SET 3 Flashcards by Dwaine Villalobos

Most numerous papillae of the tongue but has no taste buds

filiform

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Nociceptors are receptors for what sensation?

temporalis

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Muscles that elevate the mandible (3)

medial pterygoid
temporalis
masseter

*lateral pterygoid - EXCEPTION

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Bartholin’s duct originate from what salivary gland?

sublingual gland

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During bone resorption, osteoclasts are found in ________

Howship’s lacunae

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Nasmyth’s membrane of newly erupted teeth is from _________

reduced enamel epithelium

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Cells responsible for cellular immunity

T-lymphocytes

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Unit structure of a protein molecule

amino acid

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Nerve of the dental pulp are ______

afferent and sympathetic

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Misplaced sebaceous glands in the vestibular mucosa of the cheek

Fordyce spots

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Insulin is a secretion of _____ cells from the Islets of Langerhans

beta

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Norepinephrine neurotransmitter binds to ________ receptors in the effector organ

alpha

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Chemical mediator of nerve impulse transmission

sodium and potassium

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What arteries of the neck is derived the arterial blood supply of the oral cavity

external carotid

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Palatal mucosa of the maxillary anterior teeth is innervated by _________

nasopalatine nerve

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Embryonic precursor of the cementoblast

dental sac

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Calcified structures found in the pulp

denticles

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Organic bases of the DNA molecule that connects the two strands of nucleotides (3)

adenine
thymine
cytosine

*uracil - EXCEPTION

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Epithelial surface variation with the purpose of increasing surface area

microvilli

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Maxillary sinus communicates with the nasal cavity through the ________

osteo maxillare

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The first cranial nerve passes thru the anterior cranial fossa from the nasal cavity via the _________

ethmoid bone

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Passageway for nutrients and oxygen to compact bone

osseous matrix

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Normal gingival sulcus is bounded by ________

crevicular epithelium and tooth surface

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Incremental lines denoting the periods of rest and activity of ameloblast in the enamel

Lines of Retzius

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Sigmoid pattern of pH change in the bacterial plaque after sucrose rinse

Stephan's curve

In the regulation of the blood calcium level, the parathyroid hormone increase blood calcium level by (3)

promote formation reabsorption in the kidneys vit D increase calcium absorption by the intestines stimulates formation of vitamin D by the kidneys

Mechanism by which leukocytes are attracted to foreign materials or microorganisms

chemotaxis

When the mandible is in physiologic rest position, the contact of the maxillary and mandibular teeth are in __________

no contact of maxillary and mandibular

Cell that are not enlarged in phagocytosis

erythrocytes

Vitamin B complex deficiency which causes angular chelitis

vitamin B2

What bones is the middle ear located?

petrous temporal

Main fibrillar component of the matrix of dentin, cementum and bone is ___________

collagen

Hormones involved in the fight or flight response of the body

epinephrine

single-stranded molecule complement a strand of DNA made up in the nucleus of teh cell

mRNA

Main mineral component of the hard tissues of the teeth is _______

calcium hydroxyapatite

Interdental blood vessels anastomose with _________

both periodontal and intraalveolar vessels

Structures found in the oral mucosa (3)

basal lamina spinous layer spinous layer muscularis mucosa

Cholinergic receptors in the target cells of the parasympathetic nervous system

muscarinic and nicotinic

The double helix structure of DNA is held together by the hydrogen bonds between the pairs _________

A-T and G-C

Bone that forms the roof the infratemporal fossa

greater wing of sphenoid

Part of the nervous system that contains the cardiac, vomiting, and vasomotor centers

medulla

Term given to the lymphoid tissue forming the lingual palatine and pharyngeal tonsils

