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هاي صيغة لخ للاسئلة الي ممكن الدكتورة تغيرها حتى تكون الاجوبة معكوسة

اكدت عليه الدكتورة بوكتها

هاي امسكيو للمحاضرة الطويلة

Lec1 1. Microbiology is the study of: A. Plants only B. Animals only C. Organisms too small to be seen without magnification D. Human cells only ✅ Answer: C ⸻ 2. Which of the following is NOT considered a microorganism? A. Bacteria B. Viruses C. Fungi D. Human beings ✅ Answer: D ⸻ 3. Which microorganism is classified as a prokaryote? A. Fungi B. Protozoa C. Bacteria D. Algae ✅ Answer: C ⸻ 4. Eukaryotic cells contain: A. Peptidoglycan B. Membrane-bound organelles C. Nucleoid D. Mesosomes ✅ Answer: B ⸻ 5. Which structure is present in both prokaryotic and eukaryotic cells? A. Nucleus B. Mitochondria C. Ribosomes D. Golgi apparatus ✅ Answer: C ⸻ 6. The DNA of a prokaryotic cell is located in: A. Nucleus B. Mitochondria C. Nucleoid D. Lysosome ✅ Answer: C ⸻ 7. The unit commonly used to measure bacteria is: A. Millimeter B. Nanometer C. Micrometer (µm) D. Centimeter ✅ Answer: C ⸻ 8. Cocci are bacteria that are: A. Rod-shaped B. Spiral-shaped C. Comma-shaped D. Spherical-shaped ✅ Answer: D ⸻ 9. Rod-shaped bacteria are called: A. Cocci B. Bacilli C. Spirilla D. Vibrios ✅ Answer: B ⸻ 10. Comma-shaped bacteria are known as: A. Bacilli B. Cocci C. Vibrios D. Spirochetes ✅ Answer: C ⸻ 11. Chains of cocci are called: A. Staphylococci B. Diplococci C. Streptococci D. Tetrads ✅ Answer: C ⸻ 12. Clusters of cocci are called: A. Diplococci B. Tetrads C. Streptococci D. Staphylococci ✅ Answer: D ⸻ 13. The major component responsible for bacterial cell wall rigidity is: A. Lipopolysaccharide B. Teichoic acid C. Peptidoglycan D. Capsule ✅ Answer: C ⸻ 14. Peptidoglycan consists of alternating units of: A. RNA and DNA B. NAG and NAM C. Protein and lipid D. Glucose and fructose ✅ Answer: B ⸻ 15. Gram-positive bacteria have: A. Thin peptidoglycan layer B. No cell wall C. Thick peptidoglycan layer D. Outer membrane only ✅ Answer: C ⸻ 16. Teichoic acids are characteristic of: A. Gram-negative bacteria B. Gram-positive bacteria C. Fungi D. Viruses ✅ Answer: B ⸻ 17. Lipopolysaccharide (LPS) is found in: A. Gram-positive bacteria B. Viruses C. Gram-negative bacteria D. Fungi ✅ Answer: C ⸻ 18. The plasma membrane functions mainly as: A. Protein synthesis site B. Semi-permeable barrier C. DNA storage site D. Cell wall synthesis site ✅ Answer: B ⸻ 19. Ribosomes are responsible for: A. Respiration B. Cell division C. Protein synthesis D. Motility ✅ Answer: C ⸻ 20. Mesosomes are associated with: A. Protein synthesis B. Respiration and cell division C. Capsule formation D. Sporulation only ✅ Answer: B ⸻ 21. Plasmids are: A. Essential chromosomes B. Extra-chromosomal DNA elements C. Ribosomes D. Cell wall components ✅ Answer: B ⸻ 22. Which bacterial structure inhibits phagocytosis? A. Flagella B. Pili C. Capsule D. Ribosome ✅ Answer: C ⸻ 23. The organ of bacterial locomotion is: A. Capsule B. Flagellum C. Cell wall D. Ribosome ✅ Answer: B ⸻ 24. Sex pili are involved in: A. Respiration B. Sporulation C. Conjugation D. Protein synthesis ✅ Answer: C ⸻ 25. Endospores are highly resistant to: A. Heat only B. Radiation only C. Drying only D. Heat, radiation, and drying ✅ Answer: D ⸻ Bonus High-Yield MCQ Which substance contributes to the heat resistance of bacterial endospores? A. Teichoic acid B. Flagellin C. Dipicolinic acid D. Lipopolysaccharide ✅ Answer: C

هاي ملخص وامسكيو شامل لمادة دكتورة لقاء

Lec1 Streptococci 0.7-0.9 diameter Catalase(-) Gram(+) Lec3 Staphylococci gram (+) Staphylococcai : catalase (+) Coagulates(+) Oxidase (-) Lec4 Staphylococcus (gram +) Catalase staphylococci (+) all Coagulates:aureus +/ eip&saprp (-) Dnaase :aureus + هذا ملخص للاشارات

