The layer of cells that secrete enamel of tooth is (a) osteoblast (b) odontoblast (c) dentoblast (d) ameloblast.

The layer of cells that secrete enamel of tooth is
(a) osteoblast (b) odontoblast
(c) dentoblast (d) ameloblast.
by

1 Answer

Answer :

(b) odontoblast
by

Related questions

Which one of the following statement is correct, A. The remnants of Ameloblast contribute to the primary enamel cuticle B. the last secretion of the odontoblast is cementum X C. The last secretion of the ameloblast is the acquired of enamel cuticle D. The remnants of odontoblast form the primary enamel cuticle

Description : Which one of the following statement is correct, A. The remnants of Ameloblast contribute to the primary enamel cuticle B. the last secretion of the odontoblast is cementum X C. The ... ameloblast is the acquired of enamel cuticle D. The remnants of odontoblast form the primary enamel cuticle

Last Answer : A. The remnants of Ameloblast contribute to the primary enamel cuticle

which one of the following statement is correct, A. The remnants of Ameloblast contribute to the primary enamel cuticle B. the last secretion of the odontoblast is cementum C. The last secretion of the ameloblast is the acquired of enamel cuticle D. The remnants of odontoblast form the primary enamel cuticle

Description : which one of the following statement is correct, A. The remnants of Ameloblast contribute to the primary enamel cuticle B. the last secretion of the odontoblast is cementum C. The last ... is the acquired of enamel cuticle D. The remnants of odontoblast form the primary enamel cuticle

Last Answer : A. The remnants of Ameloblast contribute to the primary enamel cuticle

Which of the following statements is true: A. Last secretion of odontoblast forms cementum B. Last secretion of odontoblast forms acquired enamel cuticle C. Remnants of ameloblasts form primary enamel cuticle D. Remnants of odontoblasts form primary enamel cuticle

Description : Which of the following statements is true: A. Last secretion of odontoblast forms cementum B. Last secretion of odontoblast forms acquired enamel cuticle C. Remnants of ameloblasts form primary enamel cuticle D. Remnants of odontoblasts form primary enamel cuticle

Last Answer : C. Remnants of ameloblasts form primary enamel cuticle

Which cells of mucous layer of stomach secrete pepsinogen

Description : Which cells of mucous layer of stomach secrete pepsinogen

Last Answer : Which cells of mucous layer of stomach secrete pepsinogen A. Chief cell B. Goblet cell C. Parietal cel D. Oxyntic cell

Was my father right in saying electric toothbrushes remove tooth enamel?

Description : Was my father right in saying electric toothbrushes remove tooth enamel?

Last Answer : No more so, I’m guessing, than extremely aggressive brushing with a regular toothpaste. My dentist recommends soft toothbrushes but okays my using my electtric if I use a soft tip—which I do. Also, my electric has a built-in timer.

What does enamel cover? (1) Crown of the tooth (2) Dentin on all sides (3) Cementum (4) Cementum and partly dentin

Description : What does enamel cover? (1) Crown of the tooth (2) Dentin on all sides (3) Cementum (4) Cementum and partly dentin

Last Answer : (1) Crown of the tooth Explanation: The basic unit of enamel is called an enamel rod which is a tightly packed mass of hydroxyapatite crystals in an organized pattern. In cross section, it is best compared ... the crown of the tooth, and the bottom, or tail, oriented toward the root of the tooth.

Tooth enamel is the hardest substance found in the human body. What is it made up of - (1) Calcium carbonate (2) Limestone (3) Calcium phosphate (4) Calcium fluoride

Description : Tooth enamel is the hardest substance found in the human body. What is it made up of - (1) Calcium carbonate (2) Limestone (3) Calcium phosphate (4) Calcium fluoride

Last Answer : (3) Calcium phosphate Explanation: The protective layer around your teeth, called enamel, is the strongest substance that our body produces. In fact, tooth enamel is stronger than any other substance on earth except for diamonds.