Waldeyer's ring

Curvature of the occlusal plane of the mandibular posterior teeth from the horizontal plane

curve of spee

Gametes of a male during meiosis has ________ of chromosomes

23 pairs

Dentin reaction to stimuli characterized by sealed air-filled tubules

dead tracks

Transitional zone from the skin of the lips to the oral mucosa

vermillion border

When the teeth are in centric occlusion, the position of the mandible in relation to the maxilla is determined by _______

intercuspation of teeth

The first or earliest dental structure to be laid down during tooth development

dentin matrix

Cells in PDL that are neural crest origin (3)

cementoblast odontoblast fibroblast

Motor innervation of the muscles of mastication come from ______

mandibular nerve

The prothrombin time can be prolonged under various circumstances (liver disease, chloramphenicol meds, vit K deficiency) EXCEPT ___________

pregnancy

Embedded parts of PDL in both bone and cementum

Sharpey's fibers

Blood cells that increases during allergy and certain parasitic infections

eosinophils

Most numerous immunoglobulin that is involved in immunity against pathogens as bacteria, viruses, fungi

IgG

These structures are found in dentin (3)

odontoblastic process contour lines of Owen striation of von Ebner *striation of Retzius - EXCEPTION

Bones that do not join with other bones in the head

hyoid

Passage of water a selectively permeable membrane

osmosis

Nerve that conveys taste from the posterior third of the tongue, circumvallate papilla, superior pharynx

glossopharyngeal

Muscle supplied by the facial nerve

mentalis

Separates the stomodeum and the foregut in the early stage of development

buccopharyngeal membrane

What branch of the external carotid artery does the maxillary and mandibular teeth supporting structures get its arterial blood supply?

maxillary artery

Loss of the secreting capacity of the adrenal cortex or loss of ACTH secretion

Addison's disease

What blood type is called the Universal donor in blood transfusions?

Permanent teeth that is generally the first to erupt

mandibular first molar

Vitamins necessary for blood synthesis (3)

folic acid iron vitamin B12

The perforations of the cribriform plate of alveolar bone ________

passage of vascular and nerve bundles

Bone in the cranium that articulates with the atlas of the vertebra

occipital

Normal pH value for body fluid

7.4

Masseter muscle originates from _________

zygomatic arch

Calcified bodies found in the PDL space

cementicle

Vitamin necessary for bone growth by facilitating the absorption of calcium from the intestine

vitamin D

Amino acid that is hydroxylated in the synthesis of collagen

proline

The pituitary gland is located in the hypophyseal fossa of _________ bone

sphenoid

The sphenopalatine ganglion is found in the _______

pterygopalatine space

Found between the anterior and posterior pillars of the frauces

palatine tonsils

Do not have any direct or indirect connection with the pterygoid plexus of veins

vertebral vein

Transfers genetic information from the nucleus to the cytoplasmic ribosomes for protein synthesis

mRNA

Cellular cementum differs from acellular cementum in that there are _________ embedded in matrix of ____________ cementum

cementocytes; cellular

Multiple roots are formed as a result of unequal proliferation of the

epithelial diaphragm

Fan-shaped poorly calcified areas in enamel originating from the dentinoenamel junction extending for a short distance

enamel tufts

Plasma proteins (3)

fibrinogen globulin albumin

Hormones that are secretion of the adenohypophysis (3)

growth hormone ACTH thyrotropic hormone

Hormone from the thyroid gland which decreases osteoclastic activity to help in the maintenance of the blood calcium level

calcitonin

Adrenocorticotrophic hormone is a secretion of the ___________

anterior pituitary

Reproductive hormones (3)

estrogen testosterone progesterone *aldosterone - EXCEPTION

Vitamin deficiency which causes beri-beri

vitamin B1

Lymphatic organs (3)

spleen thymus tonsil

Pain sensation that cannot be perceived by the pulp

pressure

Permanent change in a cell's DNA affecting the nucleotide sequence of one or more gene

mutation

If the chorda tympani is severed, the result is _________

loss of taste in the anterior 2/3 of the tongue

Permanent teeth that succeeds the first deciduous molars

first bicuspid