Head & Neck Anatomy Flashcards
(306 cards)
Which of the following occurs when the blastula contacts the endometrium?
A. Fertilization
B. Zygote
C. Morula
D. Blastula
E. Implantation
E. Implantation

Which of the following occurs when sperm and egg unite in the Fallopian tube?
A. Fertilization
B. Zygote
C. Morula
D. Blastula
E. Implantation
A. Fertilization

Which of the following refers to a ball of cells that is the result of cleavage?
A. Fertilization
B. Zygote
C. Morula
D. Blastula
E. Implantation
C. Morula

Which of the following refers to the initial diploid cell?
A. Fertilization
B. Zygote
C. Morula
D. Blastula
E. Implantation
B. Zygote

_______ refers to the ball of cells once it develops a cavity called a blastocoel.
A. Fertilization
B. Zygote
C. Morula
D. Blastula
E. Implantation
D. Blastula

Which of the following refers to the outer cell mass that will form the placenta?
A. Embryoblast
B. Trophoblast
B. Trophoblast

Which of the following refers to the inner cell mass that will form the embryo proper?
A. Embryoblast
B. Trophoblast
A. Embryoblast

All of the following are associated with the first week of embryology EXCEPT:
A. Gastrulation
B. Zygote
C. Morula
D. Blastula
E. Implantation
A. Gastrulation

Discuss the 2nd week of embryology in regards to each of the following:
- Inner cell mass becomes a bilaminar disc that consists of an _______ and ________.
- _______ = 3 germ layers
- _______ = disappears
- _______ and _______ form in the 2nd week.
- Primitive node and primitive streak on the dorsal side of the embryo identifies the caudal ________.

What major thing occurs in the 3rd week known as the Embryonic Period?
Gastrulation

Discuss the Embryonic Period in regards to the 3rd week of embryology:
- ________ refers to transition form single sheet of cells to 3 distinct germ layers.
- What are those three layers?

Which of the following gives forms tooth enamel?
A. Surface Ectoderm
B. Mesoderm
C. Neural crest
D. Endoderm
A. Surface Ectoderm

Which of the following gives rise to the other components of tooth (everything except enamel)?
A. Surface Ectoderm
B. Mesoderm
C. Neural crest
D. Endoderm
C. Neural crest

The Endoderm gives rise to all of the following EXCEPT?
A. Red blood cells
B. Lung cells (alveolar)
C. Thyroid cells
D. Digestive cells
A. Red blood cells

Which of the following does the Ectoderm give rise to?
A. Cardiac muscle
B. Skeletal muscle
C. Pigment cells
D. Tubule cells
E. Smooth muscle
C. Pigment cells

Review the 3rd week in embryology in regards to each of the following:
- Ectoderm
- Mesoderm
- Endoderm

The Phayngeal Arches are a series of externally visible anterior tissue bands lying under the early brain that give rise to _____ and _____ structures.

Which of the following is known as the primitive ear?
A. Stomodeum
B. Optic placode
C. Otic placode
D. Blastopore
C. Otic placode

Which of the following is known as the primitive anus?
A. Stomodeum
B. Optic placode
C. Otic placode
D. Blastopore
D. Blastopore

Which of the following is known as the primitive eye?
A. Stomodeum
B. Optic placode
C. Otic placode
D. Blastopore
B. Optic placode

Which of the following is known as the primitive oral cavity?
A. Stomodeum
B. Optic placode
C. Otic placode
D. Blastopore
A. Stomodeum

The Pharyngeal arches contain each of the following EXCEPT:
A. An internal endodermal pouch
B. A mesenchymal core (mesoderm and neural crest w/ artery, nerve, muscle and cartilage)
C. An external Ectodermal cleft
D. Pharyngeal arches contain all of the above
D. Pharyngeal arches contain all of the above

Pharyngeal arch 2 (hyoid arch) gives rise to which of the following?
A. Maxilla
B. Mandible
C. Meckel’s cartilage
D. Reichert’s cartilage
E. Incus
***HIGH YIELD BOARDS***
D. Reichert’s cartilage

Which of the following gives rise to Meckel’s cartilage?
A. Pharyngeal arch 1
B. Pharyngeal arch 2
C. Pharyngeal arch 3
D. Pharyngeal arch 4
E. Pharyngeal arch 6
***HIGH YIELD BOARDS***
A. Pharyngeal arch 1
Pharyngeal arch 1 = Meckel’s cartilage
Pharyngeal arch 2 = Reichert’s cartilage
















































































































































































































































