Which is the hardest substance in the human body? A. Tooth enamel (Answer) B. Skull C. Knee cap D. Rib

Description : Which is the hardest substance in the human body? A. Tooth enamel (Answer) B. Skull C. Knee cap D. Rib

Last Answer : A. Tooth enamel (Answer)

The nature of calcium phosphate present in tooth enamel is (a)Basic (b)Acidic (c ) Neutral (d) Amphoteric

Description : The nature of calcium phosphate present in tooth enamel is (a)Basic (b)Acidic (c ) Neutral (d) Amphoteric

Last Answer : (a)Basic

Tooth enamel is made up of: a) Potassium b) Calcium carbonate c) Calcium phosphate d) Calcium oxide

Description : Tooth enamel is made up of: a) Potassium b) Calcium carbonate c) Calcium phosphate d) Calcium oxide

Last Answer : c) Calcium phosphate

In preparing a very small proximal amalgam cavity on a molar tooth what would consider, A. Extend the cavity to the gingival margin B. Extend the cavity beyond the contacts areas C. Achieve at least 2mm in dentine D. Extend cavity just beyond dento enamel junction

Description : In preparing a very small proximal amalgam cavity on a molar tooth what would consider, A. Extend the cavity to the gingival margin B. Extend the cavity beyond the contacts areas C. Achieve at least 2mm in dentine D. Extend cavity just beyond dento enamel junction

Last Answer : D. Extend cavity just beyond dento enamel junction

The surface of enamel rod prisms in permanent teeth is: A. Perpendicular to the outer surface of the tooth B. Parallel to the outer surface of the tooth C. Parallel to enamel contour D. Parallel to enamel-dentine contour

Description : The surface of enamel rod prisms in permanent teeth is: A. Perpendicular to the outer surface of the tooth B. Parallel to the outer surface of the tooth C. Parallel to enamel contour D. Parallel to enamel-dentine contour

Last Answer : A. Perpendicular to the outer surface of the tooth

The effectiveness of the acid etch is dependent on which of the following factors: A. Material must be used to clean the surface of the tooth prior to etching B. The effectiveness of the itchant C. The chemical and physical nature of the tooth D. The area and surface of the enamel to be itched

Description : The effectiveness of the acid etch is dependent on which of the following factors: A. Material must be used to clean the surface of the tooth prior to etching B. The effectiveness of the itchant C. The chemical and physical nature of the tooth D. The area and surface of the enamel to be itched

Last Answer : C. The chemical and physical nature of the tooth

Odontogenic cysts develop from the following structures except: A. Reduced enamel epithelium of tooth crown B. Dental lamina dura C. Epithelium trapped after sutures D. ertwig’s root sheath

Description : Odontogenic cysts develop from the following structures except: A. Reduced enamel epithelium of tooth crown B. Dental lamina dura C. Epithelium trapped after sutures D. ertwig’s root sheath

Last Answer : C. Epithelium trapped after sutures

When you try to seat a crown on a tooth you find a discrepancy of 0.3mm at the margin; you will: A. Reduce inner surface of crown B. Remake a new crown C. Smooth the enamel at the margin D. Hand burnish crown margins

Description : When you try to seat a crown on a tooth you find a discrepancy of 0.3mm at the margin; you will: A. Reduce inner surface of crown B. Remake a new crown C. Smooth the enamel at the margin D. Hand burnish crown margins

Last Answer : B. Remake a new crown

Calculus attaches to teeth surfaces by: A. Acquired pellicle B. Interlocking to the crystals of the tooth C. Penetrated into enamel and dentine D. Mechanical interlocking E. All of the above

Description : Calculus attaches to teeth surfaces by: A. Acquired pellicle B. Interlocking to the crystals of the tooth C. Penetrated into enamel and dentine D. Mechanical interlocking E. All of the above

Last Answer : E. All of the above

A crown casting with a chamfer margin fits the die; but in the mouth the casting is open approximately 0.3mm. A satisfactory fit and accurate physiological close of the gingival area of the crown can BEST be achieved by: A. Hand burnishing B. Mechanical burnishing C. Using finishing burs and points to remove the enamel margins on the tooth D. Making a new impression and remaking the crown E. Relieving the inside of the occlusal surface of the casting to allow for further

Description : A crown casting with a chamfer margin fits the die; but in the mouth the casting is open approximately 0.3mm. A satisfactory fit and accurate physiological close of the gingival area of the crown ... the crown E. Relieving the inside of the occlusal surface of the casting to allow for further

Last Answer : D. Making a new impression and remaking the crown

The minimal labial tooth reduction for satisfactory aesthetics with porcelain fused to metal crown is, A. 1mm B. The full thickness of enamel C. 1.5 mm D. 2.5mm E. One third of the dentine thickness

