Enbryo Final
Embryo Development Quiz
Test your knowledge on embryology and developmental biology with this comprehensive quiz! Dive into various aspects of embryonic development, including tissue origins, cellular fun
Perfect for students and professionals alike, this quiz covers key concepts in:
- Mitochondrial fun
ction - Tissue classification
- Muscle types
- Endocrine regulation
Mitochondria produce which chemical for intracellular energy?
ADP
ATP
RNA
DNA
Each tissue originates from mesoderm, EXCEPT one. Which is the EXCEPTION?
Bone
Liver
Blood
Muscle
Which cellular component facilitates protein synthesis?
Lysosomes
Ribosomes
Mitochondria
Plasmalemma
Which phase of the cell cycle is characterized as the initial resting stage?
G1 phase
S phase
G2 phase
Prophase
The _______ provides an ideal environment for the implantation and growth of the embryo.
Uterine tube
Ovary
Myometrium
Endometrium
Intercalated disks are present in which type of muscle?
Smooth
Cardiac
Skeletal
Voluntary
Before the development of the vascular system, the vitelline system provides nutrients to the embryo.
False
True
Tissues are most susceptible to teratogens during the proliferative period.
True
False
Connective tissue proper is classified as ______________.
Dense, striated, or smooth
Simple, stratified, or squamous
Dense, loose, or loose with special properties
Dense, elastic, or elastic with special properties
What are the three types of muscle tissue?
Cardiac, skeletal, and smooth
Striated, voluntary, and smooth
Cardiac, skeletal, and voluntary
Voluntary, involuntary, and striated
Buccal mucosa renews itself in ____ days.
1 to 2
3 to 4
5 to 9
10 to 14
The junctional epithelium of gingiva is replenished every _____ days.
1 to 3
4 to 6
7 to 9
10 to 13
All body sensations are relayed to the ______ and the _______.
Brain; spinal cord
Afferent; efferent systems
Voluntary; involuntary muscles
Sympathetic; parasympathetic divisions
Impulses pass from the CNS to involuntary muscles via the _____ system.
Sensory
Afferent
Somatic
Autonomic
Which body system relies on neural stimuli to function?
Vascular
Digestive
Endocrine
Respiratory
Internal organs (viscera) receive most of their neural impulses from which nervous system?
Somatic
Sensory
Afferent
Autonomic
Ligaments and tendons are composed of which tissue?
Neural
Muscle
Epithelial
Connective
Which of the following is not a type of cartilage?
Dense
Elastic
Fibrous
Hyaline
In the first 20 weeks, the prenatal mandible articulates with which bone(s)?
Incus
Malleus
Stapes
Both A and B
Which of the following arises from the first pharyngeal arch?
Inferior hyoid
Laryngeal cartilages
Muscles of mastication
Muscles of facial expression
The face develops in the ____________ prenatal weeks.
First to third
Fourth to seventh
Eighth to eleventh
Twelfth to fourteenth
Which bones support the palatine shelf?
Maxillary
Temporal
Zygomatic
Mandibular
Meckel’s cartilage provides structure for the developing _______.
Maxilla
Mandible
Temporal bone
Zygomatic bone
Blood vessels in the third pharyngeal arch form the __________.
Dorsal aorta
Common carotid arteries
Pulmonary blood vessels
Dorsal aorta, common carotid arteries, and pulmonary blood vessels
The heart begins beating at the end of which week?
Second
Fourth
Sixth
Eighth
Which gland regulates the body’s calcium balance?
Thyroid
Parathyroid
Pancreas
Adrenal
A combination of genetic and _____ factors are associated with palatal and facial clefts.
Social
Behavioral
Age-related
Environmental
The thyroid gland descends to the front of the trachea, attached to the tongue by the thyroglossal ________.
Duct
Cyst
Fistula
Swelling
A cleft may occur in the _______.
Lip
Palate
Mandible
Lip,palate, and mandible
Palatal development occurs during the __________ weeks of gestation.
First to third
Fourth to sixth
Seventh to ninth
Tenth to twelfth
Auricular hillocks develop near which location?
External ear canal
Tuberculum impar
Medial nasal process
Oronasal optic groove
The thyroid gland originates from:
Foramen cecum.
Muscles of the occipital myotomes.
The auricular hillocks.
The palatine shelves.
Development of the upper lip depends on fusion of the philtrum and maxillary processes.
True
False
Cleft palate is the most common facial malformation.
True
False
The stages of tooth development occur in which order?
