Microbiology Revision #2

1. During inferior alveolar nerve block, the needle is located in:

Pterygomandibular space

Temporal space

Parotid space

Massetric space

Question 1 of 20

2. In Winters classification, Red line indicates:

Longer line difficult extraction

no effect

Longer line easy extraction

Short line easy extraction

Question 2 of 20

3. Which of the following movements are indicated for extraction of upper lateral incisor?

First palatal then labial

First labial then palatal

First distal then mesial

First mesial then distal

Question 3 of 20

4. Which injection anesthetizes the distobuccal aspect of the mandibular first molar?

Middle superior alveolar (MSA)

Posterior superior alveolar (PSA)

Anterior superior alveolar (ASA)

Inferior alveolar (IA)

Question 4 of 20

5. Oronasal intubation is not indicated in:

Parietal bone fractures

Le Fort II and III fractures

Le Fort I fractures

Mandibular fractures

Question 5 of 20

6. Distal part of the impacted third molar is covered by ascending ramus. What is the classification

Position B

Class II

Type I

Distoangular impaction

Question 6 of 20

7. Most upper third molar teeth luxate in a:

Distobuccal direction

Mesiolingual direction

Mesiobuccal direction

Distolirtgual direction

Question 7 of 20

8. Most Common complication of extraction:

Bleeding

Condensing osteitis

Alveolar osteitis

Infection

Question 8 of 20

9. Which of the following implants should be preferred for atrophied mandible with thin buccolingual width?

Screw implant 4.4 mm diameter

Bicortical implant 4.8 mm diameter

Cylindrical implant 4.4 mm diameter

Blade implant

Question 9 of 20

10. Post-operative muscle pain is caused by:

Ethosuximide

Ketamine

Suxamethonium

Propofol

Question 10 of 20

11. Which of the following agent(s) strongly holds the possibility of congenital malformation?

Tricyclic anti depressants

Sedative thalidomide

Dextroamphetamines (Anorexic agents)

Tobacco

Question 11 of 20

12. Patient is having life threatening systemic disease, comes under which class of ASA classification:

ASA 3

ASA 2

ASA 4

ASA 5

Question 12 of 20

13. An incisional biopsy is indicated for which of the following lesions?

0.5-cm papillary fibroma of the gingiva

2.0-cm area of fordyce disease of the cheek

3.0-cm area of leukoplakia of the soft palate

2.0-cm exostosis of the hard palate

Question 13 of 20

14. Visor osteotomy is used for:

Sinus augmentation

Mandibular prognathism

Maxillary Retrognathism

Ridge augmentation

Question 14 of 20

15. Pterygoid trismus is caused due to which nerve block:

Lingual

Inferior alveolar

Buccal

Posterior superior alveolar

Question 15 of 20

16. A posterior superior alveolar (PSA) nerve block will provide anesthesia for:

The second and third molars along with the mucoperiosteum of the palate

The first, second, and third molars but not the mucoperiosteum of the palate

The first and second molars along with the mucoperiosteum of the palate

The first, second, and third molars along with the mucoperiosteum of the palate

Question 16 of 20

17. Local anesthetics block nerve conduction by

Decreasing the membrane permeability to Na+ ions there by stabilizing nerve membrane

Depolarising the nerve membrane reducing threshold potential

Increasing the membrane permeability to K. ions and by depolarising nerve membrane

None of the above

Question 17 of 20

18. Postoperative hypotension is usually due to the effect of:

Submental

Orotracheal

Laryngeal mask airway

Transfusion reactions

Question 18 of 20

19. Most common cause of paralysis of Infraorbital Nerve is:

Lefort I

Lefort III

Single Zygomatic Arch #

Lefort II

Question 19 of 20

20. The preferred treatment of an giant cell lesion 2.5cm in diameter, in the mandibular anterior region is

Block excision

Wide radical excision

Curettage

Electro-cauterization

Question 20 of 20