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WorksheetsDH105SJVC
Total questions: 57
Worksheet time: 31mins
Brain and Spinal Cord make up the
(a)
Which neuron carries impulse from body to brain or spinal cord
(a)
Which neuron carries impulses from brain to body
(a)
Operates with conscious control
(a)
Sympathetic: ______ _______ ( Select two)
Rest
Digest
Fight
Flight
Parasympathetic: _____ _____ (Select all that apply)
Rest
Digest
Fight
Flight
What part of a neuron conducts impulses toward the cell body
(a)
What part of a neuron provides metabolic support for the neuron
(a)
What part of a neuron conducts impulse AWAY from the cell body
(a)
Group of neural cell bodies outside the CNS
(a)
Supporting cells of the nervous system, do not conduct nerve impulses
(a)
Bundle of neural processes (axon, dendrites) outside the CNS
(a)
1)Junction between two neurons or neuron and an organ
2.) Location where impulses are conducted by electrical or chemical means
Synapse via axon terminals
Cell body
Dendrite
Ganglion
What events occur in the proliferative stage? ( Select all that apply)
Neuralation
Fertilization
Bilaminar disc formation
Implantation
Differentiation
A fertilized egg (ovum) grows and becomes a
(a)
Fertilized egg contains (a) chromosomes
(a) : Cell mass - forms ball of cells 8-12 cells
Endometrium: Uterine lining _____in preparation
Changes
Thins
Divides
As morula continues to grow, it forms a cavity within the outer ball of cells
(a)
Proliferative stage stops at Trilaminar disc formation
True
False
Trophoblast cells later become (a)
If no implantation occurs. Termination occurs with (a)
Embryoblast cells differentiate to form two distinct cavities _____ & _____
(a)
Epiblast differentiate into (a)
Hypoblast differentiate into (a)
Proliferative Stage
0-2 weeks
2-8 weeks
0-4 weeks
4-8 weeks
Embryonic Stage
2-6 weeks
3-8 weeks
4-8 weeks
3-6 weeks
Gastrulation: Formation of (a) disc
(a) : Folding within itself
Which germ layers are present at the end of the Proliferative Stage
Endoderm
Ectoderm
Mesoderm
Body covering and the oral cavity come from which germ layer?
(a)
GI tract and associated glands come from which germ layer?
(a)
What 3 germ layers are present during the embryonic stage
Epidermis
Ectoderm
Mesoderm
Metaderm
Endoderm
What does the notochord gives rise to?
(a)
Enamel comes from which germ layer
Endoderm
Mesoderm
Ectoderm
Which germ layer is the Dorsal layer
Ectoderm
Endoderm
Mesoderm
What germ layer is the ventral laer
Ectoderm
Endoderm
Mesoderm
______ - lateral longitudinal thickening along the primitive streak on the dorsal surface
Neural Stick
Neural Plate
Notochord
What is the most sensitive stage?
(a)
Tissues most susceptible to damage between ____ post conception.
3-8 weeks
3-8 months
2-6 weeks
2-6 months
neural tube (future (a) )
(a) influence: cause disruption or malformation
EX: radiation, drugs, infections, hormones
Which Oral Tissues come from mesodem
Enamel
Dentin
Pulp
Cementum
Periodontal Ligament
Which structures arise from Mesoderm
Epidermis
Connective Tissue
Gastrointestinal Epithelium
Nervous System
Maturation takes place in which stage
(a)
Fetal Stage
8-9 months
8 weeks - 9 months
2-6 months
4 weels to 9 months
What oral tissue arises from Endoderm
Pulp
Enamel
Cementum
Posterior 1/3 of tounge
Inner surface of arch I and anterior portion of arch II lined with
Endoderm
Ectoderm
Mesoderm
Inner surface of arches III-V lined with
Endoderm
Ectoderm
Mesoderm
Arch separated Internally by
Brachial clefts
Brachial grooves
Pharyngeal pouches
Pharyngeocytes
Arch separated Externally by
Branchial clefts/ grooves
Endocytes
Pharyngeal pouches
Phayoblasts
Branchial Arch I is also known as (a) arch
Which arch is the most important arch
Branchial arch I
Branchial arch II
Branchial arch III
Branchial arch IV
What are some structures formed by the Branchial arch I
auditory meatus
Hard palate
Mandible
Trigeminal Nerve
CN V
Vagus Nerve
CN X
The mandibular arch develops the mandible via _______ cartilage
Hudson's
Orofacial
Meckel's
Drexl's
Branchial groove I develops into _____ auditory meatus
Intenal
External
Pharyngeal pouch II forms
Eustachian tube
Parathyroids
Palatine tonsils
Laryngeal