Bud, cap, bell
Bell, bud, cap
Cap, bell, bud
Bud, bell, cap
________ operates as a blueprint or pattern to guide root formation.
Predentin
The primary cuticle
Reduced enamel epithelium
Hertwig’s epithelial root sheath
Predentin calcifies to form dentin within ____ hours.
12
24
48
72
Which two cellular layers fuse to form the root sheath?
Ameloblast and odontoblast cells
Cementoid and epithelial rest cells
Inner and outer enamel epithelial cells
Stratum intermedium and stellate reticulum cells
Which permanent tooth forms from the general lamina?
Molar
Incisor
Canine
Premolar
Accessory root canals connect the __________.
Cementum with the enamel
Pulp with the periodontal ligament
Dentin with the alveolar bone proper
Enamel with the junctional epithelium
Which of the following best defines the primary cuticle?
Mineralized, mature enamel.
A cell junction complex, which attaches one ameloblast to another.
An organic substance secreted on the surface of enamel by ameloblasts.
An unmineralized protein secreted by ameloblasts in a young enamel matrix.
The successional lamina is vital to the development of primary teeth.
True
False
The mesiodistal size difference between a primary molar and a permanent premolar is called the ____.
Leeway space
Furcation zone
Parietal plexus
Incisor liability
The mixed dentition phase occurs from approximately _____ years of age.
Birth to 2
3 to 6
8 to 12
13 to 18
Which of the following defines the functional eruption phase?
1st phase of tooth eruption: eruptive movements during crown formation
The final stage: includes occlusal wear of the enamel
The process of initiation of root development into the oral cavity
The final stage: the teeth require adjustments relative to the bony crypt
Which of the following is clinically seen as tooth eruption?
Light and dark bands
Interlocking of the rods
Blanching of the mucosa
Crystallization of the enamel rods
Special _______ cells destroy collagen fibers by ingestion.
Fibroblast
Osteoclast
Osteoblast
Amino acid
Fusion of the tooth (reduced enamel epithelium) with the oral epithelium forms which type of connection?
Periodontal ligament
Junctional epithelium
Trabeculae
Fundic
Which of the following best defines incremental lines?
Ridges visible on the surface of enamel
Termination of dentinal tubules in enamel
Alternating dark and light bands of enamel rod groups
Lines that result from the rhythmic recurrent deposition of enamel
Which of the following best defines perikymata?
Termination of dentinal tubules in enamel.
Alternating dark and light bands of enamel rod groups.
Growth lines visible as ridges on the cervical 1/3rd of the enamel.
Lines that result from the rhythmic recurrent deposition of enamel.
Enamel is composed of ______ hydroxyapatite.
26%
53%
90%
96%
Which of the following best defines the neonatal line?
An accentuated incremental line possibly due to changes in environment.
A defect caused by the misdirection of enamel rods.
Light and dark enamel rod groups, made visible with light.
A series of dark growth rings noticeable in the cross section of enamel.
Lamellaeare cracks in the surface of enamel and are visible to the naked eye.
True
False
Which type of dentin is formed prior to tooth function and is the major component of the crown and root of the tooth?
Mantle dentin
Circumpulpal dentin
Secondary dentin
Tertiary dentin
Dentin is responsive to the environment.
True
False
Which of the following best defines sclerotic dentin?
The dentinal matrix that immediately surrounds the dentinal tubule
The first dentin formed and deposited at the dentinoenamel junction.
Dentin mantle dentin, comprising the bulk of primary dentin.
Obliterated tubules in areas of attrition, abrasion, fracture & caries
The granular layer of Tomes is located in the _________.
Dentin of the root
Dentin of the crown
Periodontal ligament
Cementum of the root
Which of the following best defines the zone of Weil?
Cell-free region
High cell density
Concentrated plexus of nerves
Large veins, arteries, and pericytes
Most pulpal nerve endings are located in which area?
Pulp horns
Central pulp
Apical foramen
Dentinoenamel junction
Which cell type is predominant in the cell-rich zone?
Fibroblasts
Osteoblasts
Erythroblast
Odontoblasts
Odontoblasts produce which type of collagen?
I
II
III
IV
Accessory canals can result from blood vessels that have obstructed ________ formation.
Pulp
Dentin
Enamel
Foramen
Pulpal cells ___________ with age or trauma.
Increase
Decrease
Disappear
Stay the same
Inflammation of the pulp may spread to the ______.
Dentin
Enamel
Predentin
Periodontium
The apical foramen is slightly larger in _____ teeth.
