Reproduction MCQ 1 Flashcards
1
Q
- Which of the following is the primary sex organ of the female?
Ovary
Oviduct
Vagina
Clitoris
A
Ovary
2
Q
- Which type of follicle has an antrum?
Primordial
Primary
Secondary
Tertiary
A
Secondary
3
Q
- What type of uterus is present in the cow?
Duplex
Bicornuate
Bipartite
Simplex
A
Bicornuate
4
Q
- To which part of the uterus does the endometrium belong?
Serosa
Submucosa
Mucosa
Lumen
A
Mucosa
5
Q
- Which best describes the corpus albicans?
An atretic follicle
The regressed corpus luteum
The recently ovulated tertiary follicle.
A follicle which fails to ovulate.
A
The regressed corpus luteum
6
Q
- In a tertiary follicle, the inner most layer of cells are
theca interna cells.
the theca externa cells.
the granulosa cells.
the basement membrane
A
The granulosa cells
7
Q
- The function of the infundibulum is to direct the ovulated oocyte into the uterus.
True
False
A
False – directs it into oviduct
8
Q
- The fornix of the vagina is the area alongside the internal cervical os.
True
False
A
False - along external
9
Q
- The mucosa of the vagina consists of columnar epithelium in the anterior vagina and stratified squamous epithelium in the posterior vagina.
True
False
A
True
10
Q
- Which of the following is not a function of the uterus?
Absorption and phagocytosis
Muscle contrations
Transport of both the sperm and oocyte
Provides an environment for embryonic growth
A
Transport of both the sperm and oocyte
11
Q
- Going from the outside to inside, which of the following sequences is correct?
vulva, cervix, oviduct, ovary
vagina, cervix, oviduct, uterus
uterus, isthmus, infundibulum, ampulla
clitoris, anterior vagina, posterior vagina, uterus
A
vulva, cervix, oviduct, ovary
12
Q
- At or near the time of ovulation, large quantities clear and stringy mucus are secreted by the bovine cervix.
True
False
A
True
13
Q
- What type of uterus does a bitch have?
duplex
bicornuate
bipartite
simplex
A
Bicornuate
14
Q
- What type of uterus does a mouse have?
Duplex
bicornuate
bipartite
simplex
A
Bicornuate
15
Q
- What type of uterus does a sow have?
Duplex
bicornuate
bipartite
simplex
A
Bicornuate
16
Q
- What type of uterus does a woman have?
Duplex
bicornuate
bipartite
simplex
A
Simplex
17
Q
- Which of the following are similarities between a chicken and cow reproductive tract. Be sure to select all that apply. (select all that apply)
presence of an isthmus.
presence of a uterus (shell gland in bird).
presence of a vagina.
presence of a right oviduct.
A
presence of an isthmus.
presence of a uterus (shell gland in bird).
presence of a vagina.
18
Q
- In the chicken, which follicle will ovulate in two days.
largest follicle.
second largest follicle.
third largest follicle.
impossible to tell.
A
second largest follicle
19
Q
- Which of the following species are easier to do artificial insemination?
The cow because the cervix can be grasped through the rectum.
The mare because the cervix has longnitudinal folds.
The ewe because it has a shorter cervix.
The pig because it has a large fornix.
A
The cow because the cervix can be grasped through the rectum.
20
Q
- In which of the following species does ovulation occur at only one place on the surface of the ovary?
mare.
cow.
ewe.
sow.
A
mare
21
Q
- Aristotle was important for reproductive physiology because
he believed that the feutus arouse from the menstrual blood.
he described how semen came from all parts of the male body.
he was the first to systamatically describe reprodution.
he described how seminal plasma initiates the conversion of menstrual blood into a pregnancy.
A
he was the first to systamatically describe reprodution.
22
Q
- Who first identified spermatozoa with the microscope?
Fallopius
Van Leewenhoek
Coiter
Regnier de Graff
A
van Leeuwenhoek
23
Q
- Current trends in animal production generally lead to decreased reproduction.
True
False
A
True
24
Q
- In terms of pets such as dogs or cats, it is generally the prevention of reproduction that is currently under study.
True
False
A
True
25
1. The testis is the primary sex organ of the male.
True
False
True
26
2. What are the two functions of the testis? (select all that apply)
makes sperm.
makes estradiol.
makes testosterone.
makes accessory sex gland fluid.
makes sperm
makes testosterone
27
3. The rete testis is located within the mediastinum.
True
False
true
28
4. The bulbospongiousus muscle is responsible for causing the erection in a bull.
True
False
false
29
5. The pampiniform plexus is involved in temperature regulation of the testis and is located in the spermatic chord.
True
False
True
30
6. Identify which of the following are part of the secondary sex organs of the male? (select all that apply)
testis.
vas deferens.
urethra.
bladder.
vas deferens.
urethra.
