Embryology Practice UPDATED Actual
Exam Questions and CORRECT Answers
type II alveolar cells - CORRECT ANSWER✔✔- type II alveolar cells
The mesoderm that splits into an outer parietal and an inner splanchnic layer is - CORRECT
ANSWER✔✔- Lateral mesoderm
Mesoderm adjacent to the developing neural tube is termed the - CORRECT ANSWER✔✔-
paraxial mesoderm
Mesoderm lateral to the paraxial mesoderm forms a column of cells referred to as -
CORRECT ANSWER✔✔- intermediate mesoderm
Which mesoderm becomes organized into somitomeres and somites? - CORRECT
ANSWER✔✔- Paraxial mesoderm
Development of somitomeres is confined to the - CORRECT ANSWER✔✔- cephalic region
Which of the following forms the middle part of each somite? - CORRECT ANSWER✔✔-
Myotome
The myotome forms the - CORRECT ANSWER✔✔- skeletal muscles of the trunk, neck and
limbs
In which cell cycle phase do neurons permanently function without dividing? - CORRECT
ANSWER✔✔- G0 phase
Which organelle is primarily concentrated in the middle piece of a sperm cell? - CORRECT
ANSWER✔✔- Mitochondria
Type A, intermediate, and type B are types of: - CORRECT ANSWER✔✔- Spermatogonia
, Type A spermatogonia are the - CORRECT ANSWER✔✔- stem cells for spermatogenesis
The intermediate spermatogonia give rise to - CORRECT ANSWER✔✔- type B
spermatogonia
The acrosome already covers about two-thirds of the condensed nucleus of the spermatid
during which phase of spermiogenesis? - CORRECT ANSWER✔✔- Acrosome phase
Golgi phase - CORRECT ANSWER✔✔- The Golgi complex produces acrosomal granules
which fuse to form a single large acrosomal granule
Cap phase - CORRECT ANSWER✔✔- The acrosomal granule flattens and covers a larger
portion of the spermatid nucleus
Maturation phase - CORRECT ANSWER✔✔- Species-specific architecture of the sperm
head and tail is developed.
Which cells surround the primary oocyte in a primary follicle? - CORRECT ANSWER✔✔-
Cuboidal granulosa cells
What notable structural change occurs during the transition of a primary to a secondary
ovarian follicle? - CORRECT ANSWER✔✔- Multiple layers of granulosa cells and theca
cells
Granulosa cells proliferate to form several layers around the oocyte in what becomes known
as the - CORRECT ANSWER✔✔- secondary follicle
The prominent translucent acellular layer which is composed of the condensation of oocyte-
secreted glycoproteins is: - CORRECT ANSWER✔✔- Zona pellucida
Zona pellucida - CORRECT ANSWER✔✔- is located between the vitelline membrane of
the oocyte and the follicular cells
Exam Questions and CORRECT Answers
type II alveolar cells - CORRECT ANSWER✔✔- type II alveolar cells
The mesoderm that splits into an outer parietal and an inner splanchnic layer is - CORRECT
ANSWER✔✔- Lateral mesoderm
Mesoderm adjacent to the developing neural tube is termed the - CORRECT ANSWER✔✔-
paraxial mesoderm
Mesoderm lateral to the paraxial mesoderm forms a column of cells referred to as -
CORRECT ANSWER✔✔- intermediate mesoderm
Which mesoderm becomes organized into somitomeres and somites? - CORRECT
ANSWER✔✔- Paraxial mesoderm
Development of somitomeres is confined to the - CORRECT ANSWER✔✔- cephalic region
Which of the following forms the middle part of each somite? - CORRECT ANSWER✔✔-
Myotome
The myotome forms the - CORRECT ANSWER✔✔- skeletal muscles of the trunk, neck and
limbs
In which cell cycle phase do neurons permanently function without dividing? - CORRECT
ANSWER✔✔- G0 phase
Which organelle is primarily concentrated in the middle piece of a sperm cell? - CORRECT
ANSWER✔✔- Mitochondria
Type A, intermediate, and type B are types of: - CORRECT ANSWER✔✔- Spermatogonia
, Type A spermatogonia are the - CORRECT ANSWER✔✔- stem cells for spermatogenesis
The intermediate spermatogonia give rise to - CORRECT ANSWER✔✔- type B
spermatogonia
The acrosome already covers about two-thirds of the condensed nucleus of the spermatid
during which phase of spermiogenesis? - CORRECT ANSWER✔✔- Acrosome phase
Golgi phase - CORRECT ANSWER✔✔- The Golgi complex produces acrosomal granules
which fuse to form a single large acrosomal granule
Cap phase - CORRECT ANSWER✔✔- The acrosomal granule flattens and covers a larger
portion of the spermatid nucleus
Maturation phase - CORRECT ANSWER✔✔- Species-specific architecture of the sperm
head and tail is developed.
Which cells surround the primary oocyte in a primary follicle? - CORRECT ANSWER✔✔-
Cuboidal granulosa cells
What notable structural change occurs during the transition of a primary to a secondary
ovarian follicle? - CORRECT ANSWER✔✔- Multiple layers of granulosa cells and theca
cells
Granulosa cells proliferate to form several layers around the oocyte in what becomes known
as the - CORRECT ANSWER✔✔- secondary follicle
The prominent translucent acellular layer which is composed of the condensation of oocyte-
secreted glycoproteins is: - CORRECT ANSWER✔✔- Zona pellucida
Zona pellucida - CORRECT ANSWER✔✔- is located between the vitelline membrane of
the oocyte and the follicular cells
