Quiz 4 and 5 review

Question 1

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

Answer 1

A) in meiosis II

Question 2

For spermatids to become sperm, they need to go through _________________?

Answer 2

spermiogenesis

Question 3

Meiosis II in the males produces ____________

Answer 3

spermatids

Question 4

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?

Answer 4

anaphase

Question 5

The hormone that triggers gametogenesis and therefore meiosis is ________?

Answer 5

FSH

Question 6

Crossing over occurs in which of the following stages?
A) metaphase II
B) cytokinesis
C) telophase I and II
D) mitosis
E) prophase I

Answer 6

E) prophase I

Question 7

The highlighted cell is in which stage of cell division?

Answer 7

metaphase

Question 8

oogenesis begins….

Answer 8

before birth

Question 9

The highlighted cell is in which stage of cell division?

Answer 9

anaphase

Question 10

Which of the following are ovulated?
A) secondary oocyte
B) mature oocyte
C) oogonium
D) primary oocyte
E) ovum

Answer 10

A) secondary oocyte

Question 11

A meiotic spindle is formed during which stage of division?

Answer 11

prophase

Question 12

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

Answer 12

E) corona radiata

Question 13

A ruptured follicle after ovulation forms into a _____________?

Answer 13

corpus luteum

Question 14

Spermatogenesis starts with a population of cells called ___________________, these cells divide by _________

Answer 14

spermatogonia, mitosis

Question 15

An ovarian follicle is containing a large antrum is known as a _____________ follicle

Answer 15

Graafian (tertiary)

Question 16

Which of the following cells undergo meiosis?
A) primary spermatocytes
B) spermatids
C) spermatogonia
D) spermatozoa
E) seminiferous cells

Answer 16

A) primary spermatocytes

Question 17

Seminiferous tubules are located within the __________?

Answer 17

testes

Question 18

The layer of the embryo adjacent to the amnion is the _________

Answer 18

epiblast

Question 19

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

Answer 19

A) hypoblast

Question 20

Which layer of the embryonic disc is dorsal and therefore adjacent to the amnion?
A) hypoblast
B) epiblast

Answer 20

B) epiblast

Question 21

Put these structures in order starting with the first to form:
-morula
-ICM
-embryonic disc
-embryoblast
-zygote

Answer 21

-zygote
-morula
-ICM
-embryoblast
-embryonic disc

Question 22

In the image, what does number #1 represent?

Answer 22

blastocele

Question 23

A glycoprotein hormone- hCG is produced by which of the following?
A) syncytiotrophoblast
B) lacunae
C) embryoblast
D) yolk sac/ umbilical vesicle
E) zygote

Answer 23

A) syncytiotrophoblast

Question 24

The most common site for ectopic implantation is ___________

Answer 24

uterine tube

Question 25

The embryological stage before blastocyst is a ___________

Answer 25

morula

Question 26

In the early 14 day embryo, a large cavity surrounds the umbilical vesicle and amnion, the space is called the _____________________?

Answer 26

extraembryonic coelom

Question 27

After implantation, lacunae form and these fuse to form vascular channels. Within which structure do lacunae form?

Answer 27

syncytiotrophoblast

Question 28

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

Answer 28

E) amniotic cavity

Question 29

An early embryo is composed of identical cells called?

Answer 29

blastomeres

Question 30

Some endometrial cells degenerate and provide nutrition to the embryo, these cells are called?

Answer 30

decidual cells

Question 31

Which of the following grows into the endometrium?
A) cellular trophoblast
B) umbilical vesicles
C) amnion
D) syncytiotrophoblast
E) epiblast

Answer 31

D) syncytiotrophoblast