ariogenicity of Streptococcus mutans is because of the production of: A. Glucans B. Levans C. Fructans D. Sucrose

ariogenicity of Streptococcus mutans is because of the production of:
A. Glucans
B. Levans
C. Fructans
D. Sucrose
by

1 Answer

Answer :

A. Glucans
by

Related questions

A patient is resistant to caries but has a periodontal disease. In this case, sucrose in diet is important because: A. Sucrose is greatly involved in plaque development B. S. mutans produces Levans frictions which are used by periodontal pathogens C. The streptococcus mutans cannot survive with a continual supply of sucrose D. Existing plaque must continue to get sucrose in order to grow

Description : A patient is resistant to caries but has a periodontal disease. In this case, sucrose in diet is important because: A. Sucrose is greatly involved in plaque development B. S. mutans produces ... with a continual supply of sucrose D. Existing plaque must continue to get sucrose in order to grow

Last Answer : A. Sucrose is greatly involved in plaque development

.In developing plaque; the adhesive polymer produced by streptococcus mutans is synthesis from: A. Glucose B. Fructose C. Sucrose D. Lactose E. Amylose

Description : .In developing plaque; the adhesive polymer produced by streptococcus mutans is synthesis from: A. Glucose B. Fructose C. Sucrose D. Lactose E. Amylose

Last Answer : C. Sucrose

Streptococcus mutans utilises which subtract to form dextran, Refer to Boucher Microbiology A. Glucose B. Fructose C. Sucrose D. Amylopectin E. Dextrans

Description : Streptococcus mutans utilises which subtract to form dextran, Refer to Boucher Microbiology A. Glucose B. Fructose C. Sucrose D. Amylopectin E. Dextrans

Last Answer : C. Sucrose

Why is the frequency of carbohydrate intake more important than the quantity: A. Low number of streptococcus mutans B. Hetero formation is better at low sugar concentration C. Homo formation is better at high sugar intake D. Restricted diffusion of acid through plaque

Description : Why is the frequency of carbohydrate intake more important than the quantity: A. Low number of streptococcus mutans B. Hetero formation is better at low sugar concentration C. Homo formation is better at high sugar intake D. Restricted diffusion of acid through plaque

Last Answer : D. Restricted diffusion of acid through plaque

The MOST frequently synthesized substance by Streptococcus mutans is: A. Liven B. Fructose C. Glucan D. Glycogen

Description : The MOST frequently synthesized substance by Streptococcus mutans is: A. Liven B. Fructose C. Glucan D. Glycogen

Last Answer : C. Glucan

The condition known as pseudomembranous colitis is associated with a. Excessive antibiotic use in the intestine. b. Invasion of the tissues by Streptococcus mutans. c. Swollen lymph nodes. d. The secondary stage of syphilis.

Description : The condition known as pseudomembranous colitis is associated with a. Excessive antibiotic use in the intestine. b. Invasion of the tissues by Streptococcus mutans. c. Swollen lymph nodes. d. The secondary stage of syphilis.

Last Answer : a. Excessive antibiotic use in the intestine.

At birth, the oral cavity usually contains: A. S. mutans only B. No micro organism C. S. mutans and S. salivavis D. Lactobacilli and S. mutans

Description : At birth, the oral cavity usually contains: A. S. mutans only B. No micro organism C. S. mutans and S. salivavis D. Lactobacilli and S. mutans

Last Answer : B. No micro organism

Patient presents with rapidly progressive root caries on many teeth. Which of the following laboratory results would be a possible indicator of this? A. Stimulated salivary secretion rate of 1.5ml/min B. S. mutans concentration of 105 organism/ml C. A plaque sample containing 5% S. mutans D. A lactobacilli concentration of 105 organism/ml E. Salivary buffering PH 5.5 > 100000 CFU/ml high caries incidence

Description : Patient presents with rapidly progressive root caries on many teeth. Which of the following laboratory results would be a possible indicator of this? A. Stimulated salivary secretion rate of 1.5ml/min B. ... of 105 organism/ml E. Salivary buffering PH 5.5 > 100000 CFU/ml high caries incidence

Last Answer : E. Salivary buffering PH 5.5

Which of the following most probably does not exist in the kids acute gingivitis, A. Spirochetes B. Streptococcus C. Staphylococcus