Anterior
Posterior
Maxillary
Mandibular
The largest part of the odontoblast is the
Nucleus.
Golgi apparatus.
Process.
Mitochondria.
The formation of sclerotic dentin is an example of which function of the pulp?
Inductive
Formative
Protective
Nutritive
Teeth only perceive the sensation of pain.
True
False
Which condition occurs most often?
Cementum meets the enamel.
Cementum forms overlapping the enamel.
Enamel forms over the cementum.
A gap occurs between the cementum and enamel.
Which of the following best defines a cementicle?
An ovoid calcification in the periodontal ligament (PDL)
A spindle-shaped cell found in the connective tissue
A flattened and elongated cell found in the coronal portions of the pulp
An irregularly shaped calcified mass appearing in the canal of the pulp
Intermediate cementum lies between the ___________ and the secondary cementum.
Enamel
Periodontal Tissue
Granular layer of Tomes
Cellular-acellular cementum
At which of the following the cementum is thickest?
Apex of the root
Cementoenamel junction
Cervical region of the root
Furcation of multirooted teeth
Why is cementum insensitive to pain?
Cementum is more permeable than dentin.
Dentin forms more quickly than cementum.
Cells deep within the cementum are less active.
Cementum has no nerve or blood vessel innervation.
Which of the following best defines the term ankylosis?
Alveolar bone fuses with cementum.
The cementum fuses with underlying dentin.
Alveolar bone fuses with the PDL ligament.
The cementum of two adjacent teeth fuses together.
Which arises from the dental follicular tissue?
Dentin
Enamel
Cementicles
Periodontium
The periodontal ligament (periodontium) has a width of _________ mm.
0.015 to 0.038
0.15 to 0.38
0.045 to 0.080
0.45 to 0.80
_____________ is (are) highly cellular, vascular, and neural.
Oxytalan fibers
Interstitial spaces
Periodontal ligaments
Fibrous connective tissue
The primary function of the periodontal ligament is to do which of the following?
Support the teeth.
Provide nutrition.
Transmit neural input.
Protect the cementum.
______________ create and destroy collagen fibers, as needed.
Fibroblasts
Osteoclasts
Macrophages
Cementoblasts
Which pressure receptors are found in the periodontal ligament?
Ruffini
Pacinian
Meissner
All of the above
The jaw jerk reflex is a test for which structure?
Pterygoid muscle
Trigeminal nerve
Temporomandibular joint
Periodontal ligament
The periodontal ligament is thinnest in the midroot zone.
True
False
The overall general health of an individual affects the health of the periodontium.
True
False
Which is identified radiographically as the lamina dura?
Pulp
Cementum
Sharpey fibers
Alveolar bone proper
Maintenance of the alveolar bone and cementum is reliant on which of the following?
Resorption
Tooth function
Routine professional dental care
Periods of masticatory inactivity
The alveolar crest is located _______ mm below the dentinoenamel junction.
10
3 to 4
1.2 to 1.5
2.5 to 3.2
The alveolar crest is ___________ in the molar region.
Flat
Peaked
Rounded
Scalloped
Fenestration is best defined as which of the following?
Coronal border of the alveolar process.
Bone loss where the apical root penetrates cortical bone.
Bone loss in the coronal area of the root.
Bundle of collagen fibers embedded in the alveolar bone proper.
Which best defines dehiscence?
Bone loss in the coronal area of the root
Colorless, ischemic periodontal ligament
Compact bony lining of the tooth socket
Inclination of permanent teeth to drift mesially
Collagen fibers embedded in the alveolar bone proper are called ____________ fibers.
Alveolar
Sharpey
Transseptal
Gingival
Hyalinization of the periodontal ligament is caused by which of the following?
Mesial drift
Traumatic compression
Eruption of permanent teeth
Gradual orthodontic movement
Teeth are slightly more mobile in the
Morning.
Early afternoon.
Late afternoon.
Evening.
Which of the following is not a function of the temporomandibular joint (TMJ)?
Speech
Deglutition
Respiration
Mastication
The articular fossa undergoes which developmental change?
Deepens and expands
Becomes brittle and narrow
Loses flexibility and perforates
Becomes increasingly scalloped in shape
Which ligament attaches to the lateral part of the disk?
Stylohyoid
Stylomandibular
Sphenomandibular
Temporomandibular
Which feature of the TMJ helps it withstand functional stress?
Presence of cartilage on the condyle and fossa.
Encapsulated nerve terminals in the synovial folds.
Functional relationship with the muscles of mastication.
Network of blood vessels in the posterior region of the joint.