Description : The minimal labial tooth reduction for satisfactory aesthetics with porcelain fused to metal crown is, A. 1mm B. The full thickness of enamel C. 1.5 mm D. 2.5mm E. One third of the dentine thickness

Last Answer : C. 1.5 mm

When the enamel of the tooth is exposed to preparation containing high concentrations of fluoride the major reaction is: M07 A. Sodium fluoride B. Calcium fluoride C. Stannous fluoride D. Fluoroapatite

Description : When the enamel of the tooth is exposed to preparation containing high concentrations of fluoride the major reaction is: M07 A. Sodium fluoride B. Calcium fluoride C. Stannous fluoride D. Fluoroapatite

Last Answer : D. Fluoroapatite

Of all the factors that increase the resistance of teeth to dental caries, THE MOST EFFECTIVE is,** A. The general nutrition of a child during the period of tooth formation B. The intake of fluoride during the period of enamel mineralization and maturation C. Periodic topical fluoride application by dental health care following tooth eruption D. Sufficient intake of calcium and Vitamin D during the period of enamel mineralization and maturation

Description : Of all the factors that increase the resistance of teeth to dental caries, THE MOST EFFECTIVE is,** A. The general nutrition of a child during the period of tooth formation B. The ... eruption D. Sufficient intake of calcium and Vitamin D during the period of enamel mineralization and maturation

Last Answer : B. The intake of fluoride during the period of enamel mineralization and maturation

Which of the following anomalies occurs during the initiation and proliferation stages of tooth development A. Amelogenesis imperfecta (developmental defect) B. Dentinogenesis imperfecta (developmental defect) C. Enamel hypoplasia (AI type) D. Oligodontia E. Ankylosis

Description : Which of the following anomalies occurs during the initiation and proliferation stages of tooth development A. Amelogenesis imperfecta (developmental defect) B. Dentinogenesis imperfecta (developmental defect) C. Enamel hypoplasia (AI type) D. Oligodontia E. Ankylosis

Last Answer : D. Oligodontia

Nutrition to the tooth is supplied through (a) Alveolus (b) Pulp cavity (c) Enamel (d) Ail

Description : Nutrition to the tooth is supplied through (a) Alveolus (b) Pulp cavity (c) Enamel (d) Ail

Last Answer : (b) Pulp cavity

Main part of tooth is (a) Enamel (b) Dentine (c) Pulp (d) None

Description : Main part of tooth is (a) Enamel (b) Dentine (c) Pulp (d) None

Last Answer : (b) Dentine

Hardest part of tooth is (a) Dentine (b) Enamel (c) Pulp (d) None

Description : Hardest part of tooth is (a) Dentine (b) Enamel (c) Pulp (d) None

Last Answer : (b) Enamel

What does enamel cover ? (1) Crown of the tooth (2) Dentin on all sides (3) Cementum (4) Cementum and partly dentin

Description : What does enamel cover ? (1) Crown of the tooth (2) Dentin on all sides (3) Cementum (4) Cementum and partly dentin

Last Answer : Crown of the tooth

What is Osteoblast ?

Description : What is Osteoblast ?

Last Answer : : Bone cells are called osteoblasts.

What is Osteoblast ?

Description : What is Osteoblast ?

Last Answer : : Osteoblasts are bone cells that look like many spiders with branches.

An osteon is defined as a a) microscopic functional bone unit. The center of an osteon contains a capillary. b) bone-forming cell. An osteoblast is a bone-forming cell. c) bone resorption cell. An osteoclast is a bone resorption cell. d) mature bone cell. An osteocyte is a mature bone cell.

Description : An osteon is defined as a a) microscopic functional bone unit. The center of an osteon contains a capillary. b) bone-forming cell. An osteoblast is a bone-forming cell. c) bone resorption cell. An osteoclast is a bone resorption cell. d) mature bone cell. An osteocyte is a mature bone cell.

Last Answer : a) microscopic functional bone unit. The center of an osteon contains a capillary.

