The junctional epithelium of gingiva is replenished every ____ days.

Simple squamous epithelium functions as a lining in which location?

Ligaments and tendons are composed of which tissue?

Which of the following is not a type of cartilage?

Which cells supports the nervous system?

Connective tissue proper is classified as ____?

What are the three types of muscle tissue?

How does epithelial tissue renew itself?

Which of the following is not a major function of the urinary system?

Which function is associated with the skin?

Which term represents a single layer of cells?

Which epithelium consists of several layers with only the basal cell layer in contact with the basal lamina?

All body sensations are relayed to the ___ and the ___.

Absorption of nutrients occurs in which location?

Which organ system is the largest?

Each of the following is a function of the large intestine except one which is the exception?

Which type of tissue lines the respiratory tract to move foreign particles out of the respiratory system?

Blood returns to the heart through

Blood is an example of which of the following four primary types of tissues?

Which is true regarding the central nervous system?

Internal organs (viscera) receive most of their neural impulses from which nervous system?

Which layer of epithelium is the deepest, germinating layer?

Which organ system secretes and regulates hormones in the blood?

Each is part of a neuron except one. Which is the exception?

Which of the following insulates axons located outside the cns?

Neuroglial cells are ____ numerous than neurons.

The spinal cord consists of how many segments?

Which organ is part of the lymphatic system?

Impulses conducted from the periphery of the body (e.g, muscles, glands) to the central nervous system are conducted through which system?

Impulses pass from the cns to the involuntary muscles via the ___ system.

Which body system relies on neural stimuli to function?

The embryonic skeleton first forms as bone true or false

The umbilical system carries oxygenated blood true or false

The foramen oval closes during the third week of prenatal life True or false

Before the development of the vascular system the vitelline system provides nutrients to the true or false

The cardiovascular system originated from chondroblasts true or false

tissues are most susceptible to teratogens during the proliferative period true or false

The foramen ovale is an opening between the right and left atria of the heart true or false

The ovum contains twice as many chromosomes as it’s parent cell true or false

The cell may contain more than one nucleus true or false

The information in mRNA is translated by ribosomes located on the surface of the rough er true or false

Spindles present during mitosis are attached to centromeres true or false

DNA replication takes place during the G1 phase of the cell cycle true or false

Fertilization takes place in the distal part of the uterine tube true or false

Endoderm and ectoderm are the first two germ layers to develop true or false

Melanocytes are responsible for skin pigment true or false

Which best describes diapedesis?

Which represent the first change in shape of the embryos body from a flat sheet of cells?

Which hormone is produced by the placenta?

Posttranslational modifications to proteins produced by the rough endoplasmic reticulum are accomplished by ___.

Which phase of the cell cycle is characterized as the initial resting stage?

The ___ provides an ideal environment for the implantation and growth of the embryo.

Intercalated disks are present in which type of muscle?

T cells, B cells, NK cells, and macrophages are produced in the ___.

Which type of bone formation occurs through a tight matrix of collagen fibers which slowly calcify into bone?

Myotome produces which of the following types of tissue?

Each of the following is a derivative of ectoderm except one. Which is the exception?

Blood cells arise from cells called

Developmental abnormalities are not associated with which numbers of chromosomes?

Mitochondria produce which chemical for intracellular energy? 

Each tissue originates from mesoderm except one. Which is the exception?

Which chemical is called the second messenger?

Which cellular component facilitates protein synthesis?

Which organelle produces microtubules?

Which type of bone protects the brain?

Sutures are fibrous joints true or false

Facial muscles develop from the second pharyngeal arch true or false

The nasal capsule contains the organ of smell true or false

The mandible develops from the second branch oak arch true or false

The muscles of facial expression arise from the hyoid arch true or false

The glossopharyngeal nerve (ix) provides taste sensation to the anterior two thirds of the tongue true or false

Branchial clefts may be found along the anterior border of the trapezius muscle true or false

Meckels cartilage acts as a framework for the developing mandible true or false

The superior parathyroid develops from the ___ pharyngeal pouch whereas the inferior parathyroid develops from the ____.