Articular remodeling is a response to _______________.
Aging
Inactivity
Genetic dysfunction
Environmental stress
The two movements of the temporomandibular joint (TMJ) are
Gliding and hinge.
Superior and inferior.
Medial and lateral.
Anterior and posterior.
The articular disk is thin but highly vascular.
True
False
Lining mucosa covers which structure?
Hard palate
Alveolar ridges
Floor of the mouth
Surface of the tongue
Masticatory mucosa is found on the ____________.
Lips
Alveolar ridges
Surface of the tongue
Soft palate
Oral nerve endings are most highly concentrated ________ of the oral cavity.
On the roof
On the floor
In the anterior regions
In the posterior regions
Which of the following best describes the shape of the col between the anterior teeth?
Flat
Concave
Sharp peak
Slightly convex
Which of the following is characterized by thin, nonkeratinized epithelium?
Free gingiva
Median raphe
Interdental col
Filiform papillae
Which papillae do not house taste buds?
Foliate
Filiform
Fungiform
Circumvallate
Which papillae lie in a V-shaped sulcus between the base and body of the tongue?
Foliate
Filiform
Fungiform
Circumvallate
Lymphocytes, leukocytes, and mast cells are associated with ______________.
Health
Halitosis
Necrosis
Inflammation
Ectopic sebaceous glands on the mucosa at the angle of the mouth are called
Rugae.
Fordyce spots (fordyce granules)
Merkel cells.
Macula adherens
Eleidin, a transparent protein, is found in the vermillion border of the lips.
True
False
Umami is one of the five taste modalities of the oral cavity.
True
False
Children have ______________ palatine tonsils.
Large
Small
Overdeveloped
Underdeveloped
All salivary glands can be classified as _______________.
Buccal, labial, or mixed
Serous, mucous, or mixed
Parotid, submandibular, or sublingual
Palatine, glossopalatine, or sublingual
Which salivary gland is the largest?
Parotid
Palatine
Sublingual
Submandibular
Which salivary component facilitates the breakdown of carbohydrates?
Mucin
Protein
Zymogen granules (precursor to salivary amylase)
Immunoglobulin A
Which structural characteristic makes the palatine tonsil susceptible to infection?
Large size
Deep crypts
Septa capsule
Germinal centers
A cluster of pyramidal salivary gland cells is called (a/an)
Intercalated duct.
Interlobular duct.
Intralobular duct.
Acinus.
What is the name of the duct that leads from the parotid salivary gland?
Stensen
Wharton
Von Ebner
Waldeyer’s ring
High levels of ______________ in the saliva indicate the presence of gingival inflammation.
T cells
Leukocytes
Lymphocytes
Macrophages
Which type of organism appears supragingivally?
Neutral
Anaerobic
Gram-positive
Gram-negative
Subgingival calculus is ________ than supragingival calculus.
Softer
Harder
Thicker
Lighter
Calculus most often appears near which of the following?
A missing tooth
A tight labial frenum
The incisal edge of a tooth
The opening of a salivary duct
The breakdown of ______________ results in a brown spot on the tooth.
Organic debris
Enamel crystals
Salivary corpuscles
Filamentous organisms
Acids that can demineralize the surface of enamel are produced by
Calculus.
Bacteria.
Pellicle.
Salivary corpuscles.
Which surface of a molar is an ideal site for the colonization of oral organisms?
Mesial surface
Distal surface
Buccal surface
Occlusal surface
Within days, a pellicle can grow into a thick plaque, containing motile spirochetes.
True
False
{"name":"Enbryo Final", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"Test your knowledge on embryology and developmental biology with this comprehensive quiz! Dive into various aspects of embryonic development, including tissue origins, cellular functions, and anatomical growth.Perfect for students and professionals alike, this quiz covers key concepts in:Mitochondrial functionTissue classificationMuscle typesEndocrine regulation","img":"https:/images/course2.png"}
More Quizzes
Understanding Connective Tissues: A Quiz
20100
Epithelial tissue
1260
Histology Quiz 2
2110130
SMART INSTITUTE NMDCAT BIOLOGY 1ST HALF
402097
Review anatomy-Lab-By: Ali Ahmed
2412269
Histology Quiz (Final)
6030220
Physiology - Action Potential Quiz
520
Histology Repetition Quiz (Epithelium+CT+Cartilage)
14732
Histoloji5
158357
Embryology final review
100500
Cytology ( 1 ) by : Dr.David saied
1587
Embryology and Histology Midterm Review
13970132