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
Description : What DOES NOT prevent the calculus formation: A. Mastication B. Tooth shape C. Tooth inclination and crowding D. Salivary flow E. Oral flora
Last Answer : A. Mastication
Description : 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 ... E. The Stephan Curve describes an increase in PH during a meal with resultant of demineralisation
Last Answer : E. The Stephan Curve describes an increase in PH during a meal with resultant of demineralisation
Description : A patient on the dental chair has cardiac arrest. What is INCORRECT, A. Observing the vital signs and check that the air way is clear is at high importance B. Expired air has 15% O2 only, ... D. Intermittent positive pressure is better than mouth to mouth when it has been given at the same rate.
Last Answer : C. Intermittent positive pressure at the rate of 40/min will reduce the chances of cerebral hypoxia
Description : A middle aged woman gives a history of intermittent unilateral pain in the sub mandibular region, most probable cause is, A. Calculus in the salivary duct resulting in sialolithiasis. B. Ranula C. Cyst D. Mucocele
Last Answer : A. Calculus in the salivary duct resulting in sialolithiasis.
Description : Painful salivary glands MOST likely indicate to:** A. Mucocele B. Mumps C. Sjögren’s syndrome
Last Answer : B. Mumps
Description : Treatment of either salivary or multiple Giant Cell lesion is, A. Marsupialization B. In velation and packing ap?? C. Cold well?? D. Surgical curettage E. None of the above
Last Answer : D. Surgical curettage
Description : If the GFR is 125 mL/min and the renal plasma flow is 700 mL/min, the filtration fraction is
Last Answer : If the GFR is 125 mL/min and the renal plasma flow is 700 mL/min, the filtration fraction is A. About 6% B. About 18% C. About 12% D. About 24%
Description : The radius of a sphere is 8 cm and 0.02 cm is the error in its measurement. Find the approximate error in its volume.
Last Answer : The radius of a sphere is 8 cm and 0.02 cm is the error in its measurement. Find the approximate error in its volume.
Description : An OP amp has an open loop gain of 1,00,000. If the feedback fraction is 0.02, the approximate closed loop gain is (a) 1 (b) 1,00,000 (c) 50 (d) 0.02
Last Answer : The closed loop gain Ag = G/(1+G*f) Where G is the open loop gain and f is the feedback fraction So Ag = 49.975
Description : The normal values for creatinine clearance varies from (A) 20–40 ml/min (B) 40–60 ml/min (C) 70–85 ml/min (D) 95–105 ml/min
Last Answer : Answer : D
Description : You wish to purchase a dental X ray machine and have the choice between 60kVp and 70kVp machines. With single change from 60kVp to 70kVp what would the approximate affects on exposure time?CHECK A. No effect B. Half the time C. Double D. Quarter E. Triple the time
Last Answer : B. Half the time
Description : Patient reported to you 30 min after trauma to central incisor. Patient is 10 yrs old and there is traumatic exposure of pulp. What will be the line of treatment- 1) coronal pulpotomy and Ca-hydr. ... 3) 1-2 mm. of coronal pulp extirpated and Ca hydroxide and then permanent filling 4) Pulpectomy
Last Answer : 3) 1-2 mm. of coronal pulp extirpated and Ca hydroxide and then permanent filling
Description : If mass of `KHC_(2)O_(4)` (potassium acid oxalate) required to reduce 100 mL of 0.02 M `KMnO_(4)` in acidic medium is x g and to neutralise 100 mL of