Description : Which of the following most probably does not exist in the kids acute gingivitis, A. Spirochetes B. Streptococcus C. Staphylococcus

Last Answer : A. Spirochetes

Which of the following is staphylococcal infection: A. Scarlet fever (Streptococcus pyogenes)Bright red tongue with a "strawberry" appearance Forchheimer spots (fleeting small, red spots on the soft palate) may occur B. Pericarditis ( inflammation, caused by viral infection, idiopathic, Mycobacterium t C. Pancreatitis no D. Carbuncle

Description : Which of the following is staphylococcal infection: A. Scarlet fever (Streptococcus pyogenes)Bright red tongue with a "strawberry" appearance Forchheimer spots (fleeting small, red spots on ... inflammation, caused by viral infection, idiopathic, Mycobacterium t C. Pancreatitis no D. Carbuncle

Last Answer : D. Carbuncle

Extracellular polysaccharides in plaque are formed by: A. Bacteria from sucrose B. Precipitated from carbohydrate C. Precipitated from glycoproteins

Description : Extracellular polysaccharides in plaque are formed by: A. Bacteria from sucrose B. Precipitated from carbohydrate C. Precipitated from glycoproteins

Last Answer : A. Bacteria from sucrose

Which of the following has the highest sucrose content: A. Ice cream B. Canned juice C. Cough syrups D. Breakfast cereal E. Sweet potato

Description : Which of the following has the highest sucrose A. Ice cream B. Canned juice C. Cough syrups D. Breakfast cereal E. Sweet potato

Last Answer : C. Cough syrups

A patient who has been taking quantities of aspirin might show increased post operative bleeding because aspirin inhibits:** A. Synthesis of thromboxane A2 and prevents platelet aggregation B. Synthesis of prostacyclin and prevents platelet aggregation C. Synthesis of prostaglandin and prevents production of blood platelets D. Thrombin and prevents formation of the fibrin network E. Increase the absorption of vitamin K and prevents synthesis of blood clotting factors

Description : A patient who has been taking quantities of aspirin might show increased post operative bleeding because aspirin inhibits:** A. Synthesis of thromboxane A2 and prevents platelet aggregation B. ... network E. Increase the absorption of vitamin K and prevents synthesis of blood clotting factors

Last Answer : A. Synthesis of thromboxane A2 and prevents platelet aggregation

Isoniazid has a very narrow drug spectrum as the active form of the drug specifically interferes with cell wall synthesis in _____ by inhibiting the production of mycolic acid in the cell wall. a. Staphylococcus b. Streptococcus c. Enterococcus d. Mycobacterium

Description : Isoniazid has a very narrow drug spectrum as the active form of the drug specifically interferes with cell wall synthesis in _____ by inhibiting the production of mycolic acid in the cell wall. a. Staphylococcus b. Streptococcus c. Enterococcus d. Mycobacterium

Last Answer : d. Mycobacterium

Catalase production is negative in which of the following? A.Streptococcus B.Salmonella C.Proteus D.Staphylococcus

Description : Catalase production is negative in which of the following? A.Streptococcus B.Salmonella C.Proteus D.Staphylococcus

Last Answer : A.Streptococcus

Catalase production is negative in which of the following? A- Streptococcus B- Salmonella C- Proteus D- Staphylococcus

Description : Catalase production is negative in which of the following? A- Streptococcus B- Salmonella C- Proteus D- Staphylococcus

Last Answer : Streptococcus

Thiamine is useful in: A. Collagen synthesis B. Clotting factor production C. Epithelial integrity D. Cellular energy production

Description : Thiamine is useful in: A. Collagen synthesis B. Clotting factor production C. Epithelial integrity D. Cellular energy production

Last Answer : D. Cellular energy production

For immediate energy production in cells, one should take – (1) Glucose (2) Proteins (3) Vitamin C (4) Sucrose

Description : For immediate energy production in cells, one should take – (1) Glucose (2) Proteins (3) Vitamin C (4) Sucrose

Last Answer : (1) Glucose Explanation: Glucose provides immediate energy for our brain and red blood cells. The most pressing need of all cells in the body is for an immediate source of energy. Some cells such ... glucose or ATP, and for this reason, the blood must maintain a fairly constant supply of glucose.

