1. Xerostomia is seen in all of the patients except:

A) Parkinsonism
B) Phenothiazine therapy
C) Patients receiving radiation therapy
D) Early diabetic patient therapy

Ans; A,
In parkinsonism excessive salivation is seen

2. In a denture wearing patient there is

A) No bone resorption
B) Bone formation
C) Independent of denture, there is bone resorption
D) Initial bone resorption followed by bone formation

Ans: C,
Bone resorption is a continuos and physiological in nature and is independent of denture wearing

3. Maxillary edentulous arch resorbs

A) upward and inward
B) upward abd outward
C) Downward and inward
D) Downward and outward

Ans : A

4. As age advances the mandibular ridge in the posterior region

A) Widens
B) Narrows
C) Remains same
D) None

Ans: A ,
Resorption in the posterior area is centripetal in the maxilla and centrifugal in the mandible. Hence the size of maxillary arch will decrease with resorption and the size of the mandibular arch will increase with resorption.

5. The impression material that can record tissues in functional form

A) Impression paste
B) Alginate
C) Plaster of paris
D) Fluid wax

Ans: A ,
Mucocompressive: Impression paste, compound wax
Mucostatic impressions: Plaster of paris, alginate

6. Which material is carried in a custom tray?

A) High fusing compound
B) Reversible hydrocolloid
C) Metallic oxide paste
D) Irreversible hydrocolloid

Ans; C,
Metallic oxide paste or rubber base materials are used in a custom tray during final impression.
Impression compound , reversible hydrocolloid and irreversible hydrocolloid are used in a stock tray for preliminary impression.

7. The thickness of the spacer used in special tray is

A) 2.5mm
B) 2.0mm
C) 1.5mm
D) 1.0mm

Ans. B,
Wax spacer is used to provide the space in the tray for the final impression material and allows the tray to be properly positioned in the mouth during border molding procedures
Base plate wax covers the basal seat area except for labial and buccal reflections and the posterior palatal seal area

8.Fovea palatine are situated in

A) Hard palate
B) Soft palate
C) At the junction of hard and soft palate
D) Their position is not fixed

Ans: B ,
The fovea palatine indentations near midline of the palate formed by coalescence of several mucous gland ducts.
Always on the soft palate 2mm behind the vibrating line

9. Broad palatal seal indicates

A) Type A palatal form
B) Type B palatal form
C) Type C palatal form
D) None of the above

Ans: A

10. All of the following landmarks are included while making a postdam for maxillary arch except

A) Pterygomaxillary notch
B) Hamular process
C) Fovea palatina
D) Vibrating line

Ans: B