Test 1 QnA Flashcards by Dexter Flores

A developmental anomaly on the occlusal surface of bicuspids in a form of tubercle with pulp tissue is

A. Leong’s premolar
B. Turner’s tooth
C. Hutchinson’s tooth
D. Mulberry tooth

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The acquired integument of the teeth is composed of:

A. anaerobic microorganism
B. salivary glycoprotein
C. calcium hydroxyapatite
D. aerobic microorganism

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Which of these of antibodies is found primarily in granular secretion such as mucus, tears and attack pathogens before they enter the body?

A. IgE B. IgA C. IgD D. IgG

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The duct of the parotid is:

A. Bartholin’s duct
B. Wharton’s duct
C. Duct of Rivini
D. Stensen’s duct

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Which of these is not a secretion of the adrenal cortex?

A. Adrenalin
B. Cortisol
C. Sex hormones
D. Aldosterone

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The joint between the occipital bone and sphenoid bone at the base of the skull is:
A. syndesmosis
B. synchondrosis
C. synostosis
D. synarthrosis

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Glycolysis is the breakdown of :
A. glucose
B. ATP
C. Glycogen
D. Pyruvic acid

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The amino acid sequence in a protein is the result of translation of the codons in:
A. rRNA
B. mRNA
C. ribosome
D. tRNA

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Which of these cells are responsible for humoral immunity?

A. B-lymphocytes
B. Eosinophils
C. T-lymphocytes
D. Neutrophils

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The cariogenic microorganisms in the plaque is:

A. Lactobacillus acidophilus
B. Streptococcus mutans
C. Streptococcus salivarus
D. Streptococcus viridans

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The first cranial nerve passes to the base of the cranium from the cavity thru the:

A. frontal bone C. foramen spinosum
B. ethmoid bone D. foramen rotundum

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The term used to describe synthesis of RNA from a template is:

A. transcription
B. translation
C. mutation
D. replication

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The hard palate opposite the maxillary first molar is innervated by:

A. anterior palatine nerve
B. posterior palatine nerve
C. nasopalatine nerve
D. posterior superior alveolar nerve

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Epinephrine is a secretion of the:

A. zona fasciculata
B. adrenal cortex
C. zona glomerulosa
D. chromaffin cell

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The substances that cause adherence of fibronexus in fibroblast is:

A. proteoglycans
B. salivary glycoprotein
C. fibronectin
D. desmosome

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Which of these is in the body secretion as sweat, saliva, and tears with antimicrobial property?

A. phagosome C. lysosome
B. lysozyme D. phagocyte

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Which of these vitamins is not essential for erythropoiesis?

A. vitamin B
B. pyridoxine
C. vitamin C
D. cyanocobalamin

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At what stage of tooth development is the number of teeth determined?

A. eruption
B. proliferation
C. initiation
D. morphodifferentiation

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Which secretion of adrenal cortex has an anti-inflammatory and immunosuppressive effects

A. none of these
B. mineral ocorticoids
C. glucocorticoids
D. dihydroepiandosterone

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Which cells in the Islets of Langerhans secrete glucagon:

A. alpha cells C. beta cells
B. delta cells D. gamma cells

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The articular surface of the mandibular condyle consists of:

A. fibrocartilage which may become fibrous tissue later in life
B. Hyaline and elastic cartilage
C. Fibrous connective which may become fibrocartilage later in life
D. Hyaline cartilage

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Proprioceptors are found in each of the following EXCEPT:

A. pulp of teeth
B. periodontal ligament
C. gingiva
D. temporomandibular joint

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Which of these is an organic integument of the enamel, derived from the reduced enamel epithelium upon eruption?

A. Nasmyth’s membrane
B. Pellicle
C. Dental papillia
D. Denticle

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The main mineral component of the hard tissue of the body is:

A. Calcium carbonate
B. Calcium flouroapatite
C. Tricalcium phosphate
D. Calcium hydroxyapatite

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Which of these do not belong to the buffer system of the body? A. calcium and potassium buffer system B. phospate buffer system C. carbonic acid bicarbonate buffer system D. all of the above

Which of these is not an effect of the sympathetic nervous stimulation? A. increase heart rate B. inhibition of adrenal medulla secretion of epinephrine C. vasoconstriction D. thick serious salivation

Perception of the sense of taste in the anterior two-thirds of the tongue is by the: A. chorda tympani nerve B. glossopharyngeal nerve C. mylohyoid nerve D. lingual nerve

Which of these nerves is not involved in taste sensation? A. vagus nerve B. hypoglossal nerve C. glossopharyngeal nerve D. facial nerve

