Quiz 4 and 5 review Flashcards
At ovulation, the “gamete” is ovulated in which of the following states?
A) in meiosis II
B) as a diploid follicle
C) in cytokinesis
D) in meiosis I
E) undergoing mitosis
A) in meiosis II
For spermatids to become sperm, they need to go through _________________?
spermiogenesis
Meiosis II in the males produces ____________
spermatids
You read about a process called non-disjunction in cell division. This process involves chromosomes NOT pulling apart to travel to opposite poles of the cell, what you know about cell division, which stage do you think we could observe this?
anaphase
The hormone that triggers gametogenesis and therefore meiosis is ________?
FSH
Crossing over occurs in which of the following stages?
A) metaphase II
B) cytokinesis
C) telophase I and II
D) mitosis
E) prophase I
E) prophase I
The highlighted cell is in which stage of cell division?
metaphase
oogenesis begins….
before birth
The highlighted cell is in which stage of cell division?
anaphase
Which of the following are ovulated?
A) secondary oocyte
B) mature oocyte
C) oogonium
D) primary oocyte
E) ovum
A) secondary oocyte
A meiotic spindle is formed during which stage of division?
prophase
The follicle cells that remain attached to the oocyte at ovulation are known as which of the following?
A) atrium cells
B) follicular cells
C) corpus luteum
D) zona pellucida
E) corona radiata
E) corona radiata
A ruptured follicle after ovulation forms into a _____________?
corpus luteum
Spermatogenesis starts with a population of cells called ___________________, these cells divide by _________
spermatogonia, mitosis
An ovarian follicle is containing a large antrum is known as a _____________ follicle
Graafian (tertiary)
Which of the following cells undergo meiosis?
A) primary spermatocytes
B) spermatids
C) spermatogonia
D) spermatozoa
E) seminiferous cells
A) primary spermatocytes
Seminiferous tubules are located within the __________?
testes
The layer of the embryo adjacent to the amnion is the _________
epiblast
Cells migrate from which of the following structures to form the primary yolk sac/primary umbilical vesicle?
A) hypoblast
B) epiblast
C) notochord
D) amnion
E) chorion
A) hypoblast
Which layer of the embryonic disc is dorsal and therefore adjacent to the amnion?
A) hypoblast
B) epiblast
B) epiblast
Put these structures in order starting with the first to form:
-morula
-ICM
-embryonic disc
-embryoblast
-zygote
-zygote
-morula
-ICM
-embryoblast
-embryonic disc
In the image, what does number #1 represent?
blastocele
A glycoprotein hormone- hCG is produced by which of the following?
A) syncytiotrophoblast
B) lacunae
C) embryoblast
D) yolk sac/ umbilical vesicle
E) zygote
A) syncytiotrophoblast
The most common site for ectopic implantation is ___________
uterine tube
The embryological stage before blastocyst is a ___________
morula
In the early 14 day embryo, a large cavity surrounds the umbilical vesicle and amnion, the space is called the _____________________?
extraembryonic coelom
After implantation, lacunae form and these fuse to form vascular channels. Within which structure do lacunae form?
syncytiotrophoblast
In the early embryoblast, a space appears and this becomes which of the following?
A) primary umbilical vesicle
B) chorionic villi
C) allatois
D) umbilicus
E) amniotic cavity
E) amniotic cavity
An early embryo is composed of identical cells called?
blastomeres
Some endometrial cells degenerate and provide nutrition to the embryo, these cells are called?
decidual cells
Which of the following grows into the endometrium?
A) cellular trophoblast
B) umbilical vesicles
C) amnion
D) syncytiotrophoblast
E) epiblast
D) syncytiotrophoblast