31
7. Which of the following is considered to be the warehouse in the male?
caput epididymis.
corpus epididymis.
caudal epididymis.
vas deferens.
caudal epididymis.
32
8. The sigmoid flexure is involved in erection in the bull.
True
False
true
33
9. Which of the following are functions of the pampiniform plexus. (select all that apply)
testicular temperature regulation
decreased arterial pulse
slowing the bloodflow to the testis
maintaining elevated testosterone in the testis
testicular temperature regulation
decreased arterial pulse
maintaining elevated testosterone in the testis
34
1. Estrous referes to the length of the cycle. For example 21 days in the bovine.
True
False
true
35
2. Estrus refers to the period of time when a female is receptive to a male. For example, the bovine is in estrus for 18 hours on the average.
True
False
true
36
3. Which of the following species have polyestrus estrous cycles throughout the year? (check all that apply)
Bovine
ovine
mare
porcine
dog
mouse
bovine, porcine, mouse
37
4. Which of the following species are seasonally polyestrus? (check all that apply)
Bovine
ovine
equine
porcine
dog
mouse
ovine, equine
38
5. Which of the following species are monestrous? (check all that apply)
Bovine
ovine
equine
porcine
dog
mouse
dog
39
6. Which of the following species have estrous cycles that are 21 days in length. (check all that apply)
Bovine
ovine
equine
porcine
dog
mouse
bovine, equine, porcine
40
7. Which of the following species ovulate after the end of estrus? (check all that apply)
Bovine
ovine
equine
porcine
bovine
41
8. The act of mating induces a GnRH surge that triggers ovulation in the ferret, cat and camel.
True
False
true
42
9. The act of mating in the hamster, mouse or rat causes the release of prolactin which maintains the corpus luteum.
True
False
true
43
10. During proestrus
the follicle enlarges.
estrogen decreases
bleeding occurs in cattle.
progesterone is high.
the follicle enlarges
44
11. During diestrus
progesterone is high.
ovulation occurs in the cow.
endometrial glands begin to grow.
estrogen levels peak.
progesterone is high
45
12. During estrus in the cow
estrogen is increasing.
estrogen is decreasing.
FSH is low due to feedback from inhibin.
GnRH is inhibited by progesterone.
estrogen is decreasing
46
13. During proestrus which of the following occur? (select all that apply)
The preovulatory follicle is producing large amounts of estrogen and inhibin.
endometrial glands are initiating their growth.
The corpus luteum is producing progesterone.
The LH surge occurs and uterine motility is high.
The vascularity of the female reproductive tract is increasing.
The LH surge occurs and uterine motility is high.
47
14. During metestrus which of the following occur? (check all that apply)
estrogen is low.
the corpus hemorrhagicum is present.
progesterone is high.
blood may be noticed on the vulva or tail.
estrogen is low.
the corpus hemorrhagicum is present.
blood may be noticed on the vulva or tail
48
15. The length of estrus in the cow is 18 hours while it is 6 - 8 days in the horse.
True
False
true
49
16. Which of the following is the principle cause of gestational anestrus.
estrogen is low.
LH and FSH will not surge.
progesterone is present and has negative effects on GnRH.
oxytocin is being released by the CL and prevents PGF release from the uterine endometrium.
progesterone is present and has negative effects on GnRH.
50
17. During the transition from the non-breeding to breeding season in the ewe which of the following is occuring?
Melatonin is decreasing.
Melatonin is decreasing the sensitivity of the hypothalamus to estradiol positive feedback.
GnRH pulse frequency and amplitude increase in response to increasing melatonin levels and estradiol positive feedback.
GnRH pulse frequency and amplitude decrease in response to progesterone release.
GnRH pulse frequency and amplitude increase in response to increasing melatonin levels and estradiol positive feedback.
51
18. Lactational anestrus occurs in the sow.
True
False
true
52
19. Decreased nutrition can cause a reduction in GnRH pulse amplitude and frequency and thus causes anestrus.
True
False
true
53
20. The human menstrual cycle is 21 days in length.
True
False
false
54
21. In the human, follicular growth of antral follicles begins during which of the following times?
Menses
follicular phase
luteal phase
estrus
menses
55
22. In the human, ovulation occurs on day 10 of a normal mestrual cycle.
True
False
false
56
23. In an abnormal mestrual cycle, which of the following phases most often changes in length.
Menses
follicular
luteal phase
follicular
57
24. Growth of the human endometrium is initiated by increases of estrogen coming from growth of antral follicles.
True
False
true
58
25. Which of the following hormones decrease to cause menses in the human? (check all that apply)
Estrogen
FSH
LH
progesterone
estrogen, progesterone
59
26. The length of the human menstrual luteal phase is normally which of the following?
5 days
9 days
14 days
28 days
14 days