Last Answer : If mass of `KHC_(2)O_(4)` (potassium acid oxalate) required to reduce 100 mL of 0.02 M `KMnO_(4)` in acidic ... y is 1g D. If x is 11g then y is 5.5g
Description : In respect to Lidocaine 2% with 1:100000 vasoconstrictor, A. The toxic threshold is 22ml B. 8.8 ml is the maximum you can give in one session
Last Answer : A. The toxic threshold is 22ml
Description : Your patient has fainted, the signs are, blanched face, weak pulse, moist skin, shallow respiration; your first management is: A. 1 ml adrenaline subcutaneously B. Mouth to mouth respiration C. Nitro glycerine sub lingually D. Recumbent position; supine
Last Answer : D. Recumbent position; supine
Description : Water flow to a terminal 3 mm diameter and has an average speed of 2 m/s. What is the rate of flow in cubic meter/mm? a. 0.0001m³/min b. 0.076 m³/min c. 0.085 m³/min d. 0.097 m³/min
Last Answer : 0.085 m³/min
Description : The normal PAH clearance for a surface area of 1.73 sqm. is (A) 200 ml/min (B) 300 ml/min (C) 400 ml/min (D) 574 ml/min
Description : Inulin clearance in an average adult man is about (A) 54 ml/min (B) 75 ml/min (C) 110 ml/min (D) 130 ml/min
Description : Average creatinine clearance in an adult man is about (A) 54 ml/min (B) 75 ml/min (C) 110 ml/min (D) 130 ml/min
Last Answer : Answer : C
Description : Maximum urea clearance is (A) 54 ml/min (B) 75 ml/min (C) 110 ml/min (D) 130 ml/min
Last Answer : Answer : B
Description : Standard urea clearance is (A) 54 ml/min (B) 75 ml/min (C) 110 ml/min (D) 130 ml/min
Last Answer : Answer : A
Description : 60-year-old patient with creatinine clearance 50 ml/min has to be treated with gentamicin. His daily dose of gentamicin should be reduced to the following percentage of the usual adult dose: A. 70% B. 50% C. 40% D. 30%
Last Answer : B. 50%
Description : A 60-year-old patient with creatinine clearance 50 ml/min has to be treated with gentamicin. His daily dose of gentamicin should be reduced to the following percentage of the usual adult dose: A. 70% B. 50% C. 40% D. 30%
Description : It is desired to concentrate a 20% salt solution (20 kg of salt in 100 kg of solution) to a 30% salt solution in an evaporator. Consider a feed of 300 kg/min at 30°C. The boiling point of the solution is 110°C, the latent heat of ... 3.06 10 5 (B) 6.12 10 5 (C) 7.24 10 5 (D) 9.08 10
Last Answer : (A) 3.06 × 10
Description : . The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line). (A) L/mG (B) G/mL (C) mL/G (D) LG/m
Last Answer : (A) L/mG
Description : A 0.22 M solution of lactic acid (pKa 3.9) was found to contain 0.20 M in the dissociated form and 0.02 M undissociated form, the pH of the solution is (A) 2.9 (B) 3.3 (C) 4.9 (D) 5.4
Description : The percentage of fluoride present in dental enamel is (A) 0.01–0.02 (B) 0.05–0.10 (C) 0.15–0.20 (D) 0.20–0.40
Description : If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain? Plant → Mice → Snake → Peacock (a) 0.02 J (b) 0.002 J (c) 0.2 J (d) 0.0002 J
Last Answer : (a) 0.02 J
Description : Find the susceptibility when the curie constant is 0.2 and the difference in critical temperature and paramagnetic curie temperature is 0.01. a) 2 b) 20 c) 0.02 d) 200
Last Answer : b) 20
Description : A galvanometer with 20 ohms coil resistence has a full-scale deflection of 10 mA. A 0.02 ohm is placed across the meter to increase its rating capacity. What is the new full scale current for the meter?
Last Answer : False.