The shape and number of roots of teeth are determined by: A. size of dental papilla B. enamel size C. size and shape of bone D. Sheath of Hertwig

The motor fibers of the fifth cranial nerve is with the: A. Mandibular nerve C. Ophthalmic nerve B. Maxillary nerve D. Lingual nerve

The Bartholin’s duct originates from which salivary gland? A. Bartholin’s gland B. Submandibular gland C. Parotid gland D. Sublingual gland

Which of the following cells in the periodontal ligament is NOT a neural crest origin? A. Fibroblast B. Osteoblast C. Cementoblast D. Cells of Malassez

The sigmoid pattern of pH in dental plaque after a sucrose rinse is the: A. Stephan’s curve B. Bennett’s curve C. Curve of Spee D. Cushing’s curve

The acquired integument of the teeth is composed of: A. salivary glycoprotein B. calcium hydroxyapatite C. lysozyme D. oral epithelium

Which of these nerves is not found in the pterygomandibular space? A. long buccal nerve B. lingual nerve C. inferior alveolar nerve D. mylohyoid nerve

Which delivers amino acids to the site of peptide bond formation? A. DNA C. TRNA B. MRNA D. RRNA

Loss of secreting capacity of the adrenal cortex or loss of ACTH secretion causes: A. General adaptation syndrome B. Addison’s disease C. Cushing syndrome D. Graves disease

Which vitamin is essential for liver synthesis of prothrombin? A. Vit. K B. Vit. D C. Vit. C D. Vit. B12

Which of these gives rise to the inferior alveolar nerve? A. anterior division of the mandibular nerve B. posterior division of mandibular nerve C. infraorbital nerve D. sphenopalatine nerve

The instructions for protein synthesis are contained in: A. DNA B. Mitochondria C. ADP D. ATP

Which of these antibodies is found primarily in glandular secretions as mucus, tears and saliva and attack pathogens before they enter the body? A. IgE B. IgD C. IgG D. IgA

These are amino acid type of neurotransmitters EXCEPT: A. Acetylcholine B. Glycine C. Glutamate D. Gamma-aminobutyric acid

Number of cervical vertebrae: A. eight B. five C. seven D. six

Triplet code means that each amino acid is represented by: A. three hydrogen bonds between each base pair B. a set of three nucleotide C. one base pair with no redundancy in the code D. three tRNA

The upper lip is formed which embryological process? A. lateral nasal and mandibular processes B. medial nasal and maxillary processes C. medial nasal and lateral nasal processes D. lateral and maxillary processes

The olfactory nerve is the: A. second cranial nerve B. third cranial nerve C. fifth cranial nerve D. first cranial nerve

The periodontal ligament is what type of joint: A. syndesmosis C. gompohosis B. synostosis D. synchondrosis

Which of this is the arterial vascular supply to all teeth? A. maxillary artery B. mandibular artery C. facial artery D. superficial temporal artery

The epidermis consists of the following cells EXCEPT: A. stratified keratinizing epithelium B. goblet cells C. melanocytes D. langerhans cells

Which of the following is not a biological anticoagulant? A. Heparin B. Antithrombin C. Coumarin D. Antithromboplastine

Which of these is not an effect of parathormone when released into the circulation? A. stimulates osteoclast activity B. increases rate of intestinal absorption of calcium C. stimulates osteoblast activity D. decrease rate of calcium excretion

52. The sphenomandibular ligament connects the sphenoid bone to: A. genial tubercle B. coronoid process C. lingula D. neck of condyle

The instructions for protein synthesis are contained in: A. ATP C. DNA B. Mitochondria D. AD

ACTH is a secretion of: A. thyroid B. anterior pituitary gland C. adrenal cortex D. adrenal medulla

The calvaria is formed by these bones EXCEPT: A. parietal B. sphenoid C. occipital D. frontal

Number of cervical vertebrae: A. eight B. seven C. six D. five

Cholinergic receptors on the Largest cells of the parasympathetic nervous system are: A. nicotinic and muscarinic B. muscarinic and alpha C. nicotinic and alpha receptors D. alpha and beta receptors

Incremental lines in enamel corresponding to periods of rest and activity in amelogenesis: A. lines of Von Ebner B. Striae of Retzius C. Contour lines of Owen D. Reversal line

Which of these is the most likely mechanism of tooth eruption? A. growth of alveolar bone B. maturation of periodical ligament fibers C. vascular pressure D. growth of the teeth

Calcitonin is a secretion of the: A. thyroid gland B. pituitary gland C. parathyroid gland D. adrenal gland

Which of the following is not a biological anticoagulant? A. heparin B. antithrombin C. coumarin D. antithromboplastin