The stomodeum first appears in the ___ week of prenatal development

After the fifth prenatal week the first and fifth branchial arches grow toward each other and over the arches. This overgrowth obscures the external pharyngeal grooves.

The ultimobranchial body is the origin of which hormone?

The thymus gland arises from which brachial arch?

Which gland regulates the body’s calcium balance?

The face develops in the ____ prenatal weeks.

The primitive mouth is known as the ____.

Which of the following is not a muscle of mastication?

Which of the following arises from the first pharyngeal arch?

Which defines the term synchondrosis?

The cranial base is determined by drawing a line from the nasal bone (nasion) to which structure?

The mandible is formed from which pharyngeal arch?

Blood vessels in the third pharyngeal arch form the ___.

Each of the following sutures is a facial suture except one. Which is the exception?

The heart begins beating at the end of which week?

Meckels cartilage provides structures for developing _____.

Which bones support the palatine shelf?

In the first 20 weeks the prenatal mandible articulates with which bones?

Which brachial arches form the hyoid bone?

Which significant change occurs in the fifth prenatal week?

An opening of a nostril into the oral cavity is classified as an incomplete cleft lip true or false

The eyes move the front of the face in the sixth week of prenatal development true or false

Bilateral nasal placodes appear in the seventh week of gestation true or false

Palatal development occurs during the ____ weeks of gestation

Which term best defines nasal fin?

The heart begins pumping blood during which week of gestation

The second pharyngeal arch is also known as the ____ arch.

Auricular hillocks develop near which location?

The thyroid gland originated from

The oral and nasal cavities are separated by the

In the fifth week the frontal process becomes known as the

A combination of genetic and ___ factors are associated with palatal and facial clefts.

The thyroid gland descends to the front of the trachea attached to the tongue by the thyroglossal ____.

Each of the following is part of waldeyers tonsillar ring except one. Which is the exception?

The word for programmed cell death during palatal shelf evaluation and closure is

Which muscle grows around the oral pit in the sixth prenatal week?

Which best defines the term fusion?

A swelling that opens on the surface of the neck is called the thyroglossal _____.

A cleft may occur in the ___

In which direction do the palatine shelves grow on contact with the tongue in the seventh prenatal week?

Each cranial nerve innervates the tongue except one. Which is the exception?

Predentin calcifies to form dentin within ___ hours.

Which two cellular layers fuse to form root sheath?

Compact bone is most highly calcified tissue in the human body true or false

The terminal bar apparatus is a series of hemidesmosomes true or false

Primary teeth begin development at birth true or false

Tooth development relies on an interaction between the ectoderm and mesenchyme true or false

A patient with oligodontia is congenitally missing more than six permanent teeth true or false

Which is a genetic disorder that makes teeth susceptible to excessive wear?

Which tissue does not support the dentition?

The stages of tooth development occur in which order?

Which sequence reflects the correct order of appearance?

Accessory root canals connect the ____.

During root development the epithelial diaphragm____.

Odontoblast are derived from which type of cell?

Which of the following best defines the term reduced enamel epithelium?

Which permanent tooth forms the general lamina?

After the enamel Organ differentiates, the dental lamina begins to ____.

Which type of bone forms between the roots of multirooted teeth?

Which is the first functional stage of change that each ameloblast undergoes?

The periodontal ligament attaches to which two surfaces?

Enamel forms from which type of cells?

Which type of facial suture has a beveled or overlapping junction?

_____ operates as a blue print or pattern to guide root formation.

Which of the following best defines the primary cuticle?

Pharyngeal fistula opens to drain on the:

Tomes processes develop in which stage of Ameloblasts differentiation?

Ameloblasts secret enamel before odontoblasts secret Predentin true or false

Bone, dentin, cementum, and enamel grow through incremental deposition true or false

Precursor odontoblasts cells use cell signaling to determine the correct starting position. True or false

The successional lamina is vital to the development of primary teeth. True or false

Cementoblasts, fibroblasts, and osteoblasts originate from dental follicular cells true or false

The root lengthens more rapidly than the tooth erupts true or false

Which cells of the enamel organ assists Ameloblasts in forming enamel?

