61 . The human body feels comfortable when the heat stored in the body is -
- A. Positive
- B. Negative
- C. Zero
- D. None
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কর্নফুলী গ্যাস ট্রান্সমিশন ও ডিস্ট্রিবিউশন কোম্পানি || টেকনিশিয়ান (10-05-2024)
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62 . The key limitation of field surveys in rural dental health program is -
- A. High availability of data
- B. Poor diagnostic accuracy
- C. Over qualification of local workers
- D. Urban bias in fluoride protocols
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৪৮ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (Dental Science) (18-07-2025) | 2025
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63 . The man _____ car was stolen reported it to the police.
- A. Who
- B. Whom
- C. Whose
- D. Which
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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64 . The most critical aspect in designing an oral health education program for rural communities is -
- A. Use of technical terminology
- B. Number of dentists involved
- C. Culture and literacy
- D. Complexity of biostatistics
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৪৮ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (Dental Science) (18-07-2025) | 2025
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65 . The most effective method of preventing infectious diseases is —
- A. Immunization
- B. Antibiotics
- C. Surgery
- D. Bed rest
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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66 . The phase of the cardiac cycle when ventricles contract is called ___
- A. Diastole
- B. Systole
- C. Isovolumetric relaxation
- D. Atrial contraction
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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67 . The primary goal of antenatal care is:
- A. Detect fetal abnormalities
- B. Ensure maternal and fetal well-being
- C. Schedule elective cesareans
- D. Reduce maternal weight
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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68 . The property that makes acrylic resin suitable for denture bases is -
- A. High thermal conductivity
- B. High solubility
- C. Light weight and easily moldable
- D. Needs no polymerization
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৪৮ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (Dental Science) (18-07-2025) | 2025
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69 . Time dependent flow is known as-
- A. Viscosity
- B. Creep
- C. Resilience
- D. Rheology
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৪৮ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (Dental Science) (18-07-2025) | 2025
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70 . Traction is primarily used to:
- A. Strengthen muscles
- B. Reduce muscle spasm and align bones
- C. Help digestion
- D. Improve circulation
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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71 . True adhesion occur in the following materials with tooth structure -
- A. Amalgam
- B. Gold inlay
- C. Polycarboxylate cement
- D. Titanium alloy
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৪৮ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (Dental Science) (18-07-2025) | 2025
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72 . Which vitamin is essential for blood clotting?
- A. Vitamin A
- B. Vitamin D
- C. Vitamin K
- D. Vitamin C
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The Ibn Sina Trust - Senior Staff Nurse (Male) (11-07-2025) | 2025
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73 . What does the principle of non maleficence mean in dental practice?
- A. Do no harm
- B. Always obey the patient
- C. Making documents confidential
- D. Avoid costly materials
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৪৮ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (Dental Science) (18-07-2025) | 2025
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74 . 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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75 . 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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