هم نفس شي من هذا برنامج تحفظو

ملخص (فصل الثاني) مايكرو كلها و بيها 80 امسيكو امتحان تفاعلي

من امسيكوات الي دزوها احفظو ملف و افتحو من برنامج

Instruments I & II 1. Most common intraoral blade: A. 10 B. 11 C. 12 D. 15 ✅ 2. Blade 11 is used for: A. Skin incision B. Stab incision ✅ C. Suturing D. Retraction 3. Blade 12 is: A. Straight B. Hooked ✅ C. Round D. Flat 4. Most common periosteal elevator: A. Coupland B. Howarth ✅ C. Cryer D. Warwick 5. Broad end of Howarth is used for: A. Suturing B. Reflection of periosteum ✅ C. Bone cutting D. Retraction 6. Mitchell trimmer is used around: A. Salivary glands B. Unerupted teeth ✅ C. TMJ D. Tongue 7. Hemostat primarily controls: A. Bone B. Bleeding ✅ C. Sutures D. Saliva 8. Hemostat may also be used to: A. Remove teeth B. Evacuate pus ✅ C. Retract tongue D. Smooth bone 9. Tissue forceps are mainly used to: A. Cut bone B. Hold tissues ✅ C. Irrigate D. Suction 10. Allis forceps should be used: A. Roughly B. Gently ✅ C. Never D. With mallet 11. Bone nibbler is another name for: A. Osteotome B. Rongeur ✅ C. Elevator D. Curette 12. Osteotome is: A. Monobeveled B. Bibeveled ✅ C. Round D. Serrated 13. Chisel and mallet are commonly used under: A. LA only B. GA ✅ C. Sedation only D. No anesthesia 14. Carbide burs cut bone: A. Less efficiently B. More efficiently ✅ C. Same as steel D. Never 15. Bone file is used for: A. Bone removal B. Bone smoothing ✅ C. Suturing D. Irrigation 16. Needle holder beaks are: A. Parallel grooved B. Crosshatched ✅ C. Smooth D. Rounded 17. Most common oral suture size: A. 0 B. 1/0 C. 3/0 ✅ D. 8/0 18. Catgut is: A. Non-resorbable B. Resorbable ✅ C. Metallic D. Synthetic only 19. Kilner retractor is used for: A. Tongue B. Cheek ✅ C. Bone D. Sutures 20. Irrigation needle should be: A. Sharp B. Blunt 18 gauge ✅ C. 25 gauge D. Cutting type وهاي للاخيرات

1. Exodontia is: A. Surgical removal of bone B. Painless removal of tooth with minimal trauma C. Root canal treatment D. Gingivectomy Answer: B 2. Most common indication for extraction: A. Tumor B. Orthodontics C. Severe caries D. Trauma Answer: C 3. Forceps extraction is: A. Trans-alveolar B. Surgical extraction C. Intra-alveolar extraction D. Open extraction Answer: C 4. Surgical extraction requires: A. Root canal B. Bone removal and flap reflection C. Crown preparation D. Splinting Answer: B 5. Severe mobility due to periodontal disease indicates: A. Observation B. Extraction C. Bleaching D. Scaling only Answer: B 6. Which is NOT an apical pathology? A. Granuloma B. Cyst C. Abscess D. Gingivitis Answer: D 7. Preventive extraction is usually done during: A. Permanent dentition B. Mixed dentition C. Edentulous stage D. Adulthood only Answer: B 8. Impacted teeth may cause: A. Crowding B. Pericoronitis C. Cyst formation D. All of the above Answer: D 9. Supernumerary teeth may: A. Prevent eruption B. Cause malocclusion C. Cause cysts D. All of the above Answer: D 10. A tooth in fracture line is extracted if: A. Assists healing B. Interferes with reduction C. Is asymptomatic only D. None Answer: B 11. Osteoradionecrosis is associated with: A. Chemotherapy B. Radiotherapy C. Hypertension D. Trauma only Answer: B 12. Focal sepsis is often detected by: A. Percussion only B. Radiograph C. Vitality test only D. Mobility Answer: B 13. Acute uncontrolled infection is: A. Absolute indication B. Local contraindication C. Systemic contraindication D. None Answer: B 14. Previous radiotherapy causes: A. Hypervascularity B. Osteoradionecrosis risk C. Faster healing D. Increased saliva Answer: B 15. Which is systemic contraindication? A. Pregnancy B. Hypertension C. Hemophilia D. All of the above Answer: D 16. Pre-extraction evaluation includes: A. Clinical examination B. Radiographic examination C. Both D. Neither Answer: C 17. Mobility assessment is part of: A. General evaluation B. Local evaluation C. Radiology D. Blood tests Answer: B 18. Impacted third molar may damage: A. Inferior alveolar nerve B. Optic nerve C. Facial artery only D. Vagus nerve Answer: A 19. Oro-antral communication involves: A. Mandibular canal B. Nasal septum C. Maxillary sinus D. Tongue Answer: C 20. Full-mouth clearance is mainly for: A. Orthodontics B. Prosthetic planning C. Endodontics D. Trauma management Answer: B هاي امسكيو لكل المحاضرة

هاي ملخص بالزيادة مال محاصرة ال٢

Pre-Extraction Evaluation Clinical Evaluation General Medical history. General health. Oral hygiene. Gingival condition. Local Tooth mobility. Adjacent structures. Accessibility. Tooth position. Radiographic Evaluation Needed when: Difficult extraction anticipated. Retained roots. Impacted teeth. Surgical extraction planned. Relation to maxillary sinus. Trauma. Suspected pathology. Possible Complications Predicted by X-ray Inferior alveolar nerve injury. Oro-antral communication. Root displacement into sinus. Tuberosity fracture. Missed pathology.