Which layer of the enamel organ is most closely associated with blood vessels?

Which of the following is clinically seen as tooth eruption?

Which permanent tooth develops without a primary predecessor?

The permanent teeth that replace the primary teeth are called ____.

The mesiodistal size difference between a primary molar and a permanent premolar is called the ____.

The mixed dentition phase occurs from approximately ___ years of age.

Tooth eruption requires formation of the eruption

Which of the following defines the functional eruption phase?

Fusion of the tooth (reduced enamel epithelium) with the oral epithelium forms which type of connection?

Which of the following best defines ankylosis?

Which type of teeth are not successors of primary teeth?

Special ____ cells destroy collagen fibers by ingestion

The ____ stage of tooth development contains permanent and primary teeth in various stages of formation

Which structures increase the surface area of the osteoclasts?

Hard tissue resorption comprises which two phases?

Osteoblasts are the active cells in both the formation and degradation of the collagen fibers true or false

The eruptive process is rapid and continuous true or false

During eruption the epithelial attachment shifts to the cervical area true or false

Enamel is about twice as thick in permanent teeth as its primary teeth True or false

Primary and permanent teeth have similar enamel prism structure except at the tooth surface true or false

The reduced enamel epithelium fuses with the oral epithelium during pre-functional irruption true or false

The lack of development of the pulp proliferative zone leads to root formation failure True or false

The pre-functional eruptive phase is characterized by dormancy in the tissues overline, surrounding, and underline the tissue True or false

Eruptive movement of posterior teeth occurs exclusively through the bony crypt of the jaws to reach the mucosa true or false

Shedding is the loss of mixed dentition caused by resorption of the roots true or false

Active osteoclasts are multinucleated true or false

Final maturation of the periodontal ligament fibers occurs

How many teeth are in the primary dentition and how many teeth are in the permanent dentition?

Why are humans considered to be diphyodonts?

Which of the following is the origin of the osteoclasts?

Which of the following occurs when root formation begins?

Which part of the enamel is most sensitive to demineralization?

A developmental defect at the dentinoenamel junction of enamel that is filled with organic material is called (a/an)

Which of the following best defines the neonatal line?

Which statement is true?

An enamel ____ House is a small extension of a living odontoblast

The surface of the enamel rod is called the rod

Two ameloblast cells from the enamel rod

Which of the following does not facilitate the spread of dental caries?

Ameloblasts produce ____ as they migrate

Enamel Lamellae are not tubular defects but leaf like tracts True or false

Prism is enamel is characterized by numerous and pronounced Hunter Schreger bands True or false

Enamel is an impermeable tissue true or false

In the Hunter Shreger phenomenon adjacent rod groups lie at right angles to each other true or false

Edging surface of enamel stimulates remain all realization true or false

Enamel rods extend from the Dentinoenamel junction to the enamel outer surface True or false

Each enamel rod is formed by a single Ameloblasts true or false

Enamel rods extend perpendicular to the Dentinoenamel junction curve slightly toward the cusp tip true or false

Hunter Schreger bands stand through half to 2/3 of the enamel True or false

Incremental lines result from the rhythmic recurrent deposition of enamel true or false

Ameloblast migrate away from the Dentinoenamel Junction as they produce enamel rods True or false

Ameloblast travel along parallel paths to produce straight enamel rods true or false

Light and dark enamel rods groups are known as striae of Retzius true or false

Ameloblast deposit for nanometers of enamel rods daily true or false

Enamel varies in density and hardness true or false

Lamellae Are cracks in the surface of enamel and are visible to the naked eye true or false

Which of the following best defines perikymata?

Enamel is approximately ____ thick at the a Cluzel or incisal surface

Enamel is composed of ____ hydroxyapatite

Perikymata are found in which location?

The organic component of enamel is called

Which type of enamel contains many tiny spaces stained with pigment?

Which of the following best defines incremental lines?