For immediate energy production in cells, one should take (1) Glucose (2) Proteins (3) Vitamin C (4) Sucrose

Description : For immediate energy production in cells, one should take (1) Glucose (2) Proteins (3) Vitamin C (4) Sucrose

Last Answer : Glucose

In regard to Benzodiazepines: a. Increases R.E.M. sleep. b. Has a hangover effects because of active metabolism. c. Includes carbamazepine. d. Can be used safely on children as it achieves reliable effects.

Description : In regard to Benzodiazepines: a. Increases R.E.M. sleep. b. Has a hangover effects because of active metabolism. c. Includes carbamazepine. d. Can be used safely on children as it achieves reliable effects.

Last Answer : b. Has a hangover effects because of active metabolism.

Ankylotic primary second molar in the mandible is not always a good space maintainer because of: a. Mesial inclination of the 1st permanent molar. b. It does not keep up with the rest of occlusion. c.Dull on percussion.

Description : Ankylotic primary second molar in the mandible is not always a good space maintainer because of: a. Mesial inclination of the 1st permanent molar. b. It does not keep up with the rest of occlusion. c.Dull on percussion.

Last Answer : b. It does not keep up with the rest of occlusion.

Which of the following statements concerning the use of radiography for children is incorrect? A. techniques are the same as those used in adults B. easier because of the smallness of the child’s mouth C. made difficult by the child’s nervousness and his tendency to gag D. helpful in overcoming some of these difficulties are consideratehandling of the child, the use of small size film and the use of ultra speed

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Last Answer : A. First statement is true, but the reason given is false

What is TRUE about Benzodiazepine and diazepam in 5-10mg oral dose used for oral sedation in dentistry: A. Good analgesic effect if given 1 hour prior to dental sessions B. Would be reversed by flumazepil because it is a Benzodiazepam C. Post operative headache D. There is a profound amnesic action and no side affects

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Last Answer : B. Would be reversed by flumazepil because it is a Benzodiazepam

Absence of clearly defined crystal lamina dura is because: A. Pathognomonic of periodontal disease B. Indicative of attachment loss C. Associated with periodontal pocket D. Commonly related to radiograph angulation

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Last Answer : D. Commonly related to radiograph angulation

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In class II preparation it is difficult to place the gingival seat when preparation is extended too gingivally because the: A. Enamel rods are directed occlusally B. Marked cervical constriction

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Last Answer : B. Marked cervical constriction

In patients with exposed root surfaces: A. Ask to use low abrasive dentifrices B. It is because of dental hypersensitivity

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After completing pulp extirpation, debridement and placing a dressing; apical periodontitis is because: A. Over instrumentation extending into periapical area B. Irritation from chemicals used C. Entrapped bacteria D. One or any combination of the above

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Last Answer : D. One or any combination of the above

Self polymerising acrylic resins differ from heat cured resins because they exhibit: A. Higher molecules weight B. Higher content of residual monomers

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The use of nickel chromium in base plate should be judiciously considered because: A. A significant number of females are allergic to nickel B. A significant number of female are allergic to chromium C. A significant number of males are allergic to nickel

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High copper amalgam lasts longer than low copper amalgam because of:** A. Increased compressive strength B. Increased corrosion resistance C. High creep D. Increased tensile strength E. Decreased setting expansion

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Last Answer : A. Increased compressive strength 

A 30 years-old male complains of painless swelling in the buccal mucosa. It has been present for about six months. He admits “playing with it”. He is concerned because this might represent cancer. The base is narrow; the most likely diagnosis is:

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Nitrous Oxide (N2O) is not used alone as a general anaesthetic agent because of:** A. Difficulties in maintaining an adequate O2 concentration B. Adverse affects on liver C. Poor analgesics affects

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Last Answer : C. Poor analgesics affects

A patient with long standing rheumatoid arthritis and a history of steroid therapy presents for multiple extractions. The dentist should consult the patient’s physician because: A. Patient is more susceptible to infection B. Patient may have a suppressed adrenal cortex C. Patient will need haematological evaluation

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Last Answer : B. Patient may have a suppressed adrenal cortex

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Last Answer : B. Thinner bone

lass Ionomer Cement sets because of,** A. Acid-Base reaction B. Addition polymerisation reaction C. Growth of glass crystals D. Slip plane locking E. Solvent evaporation

