EFDA STUDY TEST ACTUAL 2025/2026 QUESTIONS & 100% CORRECT ANSWERS

EFDA STUDY TEST ACTUAL 2025/2026 QUESTIONS & 100% CORRECT ANSWERS A carver should be adapted at a __________ to the surface being carved. A. 45 degree angle B. 30 degree angle C. 60 degree angle D. 90 degree angle - Answer -D. 90 degree angle What is the function of the index finger in the modified pen grasp? A. Rest lightly in the side of the instrument B. Holds the instrument handle opposite the thumb C. It has no function in the grasp D. Rests on the incisal or occlusal surface during activation if the instrument - Answer -B. Holds the instrument handle opposite the thumb How does the EFDA accomplish activation (movement) of an instrument in order to avoid muscle cramping and fatigue?A. Move the hand, wrist, and forearm as one unit B. Moving the hand, wrist, and forearm as one unit, keeping a secure fulcrum C. Flexing the fingers back and forth D. Flexing the fingers back and forth, keeping a secure fulcrum - Answer -B. Moving the hand, wirst, and forearm as one unit , keeping a secure fulrcum For best results of most operative procedures, it is important for he Efda to maintain complete: A. Retraction B. Protection C. Isolation D. Contamination - Answer -C. Isolation What method of isolation is recommended for short periods of time and is the oldest method used for moisture control? A. Cotton roll B. Dri angles C. Rubber dam D. High speed evacuation - Answer -A. Cotton rolls From the statements listed below, which statement is NOT a disadvantage of using cotton roll isolation? A. They become saturated easilyB. They protect against aspiration C. They offer limited retraction if lips and cheeks D. They need changed frequently - Answer -B. They protect against aspiration What form of isolation is considered ideal in operative procedures? A. Cotton roll B. Dri angles C. Rubber dam D. High speed evacuation - Answer -C. Rubber dam An EFDA is attempting to isolate an operating field in the oral cavity. Which method listed below is considered ideal? A. Gauze squares B. Dri angles C. Cotton rolls D. Rubber dam - Answer -D. Rubber dam What is a disadvantage of rubber dam isolation? A. Time consuming B. Limited retraction if lips and cheeks C. Limited protection against aspiration D. Limited protection of the patient and operator - Answer -A. Time consumin