coordination between the _______ system and __________ system.

A

Reproduction is regulated by coordination between the nervous system and endocrine system.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Reproductive hormone(s) produced by the hypothalamus

A

GnRH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

_________ occurs at the spermatocyte stage of sperm production.

A

Meiosis occurs at the spermatocyte stage of sperm production.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Reproductive hormone(s) produced by the Testis

A

Testosterone

Inhibin

Estradiol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What are the components of a receptor

A

Extracellular domain

Transmembrane domain

Intracellular domain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

________ peaks at ovulation (end of the follicular phase)

A

Estradiol peaks at ovulation (end of the follicular phase)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

________: bind to specific receptor and have the same biological response as native hormone.

A

Agonist : bind to specific receptor and have the same biological response as native hormone.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

__________ placentas have regionalized disc of chorionic villi

A

Discoid placentas have regionalized disc of chorionic villi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

____________ : physiological organic substance produced by specialized cells and released into circulatory blood for transport to target tissues to stimulate or inhibit funcion

A

Hormone : Physiological organic substance produced by specialized cells and released into circulatory blood for transport to target tissues to stimulate or inhibit funcion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Immunoglobulins can pass only through ______________ placentas.

A

Immunoglobulins can pass only through endochorial placentas.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Long day breeders cycle in the \_\_\_\_\_\_\_\_.
Long day breeders cycle in the **spring**. \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Mare
26
Stage of Estrous Cycle: \_\_\_\_\_\_\_\_ Sexual Receptivity Ovulation occurs at the end Lutenization of theca and granulosa cells Decreased rectal and vaginal temperature Increased [Estradiol] induces increased LH Increased FSH
Stage of Estrous Cycle: **Estrus** Sexual Receptivity Ovulation occurs at the end Lutenization of theca and granulosa cells Decreased rectal and vaginal temperature Increased [Estradiol] induces increased LH Increased FSH
27
Species with Cotyledonary placentas
Cow Sheep Goat
28
Short day breeders cycle in the \_\_\_\_\_\_\_\_\_.
Short day breeders cycle in the **fall**. \_\_\_\_\_\_\_\_\_\_\_\_\_\_ Ewe
29
\_\_\_\_\_\_\_\_\_\_ secreted by the placenta act to stimulate fetal growth
**Placental Lactogens** secreted by the placenta act to stimulate fetal growth
30
\_\_\_\_\_\_\_: process to reach reproductive competences
**Puberty**: process to reach reproductive competences
31
\_\_\_\_\_\_\_\_\_ phase consists of ovulation to corpus luteum formation.
**Luteal** phase consists of ovulation to corpus luteum formation.
32
\_\_\_\_\_\_\_\_\_\_\_ of spermatids to spermatogonia is the last step of sperm production.
**Differentiation** of spermatids to spermatogonia is the last step of sperm production.
33
Metestrus and Diestrus are considered the _________ phase
Metestrus and Diestrus are considered the **Luteal** phase
34
Endocrine control is (slower/faster) and longer lasting than neural control.
Endocrine control is (**slower/**faster) and longer lasting than neural control.
35
Species with discoid placentas
Humans Primates
36
Epi- vs Endo- theliochorial placentas are based on
Epi- vs Endo- theliochorial placentas are based on **the number of layers that separate fetal from maternal blood supply**
37
Most important energy component to fetus is _________ which is transported through the placenta freely.
Most important energy component to fetus is **glucose** which is transported through the placenta freely.
38
Polyestrus species
Cow Cat Sow Mouse
39
\_\_\_\_\_\_\_\_\_: female must experience cervical/vaginal stimulation before ovulation occurs
**Induced Ovulators**: female must experience cervical/vaginal stimulation before ovulation occurs
40
Anestrus can be due to:
Pregnancy Lactation Season Etc.
41
Parturation is stimulated by
Parturation is stimulated by **the fetus' hypothalamus-pituitary-adrenal axis removing the progesterone block**
42
Prostaglandin, Oxytocin and Relaxin from the placenta assist with \_\_\_\_\_\_\_\_\_.