Description : lass Ionomer Cement sets because of,** A. Acid-Base reaction B. Addition polymerisation reaction C. Growth of glass crystals D. Slip plane locking E. Solvent evaporation

Last Answer : A. Acid-Base reaction

Mercury is dangerous when it turns into vapour form because of, A. It is accumulative and causes liver poison B. It is accumulative and causes kidney poison C. It induces neoplasia in the liver D. It is accumulative and causes brain poison E. It induces neoplasia in the brain

Description : Mercury is dangerous when it turns into vapour form because of, A. It is accumulative and causes liver poison B. It is accumulative and causes kidney poison C. It induces neoplasia in the liver D. It is accumulative and causes brain poison E. It induces neoplasia in the brain

Last Answer : D. It is accumulative and causes brain poison

The gingival portion of natural teeth differs in colour from the incisal portion because the : A. Lighting angle is different B. Gingival and incisal portions have different fluorescent qualities C. Gingival area has a dentine background D. Incident light is different

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Last Answer : C. Gingival area has a dentine background

In electro surgery, the tissue may stick to the electrode because of , A. The current intensity is too high B. The current intensity is too low

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Last Answer : B. The current intensity is too low

Ledermix is used in RCT to relieve pain because of, A. Antibiotics B. Corticosteroid

Description : Ledermix is used in RCT to relieve pain because of, A. Antibiotics B. Corticosteroid

Last Answer : A. Antibiotics B. Corticosteroid

Wax patterns ARE NOT to be left on the bench for long time because of, A. Distortion B. Lost of elasticity

Description : Wax patterns ARE NOT to be left on the bench for long time because of, A. Distortion B. Lost of elasticity

Last Answer : A. Distortion

Treatment of fibrous dysplasia consists of, A. Resection B. Complete excision if it affects small area; if it is large lesion, limited excision surgery because of the cosmetic considerations. C. Irradiation D. Excision and removal of adjacent teeth E. None of the above

Description : Treatment of fibrous dysplasia consists of, A. Resection B. Complete excision if it affects small area; if it is large lesion, limited excision surgery because of the cosmetic considerations. C. Irradiation D. Excision and removal of adjacent teeth E. None of the above

Last Answer : B. Complete excision if it affects small area; if it is large lesion, limited excision surgery because of the cosmetic considerations.

What is the most common fracture of Class II amalgam restorations: A. Isthmus because of insufficient depth B. Internal fracture C. Marginal ridge site

Description : What is the most common fracture of Class II amalgam restorations: A. Isthmus because of insufficient depth B. Internal fracture C. Marginal ridge site

Last Answer : A. Isthmus because of insufficient depth

When preparing a class III cavity for composite restoration; in which situation should acid itching be used: A. Always should be performed to minimise marginal leakage B. Should not be performed because it might damage the adjacent tooth C. When extra retention is required D. Only in situations where cavity is shallow to avoid pulp irritation

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Last Answer : A. Always should be performed to minimise marginal leakage

When repairing a fracture of a lower complete denture, which statement is correct: A. Self curing will distort the denture B. Cold curing will not be strong enough because of small area of attachment C. There is a possibility of occlusal disharmony

Description : When repairing a fracture of a lower complete denture, which statement is correct: A. Self curing will distort the denture B. Cold curing will not be strong enough because of small area of attachment C. There is a possibility of occlusal disharmony

Last Answer : C. There is a possibility of occlusal disharmony

Which of the following is true in relation to dental decay? A. Foods that require vigorous mastication will increase salivary flow and reduce PH B. Tooth brushing immediately after meals is most effective because demineralisation has already started C. Food that encourage the mastication will increase the number of lymphocytes in saliva and thus reduce decay D. Vigorous mastication will increase plaque PH and lead to reduce of decays E. The Stephan Curve describes an increase in PH during a meal with resultant of demineralisation

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Last Answer : E. The Stephan Curve describes an increase in PH during a meal with resultant of demineralisation

Plaque is considered as an infection because: A. Antibiotic therapy prevents or stop its formation B. Indication of bacterial activity C. It is common to both animal and human

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Last Answer : B. Indication of bacterial activity

A curette may be inserted to the level of the attached gingiva with minimal trauma to the tissues because of: A. Has a round base B. Is easy to sharpen C. Has rounded cutting edges D. Provides good tactile sensitivity

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Last Answer : A. Has a round base