Cytoplasmic organelles of cells involved in protein synthesis: A. golgi apparatus B. mitochondria C. lysosome D. endoplasmic reticulum

Which of these is not a function of blood? A. defending the body against toxins B. delivering enzymes and hormone C. regulating body temperature D. processing information

The atlas is also known as: A. C2 B. T1 C. T2 D. C1

If the body is unable to catabolize carbohydrates for energy, the second most important source is: A. lipids B. protein C. nucleic acid D. none of these

Which of these immunoglobulins is responsible for resistancy against viruses, bacteria and bacterial toxins A. IgG B. IgE C. IgD D. IgA

The propagation and perpetuation of the specie is the function of: A. central nervous system B. DNA in the genes C. Cardiovascular system D. Respiratory system

Which of these is an unpaired bone? A. zygomatic B. sphenoid C. temporal D. maxilla

The hematocrit value measures the: A. percentage of platelets per microliter B. coagulation time of blood sample C. blood volume D. percentage of whole blood occupied by cell elements

This component is responsible for the red blood cell ability to transport dissolved gasses: A. mitochondria B. hemoglobin C. lysosome D. Rh factor

The male gamete has the following sex chromosomes: A. X only C. Y only B. X and Y D. X or Y

The most important high-energy compound in the body is: A. H2O B. ATP C. ADP D. GTP

The third division of the trigeminal nerve exits the cranium through the: A. foramen lacerum B. foramen ovale C. foramen spinosum D. foramen rotondun

75. The innervation of the pulp of the mandibular first bicupid is: A. lingual nerve B. inferior alveolar C. mental nerve D. incisive nerve

The sphenomandibular ligament connects the sphenoid bone to: A. neck of condyle B. lingula C. coronoid process D. genial tubercle

To what bone in the cranium is the hyoid bone attached? A. temporal bone B. maxilla C. occipital bone D. sphenoid bone

The motor innervation of the buccinator muscle is: A. zygomatic nerve B. long buccal nerve C. buccinator nerve from facial nerve D. mental nerve

Which of these do not have propioceptors? A. temporomandibular joint B. pulp of teeth C. gingival D. periodontal ligament

The cribriform plate is found in: A. Tongue B. Cortical bone C. Alveolar bone proper D. Condyle of the mandible

Calcitonin is a secretion of the: A. adrenal gland B. thyroid gland C. parathyroid gland D. pituitary gland

Hypocalcified areas in the root dentin are: A. interglobular dentin B. granular layer of Tomes C. zone of Weil D. contour lines of Owen

Which of the masticatory muscles is attached to the coronoid process of the mandible? A. medical pterygoid C. masseter B. temporalis D. buccinator

The chemical mediator nerve impulse transmission is: A. iron and magnesium B. calcium and phosphorous C. Vit. B and Vit. B12 D. Sodium and potassium

Which of these nerves is NOT found in the pterygomandibular space? A. inferior alveolar B. lingual nerve C. mylohyoid nerve D. long buccal nerve

The seventh cranial nerve exist from the cranium thru the: A. stylomastoid foramen B. foramen lacerum C. anterior infraorbital foramen D. foramen spinosum

Which of these venous sinuses is connected to the pterygoid plexus of veins? A. Transverse sinus B. Cavernous sinus C. Sigmoid sinus D. Sagittal sinus

The embedded parts of the periodontal ligament in the bone and cementum are: A. elastic fibers B. cushion hammock ligament C. sharpey’s fibers D. oxytalan fibers

The zygomatic arch is the origin of which muscle of mastification? A. masseter B. temporalis C. buccinator D. zygomaticus

Hypocalcified areas in root dentin are: A. granular layer of Tomes B. interglobular dentin C. zone of Weil D. contour lines of Owen

The pulp of the lower second bicuspid innervated by: A. Cervical nerve B. Inferior alveolar nerve C. Lingual nerve D. Mental nerve

The periodontal ligament is what type of joint? A. synchondrosis B. synostosis C. syndesmosis D. gomphosis

The connective tissue of the teeth and surrounding structures are embryologically derived from: A. endoderm B. mesoderm C. neural crest cells D. ectoderm

Which of the secretion of the posterior pituitary gland with vasoconstrictor properties and used as such with local anesthetics? A. Levophed B. Vasopressin C. Adrenalin D. Norepinephrine

Which of these dental tissue is not of neural crest cell origin? A. dentin B. pulp C. cementum D. enamel

D. Enamel - Ectodermal

Which of the bases of DNA is NOT in mRNA? A. Thymine B. Cytosine C. Guanine D. Adenine