181 . What informed consent is legally required in dentistry?
- A. Only the dentist's signature
- B. A written agreement with short explanation
- C. Explanation of risk, benefits and alternative before treatment
- D. Verbal approval after treatment
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৪৮ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (Dental Science) (18-07-2025) | 2025
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182 . What is an appropriate approach for managing deep caries close to pulp?
- A. mmediate pulp capping
- B. Complete caries removal and direct pulp capping
- C. Indirect pulp capping
- D. Pulpectomy
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৪৮ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (Dental Science) (18-07-2025) | 2025
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183 . What is ankylosis?
- A. Joint stiffness or fusion
- B. Muscle wasting
- C. Bone infection
- D. Ligament tearing
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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184 . What is the common cause of tooth sensitivity after restoration?
- A. Use of high-speed handpiece with less irrigation
- B. Overuse of fluoride
- C. Occlusial adjustment
- D. Adequate irrigation in etching
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৪৮ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (Dental Science) (18-07-2025) | 2025
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185 . What is the correct position of the patient for making an occupied bed?
- A. Lying on back
- B. Sitting upright
- C. Turned to one side
- D. Prone
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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186 . What is the critical post operative instruction for a patient with new restoration
- A. Avoid eating for 24 hours
- B. Use a soft bristled tooth brush
- C. Avoid chewing on the restoration until anesthesia wears off
- D. Rinse with a strong alcoholic mouth wash immediately
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৪৮ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (Dental Science) (18-07-2025) | 2025
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187 . What is the most reliable indicator of adequate tissue perfusion in a critically ill patient?
- A. Capillary refill
- B. Urine output
- C. Skin color
- D. Heart rate
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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188 . What is the normal range for serum potassium in adults?
- A. 2.5-3.5 mmol/L
- B. 3.5-5.0 mmol/L
- C. 4.5-6.5 mmol/L
- D. 3.5-7.0 mmol/L
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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189 . What is the primary mechanism by which fluoride prevents dental caries?
- A. By increasing enamel porosity
- B. By enhancing bacterial growth
- C. By removing plague completely
- D. By promoting remineralization and inhibiting de mineralization
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৪৮ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (Dental Science) (18-07-2025) | 2025
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190 . What is the purpose of a surgical safety checklist?
- A. To ensure all instruments are counted
- B. To reduce errors and improve infection prevention
- C. To document anesthesia administration
- D. To track surgical team attendance
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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191 . What is the purpose of oral care?
- A. Prevent tooth decay only
- B. Reduce saliva production
- C. Prevent infection and maintain oral hygiene
- D. Make the patient comfortable
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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192 . When should a patient follow up with the surgeon after discharge?
- A. Every 5 hours
- B. In 1-2 weeks
- C. After 6 months
- D. Only if problems occur
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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193 . Which behavior can hinder effective communication?
- A. Giving undivided attention
- B. Interrupting frequently
- C. Nodding to show understanding
- D. Using open-ended questions
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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194 . Which behavior supports effective communication?
- A. Interrupting
- B. Using jargon
- C. Giving undivided attention
- D. Ignoring non-verbal cues
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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195 . Which bone cell is responsible for bone resorption?
- A. Osteoblast
- B. Osteocyte
- C. Chondrocyte
- D. Osteoclast
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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