Description : For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of h2 /ky .Cz is around (A) 0.60 (B) 0.24 (C) 1 (D) 0.72
Last Answer : (C) 1
Description : The advantage of the silicone in soft relining material over ….. rubber is, A. Retains high flow B. Prevents the colonization of Candida albicans C. Resilient in long run D. Better bond strength
Last Answer : C. Resilient in long run
Description : In regard to indirect compared to direct wax technique, what characteristics must the wax have:** A. Low temperature solidifying point B. Hard in room temperature C. Higher flow in room temperature
Last Answer : B. Hard in room temperature
Description : 02. The separation of flow occurs when the hydrodynamic boundary layer thickness is reduced to zero. A) Agree B) Disagree
Last Answer : A
Description : 02. A flow in which each liquid particle does not have a definite path and the paths of individual particles also cross each other is called turbulent flow. A) Agree B) Disagree
Description : What is the approximate voltage per cell produced by the nickel-iron (Edison) battery? A. 0.85 volts B. 1.35 volts C. 2.20 volts D. 6.05 volts
Last Answer : Answer: B
Description : For treating the patient with congestive heart failure (CHF), which of the following dosages of dopamine is selected for its positive inotropic effects? (a) 2.0 mg/kg/min (b) 5–10 mg/kg/min (c) 10–20 mg/kg/min (d) 40 mg/kg/min (e) 40 mg/kg/min
Last Answer : Ans: B
Description : Which of the following procedures will not achieve sterilization: A. Hot air at 160ºC for 90mins B. Boiling water at 100ºC for 2 hours C. Autoclave at 121ºC under 15psi for 20 mins D. Dry heat at 177ºC for 60mins E. All of the above will achieve sterilisation
Last Answer : B. Boiling water at 100ºC for 2 hours
Description : A 12 years-old girl complains of sore mouth, she has painful cervical lymphadenitis and a temperature of 39°c, oral examination shows numerous yellow grey lesions. What is the MOST LIKELY ... mentor hombres mas de 20 años en labios C. Herpetic gingivostomatitis D. Stevens-Johnson syndrome
Last Answer : C. Herpetic gingivostomatitis
Description : The dimensions of rate constant for reaction 3A → B are (l/gm mole)/min. Therefore the reaction order is (A) 0 (B) 1 (C) 2 (D) 3
Last Answer : (C) 2
Description : In the case of malignant melanoma occurring intra orally, which of the following is true: a. Uncommon on the palate when occurs intra orally. b. Should not biopsied, as this will increase metasis ... incidence of oral melanoma is the same as those on the skin. e. Commonly occurs intra orally.
Last Answer : c. The 5 year survival rate is 20%.
Description : 18 years old female weighting 52Kg and 163cm tall. On dental examination erosion of teeth on the most of her lingual surfaces is clearly showing. Dietary history revealed a daily rate of 5000 to 7000 ... . Alcoholism B. Drug abuse C. Bulimia D. Excessive smoking E. Diabetic mellitus type I
Last Answer : C. Bulimia
Description : A patient on dicoumarol treatment needs extraction. Which of the following is MOST valuable in evaluating surgical risks: A. Clotting time B. Bleeding time C. Prothrombin time D. Sedimentation rate E. Complete blood cell count
Last Answer : C. Prothrombin time
Description : In the case of malignant melanoma occurring intra orally, which of the following is true: A. Uncommon on the palate when occurs intra orally B. Should not biopsied, as this will increase metasis ... The incidence of oral melanoma is the same as those on the skin E. Commonly occurs intra orally
Last Answer : C. The 5 years survival rate is 20%
Description : At what rate should chest cardiac compression be done in an adult:** A. 12 times a minute B. 24 times a minute C. 50 times a minute D. 80 times a minute
Last Answer : D. 80 times a minute
Description : The frequency of ultrasound wave is typically – (1) Above 20 kHz (2) Above 20,000 kHz (3) Below 20 kHz (4) Below 02 kHz
Last Answer : (3) Below 20 kHz Explanation: Ultrasound is a cyclic sound pressure wave with a frequency greater than the upper limit of the human hearing range. Ultrasound is thus not separated from " ... in healthy, young adults. Ultrasound devices operate with frequencies from 20 kHz up to several gigahertz.
Description : The frequency of ultrasound wave is typically (1) Above 20 kHz (2) Above 20,000 kHz (3) Below 20 kHz (4) Below 02 kHz
Last Answer : Above 20 kHz
Description : Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion: Fast decoupled load flow method gives approximate load flow solution because it uses several assumptions. Reason: Accuracy ... the correct reason for [a]. c) [a] is false and [r] is true.
Last Answer : c) [a] is false and [r] is true
Description : Looking for source and pricing for nipple O2 adaptor for Hand Held Nebulizers. Constant Flow 7-9 L/min plugs int O2 outlet.?
Last Answer : you can expect to pay over 40 dolalrs