Prostaglandin, Oxytocin and Relaxin from the placenta assist with **parturition**.
43
High freqency pulse of GnRH initiates puberty and stimulates an _______ surge.
High freqency pulse of GnRH initiates puberty and stimulates an **LH** surge.
44
\_\_\_\_\_\_\_\_\_ anestrus is due to a failure to detect estrus and pregnancy.
**Apparent** anestrus is due to a failure to detect estrus and pregnancy.
45
T/F: Hydrosoluable vitamins pass through the placenta relatively freely.
True
46
Spermatozoa are released at a __________ rate.
Spermatozoa are released at a **continuous** rate.
47
Species with Zonary placentas
Dog Cat
48
Species with Endotheliochorial placentas
Dog Cat
49
\_\_\_\_\_\_\_\_\_ phase the corpus luteum regresses to ovulation
**Follicular** phase the corpus luteum regresses to ovulation
50
\_\_\_\_\_\_\_\_\_\_ secreted from the placenta acts to maintain the pregnancy.
**Progesterone** secreted from the placenta acts to maintain the pregnancy.
51
\_\_\_\_\_\_\_\_\_\_\_\_: females exhibit multiple cycles during specific season of year
**Seasonal polyestrus**: females exhibit multiple cycles during specific season of year
52
Phases of the Estrous Cycle
Follicular phase Luteal phase
53
\_\_\_\_\_\_\_\_\_\_: display estrus cycles uniformly distributed throughout the year with no seasonal influence.
**Polyestrus**: display estrus cycles uniformly distributed throughout the year with no seasonal influence.
54
A requirement for puberty to occur is the secreation of _________ in high enough frequency to stimulate gonadotropin release.
A requirement for puberty to occur is the secreation of **GnRH** in high enough frequency to stimulate gonadotropin release.
55
Stage of Estrous Cycle: \_\_\_\_\_\_\_\_\_\_\_ Corpus albicans and final maturation of pre-ovulatory follicle Increased Estradiol Constant Progesterone Increased GnRH Increased LH
Stage of Estrous Cycle: **Proestrus** Corpus albicans and final maturation of pre-ovulatory follicle Increased Estradiol Constant Progesterone Increased GnRH Increased LH
56
Proestrus to estrus is considered the _________ phase.
Proestrus to estrus is considered the **Follicular** phase.
57
Species with diffuse placents
Mare Sow
58
Important steroid hormones involved in reproduction
Progesterone Estradiol Testosterone
59
Reproductive hormone(s) produced by the Ovary
Estradiol Progesterone Inhibin Testosterone Relaxin
60
Reproductive endocrine systems are controlled by ______________ mechanisms.
Reproductive endocrine systems are controlled by **negative or positive feedback** mechanisms.
61
Hormones have a (short/long) half-life
Hormones have a (**short**/long) half-life
62
Reproductive hormone(s) produced by the uterus
Prostaglandin F2-alpha
63
Stage of Estrous Cycle: \_\_\_\_\_\_\_\_\_\_ Corpus luteum development Increased Progesterone
Stage of Estrous Cycle: **Metestrus and Diestrus** Corpus luteum development Increased Progesterone
64
\_\_\_\_\_\_\_\_\_\_ placentas have uniform distribution of chorionic villi that cover entire surface of choriorion
**Diffuse** placentas have uniform distribution of chorionic villi that cover entire surface of choriorion
65
\_\_\_\_\_\_\_\_\_\_ interphase point of the placenta formed by fetal cotyledon and maternal caruncle.
**Placentome** interphase point of the placenta formed by fetal cotyledon and maternal caruncle.
66
\_\_\_\_\_\_\_\_\_\_\_\_: physiological events that occur between successive periods of sexual receptivity
**Estrous Cycle**: physiological events that occur between successive periods of sexual receptivity
67
Reproductive hormone(s) produced by the Pituitary
FSH LH Prolactin Oxytocin
68
\_\_\_\_\_\_\_\_\_\_ induces estrus/heat and secretes estradiol.
**Ovulatory Follicle** induces estrus/heat and secretes estradiol.
69
\_\_\_\_\_\_\_\_\_\_\_\_ involves the removal of seminal vesical coating and some surface molecules to allow the sperm to attach to the zona pelluicida.
**Capacitation** involves the removal of seminal vesical coating and some surface molecules to allow the sperm to attach to the zona pelluicida.
70
Species that are considered induced ovulators
Rabbit Cat Ferret Mink
71
\_\_\_\_\_\_\_\_\_\_\_\_\_: ovulation brought about by changing endocrine conditions without the need for cervical/vaginal stimulation.
**Spontaneous Ovulators**: ovulation brought about by changing endocrine conditions without the need for cervical/vaginal stimulation.
72
Endometrial cups are found on _______ placentas
Endometrial cups are found on **equine** placentas

RUSVM Physiology II (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions