Questions

Course

l Limitations of Radiography includes

a. Only two dimensions are shown on a single film.

b. Various states of pulpal and periradicular pathosis are indistinguishable in the x-ray shadow.

c. Lesions of the cortical bone are likely to go undetected.

d. a and b.

e. All of the above.

· Buccal object rule states that:

a. The object closest to the x-ray source moves the least.

b. Same Lingual Opposite Buccal.

c. The object far from the x-ray source moves the most.

d. All of the above.

· Objectives of Rubber Dam:

a. Protection

b. Facilitate and increase efficiency

c. Minimize cross-infection

d. Legal consideration

e. All of the above

· In giving Local anesthesia in Endodontics:

a. Maxilla Bone is less dense than mandible

b. Buccal infiltrations or supraperiosteal injections are sufficient in most cases to obtain pulpal anesthesia in maxilla and Mandible

c. Block anesthesia is more effective in Mandible.

d. a and c

e. all of the above.

· Mesiobuccal root of upper 1^st molar is innervated by :i

a. PSA nerve

b. MSA or ASA nerve

c. Infraorbital nerve

d. None of the above

· In inferior Alveolar Nerve Block

a. Pulpal anesthesia obtained from central incisor to third molar

b. Usually results in lingual nerve block as well

c. anesthetize buccal soft tissues of the molar region

d. all of the above.

e. a and b.

Fahd Abdulrahman Aljarbou