What is the danger of using air as a cooler during cavity cutting: A. Hypersensitivity B. Odontoblast is drawn into the tubule

Description : What is the danger of using air as a cooler during cavity cutting: A. Hypersensitivity B. Odontoblast is drawn into the tubule

Last Answer : B. Odontoblast is drawn into the tubule

The first line of host defense is the barrier presented to the external environment. Which of the following statement(s) is/are true concerning host barriers? a. Sebaceous glands secrete chemical compounds that maintain a relatively high pH, providing effective bacterial stasis b. Within the respiratory tract, ciliary function serves to extrude microorganisms trapped within the mucus secretion layer c. The low pH within the stomach markedly decreases bacterial content of the upper gastrointestinal tract d. Gut peristalsis serves to prevent microbial adherence and invasion

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Last Answer : Answer: b, c, d The skin, mucus membranes, and epithelial layers of various organs of the body constitute effective physical barriers against microbial invasion. In certain portions of the ... very low pH within the stomach and gut peristalsis both serve to prevent microbial adherence and invasion

Which of the following statements is the characteristics of human cornea? (a) It is secreted by conjuctiva and glandular layer. (b) It is a lacrimal gland which secrete tears. (c) Blood circulation is absent in cornea. (d) In old age it becomes the cause of cataract.

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Last Answer : (c) Blood circulation is absent in cornea.

Where do Maryland bridges lose retention often: A. Resin-metal B. Resin enamel C. Resin layer

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Last Answer : A. Resin-metal

Liver cells secrete -

Description : Liver cells secrete -

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One of the following cells secrete hormone

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Last Answer : One of the following cells secrete hormone A. Cells of Leydig B. Cells of Sertoli C ... `rarr` Secondary spermatocytes D. Secondary spermatocytes.

Sertoli cells secrete a hormone

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Tubular cells secrete _____ and _____

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Tubular cells secrete _____ and _____

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Why Cells that carry on digestion within the cell do not partly digest themselves because they secrete their digestive enzymes into membrane-enclosed?

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Last Answer : Answer : B

The following statement(s) is/are true concerning cellular defense mechanisms. a. Macrophages function solely as antigen processing cells in the initial reaction to exposure to an antigen b. Macrophages may become activated and secrete cytokines c. Macrophages serve as phagocytic cells in the tissues but not within the bloodstream d. Polymorphonucleocytes (PMNS) are normally present in only small numbers within the tissue and enter an area of infection through diapedesis

Description : The following statement(s) is/are true concerning cellular defense mechanisms. a. Macrophages function solely as antigen processing cells in the initial reaction to exposure to an antigen b. Macrophages ... in only small numbers within the tissue and enter an area of infection through diapedesis

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Which of the following is/are true concerning wound fibroblasts? A. Fibroblasts synthesize and secrete collagen molecules. B. Wound fibroblasts are derived from blood-borne precursor cells. C. Fibroblasts migrate to a wound along fibrin strands, which are used as a scaffold. D. Large amounts of fibrin or blood clot can act as a physical barrier to fibroblast penetration, which delays normal wound healing.

Description : Which of the following is/are true concerning wound fibroblasts? A. Fibroblasts synthesize and secrete collagen molecules. B. Wound fibroblasts are derived from blood-borne precursor cells. C. ... clot can act as a physical barrier to fibroblast penetration, which delays normal wound healing.

Last Answer : Answer: ACD DISCUSSION: Fibroblasts appear in the wound on about the third day of healing and begin to synthesize and secrete collagen molecules. Wound fibroblasts arrive from cells surrounding ... enzymes, and large amounts of fibrin and blood clot prevent fibroblasts from entering the wound

Which of the following cells secrete insulin? (1) Alpha cells (2) Delta cells (3) Nerve cells (4) Beta cells

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Last Answer : (c) seminiferous tubules and provide nutrition to germ cells

Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+. (b) Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries. (c) About 60% of starch is hydrolysed by salivary amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.

Description : Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions ... amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.

Last Answer : (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na

Which of the following statements is not correct? (a) Oxyntic cells are present in the mucosa of stomach and secrete HCl. (b) Acini are present in the pancreas and secrete carboxypeptidase. (c) Brunner’s glands are present in the submucosa of stomach and secrete pepsinogen. (d) Goblet cells are present in the mucosa of intestine and secrete mucus

Description : Which of the following statements is not correct? (a) Oxyntic cells are present in the mucosa of stomach and secrete HCl. (b) Acini are present in the pancreas and secrete carboxypeptidase. (c ... and secrete pepsinogen. (d) Goblet cells are present in the mucosa of intestine and secrete mucus

Last Answer : (c) Brunner’s glands are present in the submucosa of stomach and secrete pepsinogen.

Which cells of ‘Crypts of Lieberkuhn’ secrete antibacterial lysozyme? (a) Paneth cells (b) Zymogen cells (c) Kupffer cells (d) Argentaffin cells

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